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-rw-r--r--drivers/gpio/Kconfig7
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/gpio-ich.c79
-rw-r--r--drivers/gpio/gpio-twl6040.c137
-rw-r--r--drivers/input/misc/twl4030-vibra.c18
-rw-r--r--drivers/input/touchscreen/88pm860x-ts.c127
-rw-r--r--drivers/leds/leds-88pm860x.c205
-rw-r--r--drivers/mfd/88pm860x-core.c805
-rw-r--r--drivers/mfd/88pm860x-i2c.c174
-rw-r--r--drivers/mfd/Kconfig75
-rw-r--r--drivers/mfd/Makefile12
-rw-r--r--drivers/mfd/ab3100-core.c1
-rw-r--r--drivers/mfd/ab8500-core.c37
-rw-r--r--drivers/mfd/anatop-mfd.c124
-rw-r--r--drivers/mfd/arizona-irq.c56
-rw-r--r--drivers/mfd/da9055-core.c423
-rw-r--r--drivers/mfd/da9055-i2c.c93
-rw-r--r--drivers/mfd/db8500-prcmu.c47
-rw-r--r--drivers/mfd/lp8788-irq.c198
-rw-r--r--drivers/mfd/lp8788.c245
-rw-r--r--drivers/mfd/lpc_ich.c43
-rw-r--r--drivers/mfd/max8907.c351
-rw-r--r--drivers/mfd/max8925-core.c427
-rw-r--r--drivers/mfd/mc13xxx-core.c1
-rw-r--r--drivers/mfd/omap-usb-host.c238
-rw-r--r--drivers/mfd/omap-usb-tll.c471
-rw-r--r--drivers/mfd/palmas.c149
-rw-r--r--drivers/mfd/rc5t583-irq.c2
-rw-r--r--drivers/mfd/rc5t583.c2
-rw-r--r--drivers/mfd/smsc-ece1099.c113
-rw-r--r--drivers/mfd/syscon.c176
-rw-r--r--drivers/mfd/tc3589x.c112
-rw-r--r--drivers/mfd/tps65090.c2
-rw-r--r--drivers/mfd/tps65217.c3
-rw-r--r--drivers/mfd/tps6586x.c19
-rw-r--r--drivers/mfd/tps65910.c32
-rw-r--r--drivers/mfd/twl-core.c156
-rw-r--r--drivers/mfd/twl4030-audio.c105
-rw-r--r--drivers/mfd/twl6040-core.c17
-rw-r--r--drivers/mfd/wm5110-tables.c96
-rw-r--r--drivers/mfd/wm831x-core.c66
-rw-r--r--drivers/mfd/wm8994-core.c2
-rw-r--r--drivers/mfd/wm8994-regmap.c2
-rw-r--r--drivers/pwm/Kconfig9
-rw-r--r--drivers/pwm/Makefile1
-rw-r--r--drivers/pwm/pwm-twl6030.c (renamed from drivers/mfd/twl6030-pwm.c)119
-rw-r--r--drivers/regulator/88pm8607.c136
-rw-r--r--drivers/regulator/Kconfig2
-rw-r--r--drivers/regulator/ab3100.c1
-rw-r--r--drivers/regulator/anatop-regulator.c31
-rw-r--r--drivers/regulator/max8925-regulator.c35
-rw-r--r--drivers/regulator/palmas-regulator.c127
-rw-r--r--drivers/regulator/wm831x-dcdc.c12
-rw-r--r--drivers/regulator/wm831x-isink.c4
-rw-r--r--drivers/regulator/wm831x-ldo.c12
-rw-r--r--drivers/rtc/rtc-88pm860x.c43
-rw-r--r--drivers/video/backlight/88pm860x_bl.c146
-rw-r--r--drivers/video/backlight/Kconfig7
-rw-r--r--drivers/video/backlight/Makefile1
-rw-r--r--drivers/video/backlight/max8925_bl.c79
-rw-r--r--drivers/video/backlight/tps65217_bl.c342
-rw-r--r--drivers/watchdog/iTCO_wdt.c1
62 files changed, 5008 insertions, 1549 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 8382dc832929..aa73ef3233b8 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -409,6 +409,13 @@ config GPIO_TWL4030
Say yes here to access the GPIO signals of various multi-function
power management chips from Texas Instruments.
+config GPIO_TWL6040
+ tristate "TWL6040 GPO"
+ depends on TWL6040_CORE
+ help
+ Say yes here to access the GPO signals of twl6040
+ audio chip from Texas Instruments.
+
config GPIO_WM831X
tristate "WM831x GPIOs"
depends on MFD_WM831X
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 0ffaa8423e87..b2c109d1303d 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_GPIO_TPS6586X) += gpio-tps6586x.o
obj-$(CONFIG_GPIO_TPS65910) += gpio-tps65910.o
obj-$(CONFIG_GPIO_TPS65912) += gpio-tps65912.o
obj-$(CONFIG_GPIO_TWL4030) += gpio-twl4030.o
+obj-$(CONFIG_GPIO_TWL6040) += gpio-twl6040.o
obj-$(CONFIG_GPIO_UCB1400) += gpio-ucb1400.o
obj-$(CONFIG_GPIO_VR41XX) += gpio-vr41xx.o
obj-$(CONFIG_GPIO_VT8500) += gpio-vt8500.o
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index b7c06517403d..d4d617966696 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -49,6 +49,10 @@ static const u8 ichx_regs[3][3] = {
{0x0c, 0x38, 0x48}, /* LVL[1-3] offsets */
};
+static const u8 ichx_reglen[3] = {
+ 0x30, 0x10, 0x10,
+};
+
#define ICHX_WRITE(val, reg, base_res) outl(val, (reg) + (base_res)->start)
#define ICHX_READ(reg, base_res) inl((reg) + (base_res)->start)
@@ -75,6 +79,7 @@ static struct {
struct resource *pm_base; /* Power Mangagment IO base */
struct ichx_desc *desc; /* Pointer to chipset-specific description */
u32 orig_gpio_ctrl; /* Orig CTRL value, used to restore on exit */
+ u8 use_gpio; /* Which GPIO groups are usable */
} ichx_priv;
static int modparam_gpiobase = -1; /* dynamic */
@@ -123,8 +128,16 @@ static int ichx_read_bit(int reg, unsigned nr)
return data & (1 << bit) ? 1 : 0;
}
+static int ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr)
+{
+ return (ichx_priv.use_gpio & (1 << (nr / 32))) ? 0 : -ENXIO;
+}
+
static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
{
+ if (!ichx_gpio_check_available(gpio, nr))
+ return -ENXIO;
+
/*
* Try setting pin as an input and verify it worked since many pins
* are output-only.
@@ -138,6 +151,9 @@ static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
int val)
{
+ if (!ichx_gpio_check_available(gpio, nr))
+ return -ENXIO;
+
/* Set GPIO output value. */
ichx_write_bit(GPIO_LVL, nr, val, 0);
@@ -153,6 +169,9 @@ static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
static int ichx_gpio_get(struct gpio_chip *chip, unsigned nr)
{
+ if (!ichx_gpio_check_available(chip, nr))
+ return -ENXIO;
+
return ichx_read_bit(GPIO_LVL, nr);
}
@@ -161,6 +180,9 @@ static int ich6_gpio_get(struct gpio_chip *chip, unsigned nr)
unsigned long flags;
u32 data;
+ if (!ichx_gpio_check_available(chip, nr))
+ return -ENXIO;
+
/*
* GPI 0 - 15 need to be read from the power management registers on
* a ICH6/3100 bridge.
@@ -291,6 +313,46 @@ static struct ichx_desc intel5_desc = {
.ngpio = 76,
};
+static int __devinit ichx_gpio_request_regions(struct resource *res_base,
+ const char *name, u8 use_gpio)
+{
+ int i;
+
+ if (!res_base || !res_base->start || !res_base->end)
+ return -ENODEV;
+
+ for (i = 0; i < ARRAY_SIZE(ichx_regs[0]); i++) {
+ if (!(use_gpio & (1 << i)))
+ continue;
+ if (!request_region(res_base->start + ichx_regs[0][i],
+ ichx_reglen[i], name))
+ goto request_err;
+ }
+ return 0;
+
+request_err:
+ /* Clean up: release already requested regions, if any */
+ for (i--; i >= 0; i--) {
+ if (!(use_gpio & (1 << i)))
+ continue;
+ release_region(res_base->start + ichx_regs[0][i],
+ ichx_reglen[i]);
+ }
+ return -EBUSY;
+}
+
+static void ichx_gpio_release_regions(struct resource *res_base, u8 use_gpio)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ichx_regs[0]); i++) {
+ if (!(use_gpio & (1 << i)))
+ continue;
+ release_region(res_base->start + ichx_regs[0][i],
+ ichx_reglen[i]);
+ }
+}
+
static int __devinit ichx_gpio_probe(struct platform_device *pdev)
{
struct resource *res_base, *res_pm;
@@ -329,12 +391,11 @@ static int __devinit ichx_gpio_probe(struct platform_device *pdev)
}
res_base = platform_get_resource(pdev, IORESOURCE_IO, ICH_RES_GPIO);
- if (!res_base || !res_base->start || !res_base->end)
- return -ENODEV;
-
- if (!request_region(res_base->start, resource_size(res_base),
- pdev->name))
- return -EBUSY;
+ ichx_priv.use_gpio = ich_info->use_gpio;
+ err = ichx_gpio_request_regions(res_base, pdev->name,
+ ichx_priv.use_gpio);
+ if (err)
+ return err;
ichx_priv.gpio_base = res_base;
@@ -374,8 +435,7 @@ init:
return 0;
add_err:
- release_region(ichx_priv.gpio_base->start,
- resource_size(ichx_priv.gpio_base));
+ ichx_gpio_release_regions(ichx_priv.gpio_base, ichx_priv.use_gpio);
if (ichx_priv.pm_base)
release_region(ichx_priv.pm_base->start,
resource_size(ichx_priv.pm_base));
@@ -393,8 +453,7 @@ static int __devexit ichx_gpio_remove(struct platform_device *pdev)
return err;
}
- release_region(ichx_priv.gpio_base->start,
- resource_size(ichx_priv.gpio_base));
+ ichx_gpio_release_regions(ichx_priv.gpio_base, ichx_priv.use_gpio);
if (ichx_priv.pm_base)
release_region(ichx_priv.pm_base->start,
resource_size(ichx_priv.pm_base));
diff --git a/drivers/gpio/gpio-twl6040.c b/drivers/gpio/gpio-twl6040.c
new file mode 100644
index 000000000000..dd58e8b25043
--- /dev/null
+++ b/drivers/gpio/gpio-twl6040.c
@@ -0,0 +1,137 @@
+/*
+ * Access to GPOs on TWL6040 chip
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * Authors:
+ * Sergio Aguirre <saaguirre@ti.com>
+ * Peter Ujfalusi <peter.ujfalusi@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kthread.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+
+#include <linux/mfd/twl6040.h>
+
+static struct gpio_chip twl6040gpo_chip;
+
+static int twl6040gpo_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct twl6040 *twl6040 = dev_get_drvdata(chip->dev->parent);
+ int ret = 0;
+
+ ret = twl6040_reg_read(twl6040, TWL6040_REG_GPOCTL);
+ if (ret < 0)
+ return ret;
+
+ return (ret >> offset) & 1;
+}
+
+static int twl6040gpo_direction_out(struct gpio_chip *chip, unsigned offset,
+ int value)
+{
+ /* This only drives GPOs, and can't change direction */
+ return 0;
+}
+
+static void twl6040gpo_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ struct twl6040 *twl6040 = dev_get_drvdata(chip->dev->parent);
+ int ret;
+ u8 gpoctl;
+
+ ret = twl6040_reg_read(twl6040, TWL6040_REG_GPOCTL);
+ if (ret < 0)
+ return;
+
+ if (value)
+ gpoctl = ret | (1 << offset);
+ else
+ gpoctl = ret & ~(1 << offset);
+
+ twl6040_reg_write(twl6040, TWL6040_REG_GPOCTL, gpoctl);
+}
+
+static struct gpio_chip twl6040gpo_chip = {
+ .label = "twl6040",
+ .owner = THIS_MODULE,
+ .get = twl6040gpo_get,
+ .direction_output = twl6040gpo_direction_out,
+ .set = twl6040gpo_set,
+ .can_sleep = 1,
+};
+
+/*----------------------------------------------------------------------*/
+
+static int __devinit gpo_twl6040_probe(struct platform_device *pdev)
+{
+ struct twl6040_gpo_data *pdata = pdev->dev.platform_data;
+ struct device *twl6040_core_dev = pdev->dev.parent;
+ struct twl6040 *twl6040 = dev_get_drvdata(twl6040_core_dev);
+ int ret;
+
+ if (pdata)
+ twl6040gpo_chip.base = pdata->gpio_base;
+ else
+ twl6040gpo_chip.base = -1;
+
+ if (twl6040_get_revid(twl6040) < TWL6041_REV_ES2_0)
+ twl6040gpo_chip.ngpio = 3; /* twl6040 have 3 GPO */
+ else
+ twl6040gpo_chip.ngpio = 1; /* twl6041 have 1 GPO */
+
+ twl6040gpo_chip.dev = &pdev->dev;
+#ifdef CONFIG_OF_GPIO
+ twl6040gpo_chip.of_node = twl6040_core_dev->of_node;
+#endif
+
+ ret = gpiochip_add(&twl6040gpo_chip);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret);
+ twl6040gpo_chip.ngpio = 0;
+ }
+
+ return ret;
+}
+
+static int __devexit gpo_twl6040_remove(struct platform_device *pdev)
+{
+ return gpiochip_remove(&twl6040gpo_chip);
+}
+
+/* Note: this hardware lives inside an I2C-based multi-function device. */
+MODULE_ALIAS("platform:twl6040-gpo");
+
+static struct platform_driver gpo_twl6040_driver = {
+ .driver = {
+ .name = "twl6040-gpo",
+ .owner = THIS_MODULE,
+ },
+ .probe = gpo_twl6040_probe,
+ .remove = gpo_twl6040_remove,
+};
+
+module_platform_driver(gpo_twl6040_driver);
+
+MODULE_AUTHOR("Texas Instruments, Inc.");
+MODULE_DESCRIPTION("GPO interface for TWL6040");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
index fc0ed9b43424..2194a3c7236a 100644
--- a/drivers/input/misc/twl4030-vibra.c
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -26,6 +26,7 @@
#include <linux/module.h>
#include <linux/jiffies.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
#include <linux/workqueue.h>
#include <linux/i2c/twl.h>
#include <linux/mfd/twl4030-audio.h>
@@ -194,13 +195,26 @@ static int twl4030_vibra_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops,
twl4030_vibra_suspend, twl4030_vibra_resume);
+static bool twl4030_vibra_check_coexist(struct twl4030_vibra_data *pdata,
+ struct device_node *node)
+{
+ if (pdata && pdata->coexist)
+ return true;
+
+ if (of_find_node_by_name(node, "codec"))
+ return true;
+
+ return false;
+}
+
static int __devinit twl4030_vibra_probe(struct platform_device *pdev)
{
struct twl4030_vibra_data *pdata = pdev->dev.platform_data;
+ struct device_node *twl4030_core_node = pdev->dev.parent->of_node;
struct vibra_info *info;
int ret;
- if (!pdata) {
+ if (!pdata && !twl4030_core_node) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
@@ -210,7 +224,7 @@ static int __devinit twl4030_vibra_probe(struct platform_device *pdev)
return -ENOMEM;
info->dev = &pdev->dev;
- info->coexist = pdata->coexist;
+ info->coexist = twl4030_vibra_check_coexist(pdata, twl4030_core_node);
INIT_WORK(&info->play_work, vibra_play_work);
info->input_dev = input_allocate_device();
diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c
index 05f30b73c3c3..326218dbd6e6 100644
--- a/drivers/input/touchscreen/88pm860x-ts.c
+++ b/drivers/input/touchscreen/88pm860x-ts.c
@@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/input.h>
@@ -113,14 +114,69 @@ static void pm860x_touch_close(struct input_dev *dev)
pm860x_set_bits(touch->i2c, MEAS_EN3, data, 0);
}
+#ifdef CONFIG_OF
+static int __devinit pm860x_touch_dt_init(struct platform_device *pdev,
+ struct pm860x_chip *chip,
+ int *res_x)
+{
+ struct device_node *np = pdev->dev.parent->of_node;
+ struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+ : chip->companion;
+ int data, n, ret;
+ if (!np)
+ return -ENODEV;
+ np = of_find_node_by_name(np, "touch");
+ if (!np) {
+ dev_err(&pdev->dev, "Can't find touch node\n");
+ return -EINVAL;
+ }
+ /* set GPADC MISC1 register */
+ data = 0;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-prebias", &n))
+ data |= (n << 1) & PM8607_GPADC_PREBIAS_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-slot-cycle", &n))
+ data |= (n << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-off-scale", &n))
+ data |= (n << 5) & PM8607_GPADC_OFF_SCALE_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-sw-cal", &n))
+ data |= (n << 7) & PM8607_GPADC_SW_CAL_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set tsi prebias time */
+ if (!of_property_read_u32(np, "marvell,88pm860x-tsi-prebias", &data)) {
+ ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set prebias & prechg time of pen detect */
+ data = 0;
+ if (!of_property_read_u32(np, "marvell,88pm860x-pen-prebias", &n))
+ data |= n & PM8607_PD_PREBIAS_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-pen-prechg", &n))
+ data |= n & PM8607_PD_PRECHG_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ of_property_read_u32(np, "marvell,88pm860x-resistor-X", res_x);
+ return 0;
+}
+#else
+#define pm860x_touch_dt_init(x, y, z) (-1)
+#endif
+
static int __devinit pm860x_touch_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm860x_platform_data *pm860x_pdata = \
- pdev->dev.parent->platform_data;
- struct pm860x_touch_pdata *pdata = NULL;
+ struct pm860x_touch_pdata *pdata = pdev->dev.platform_data;
struct pm860x_touch *touch;
- int irq, ret;
+ struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+ : chip->companion;
+ int irq, ret, res_x = 0, data = 0;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -128,16 +184,55 @@ static int __devinit pm860x_touch_probe(struct platform_device *pdev)
return -EINVAL;
}
- if (!pm860x_pdata) {
- dev_err(&pdev->dev, "platform data is missing\n");
- return -EINVAL;
- }
-
- pdata = pm860x_pdata->touch;
- if (!pdata) {
- dev_err(&pdev->dev, "touchscreen data is missing\n");
- return -EINVAL;
+ if (pm860x_touch_dt_init(pdev, chip, &res_x)) {
+ if (pdata) {
+ /* set GPADC MISC1 register */
+ data = 0;
+ data |= (pdata->gpadc_prebias << 1)
+ & PM8607_GPADC_PREBIAS_MASK;
+ data |= (pdata->slot_cycle << 3)
+ & PM8607_GPADC_SLOT_CYCLE_MASK;
+ data |= (pdata->off_scale << 5)
+ & PM8607_GPADC_OFF_SCALE_MASK;
+ data |= (pdata->sw_cal << 7)
+ & PM8607_GPADC_SW_CAL_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c,
+ PM8607_GPADC_MISC1, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set tsi prebias time */
+ if (pdata->tsi_prebias) {
+ data = pdata->tsi_prebias;
+ ret = pm860x_reg_write(i2c,
+ PM8607_TSI_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set prebias & prechg time of pen detect */
+ data = 0;
+ data |= pdata->pen_prebias
+ & PM8607_PD_PREBIAS_MASK;
+ data |= (pdata->pen_prechg << 5)
+ & PM8607_PD_PRECHG_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c,
+ PM8607_PD_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ res_x = pdata->res_x;
+ } else {
+ dev_err(&pdev->dev, "failed to get platform data\n");
+ return -EINVAL;
+ }
}
+ /* enable GPADC */
+ ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1, PM8607_GPADC_EN,
+ PM8607_GPADC_EN);
+ if (ret)
+ return ret;
touch = kzalloc(sizeof(struct pm860x_touch), GFP_KERNEL);
if (touch == NULL)
@@ -158,9 +253,9 @@ static int __devinit pm860x_touch_probe(struct platform_device *pdev)
touch->idev->open = pm860x_touch_open;
touch->idev->close = pm860x_touch_close;
touch->chip = chip;
- touch->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
- touch->irq = irq + chip->irq_base;
- touch->res_x = pdata->res_x;
+ touch->i2c = i2c;
+ touch->irq = irq;
+ touch->res_x = res_x;
input_set_drvdata(touch->idev, touch);
ret = request_threaded_irq(touch->irq, NULL, pm860x_touch_handler,
diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index 61897cfeeda6..b7e8cc0957fc 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/leds.h>
@@ -20,18 +21,12 @@
#include <linux/mfd/88pm860x.h>
#include <linux/module.h>
-#define LED_PWM_SHIFT (3)
#define LED_PWM_MASK (0x1F)
#define LED_CURRENT_MASK (0x07 << 5)
-#define LED_BLINK_ON_MASK (0x07)
#define LED_BLINK_MASK (0x7F)
-#define LED_BLINK_ON(x) ((x & 0x7) * 66 + 66)
-#define LED_BLINK_ON_MIN LED_BLINK_ON(0)
-#define LED_BLINK_ON_MAX LED_BLINK_ON(0x7)
#define LED_ON_CONTINUOUS (0x0F << 3)
-#define LED_TO_ON(x) ((x - 66) / 66)
#define LED1_BLINK_EN (1 << 1)
#define LED2_BLINK_EN (1 << 2)
@@ -49,85 +44,25 @@ struct pm860x_led {
unsigned char brightness;
unsigned char current_brightness;
- int blink_data;
- int blink_time;
- int blink_on;
- int blink_off;
+ int reg_control;
+ int reg_blink;
+ int blink_mask;
};
-/* return offset of color register */
-static inline int __led_off(int port)
-{
- int ret = -EINVAL;
-
- switch (port) {
- case PM8606_LED1_RED:
- case PM8606_LED1_GREEN:
- case PM8606_LED1_BLUE:
- ret = port - PM8606_LED1_RED + PM8606_RGB1B;
- break;
- case PM8606_LED2_RED:
- case PM8606_LED2_GREEN:
- case PM8606_LED2_BLUE:
- ret = port - PM8606_LED2_RED + PM8606_RGB2B;
- break;
- }
- return ret;
-}
-
-/* return offset of blink register */
-static inline int __blink_off(int port)
-{
- int ret = -EINVAL;
-
- switch (port) {
- case PM8606_LED1_RED:
- case PM8606_LED1_GREEN:
- case PM8606_LED1_BLUE:
- ret = PM8606_RGB1A;
- break;
- case PM8606_LED2_RED:
- case PM8606_LED2_GREEN:
- case PM8606_LED2_BLUE:
- ret = PM8606_RGB2A;
- break;
- }
- return ret;
-}
-
-static inline int __blink_ctl_mask(int port)
-{
- int ret = -EINVAL;
-
- switch (port) {
- case PM8606_LED1_RED:
- case PM8606_LED1_GREEN:
- case PM8606_LED1_BLUE:
- ret = LED1_BLINK_EN;
- break;
- case PM8606_LED2_RED:
- case PM8606_LED2_GREEN:
- case PM8606_LED2_BLUE:
- ret = LED2_BLINK_EN;
- break;
- }
- return ret;
-}
-
static int led_power_set(struct pm860x_chip *chip, int port, int on)
{
int ret = -EINVAL;
switch (port) {
- case PM8606_LED1_RED:
- case PM8606_LED1_GREEN:
- case PM8606_LED1_BLUE:
+ case 0:
+ case 1:
+ case 2:
ret = on ? pm8606_osc_enable(chip, RGB1_ENABLE) :
pm8606_osc_disable(chip, RGB1_ENABLE);
break;
- case PM8606_LED2_RED:
- case PM8606_LED2_GREEN:
- case PM8606_LED2_BLUE:
+ case 3:
+ case 4:
+ case 5:
ret = on ? pm8606_osc_enable(chip, RGB2_ENABLE) :
pm8606_osc_disable(chip, RGB2_ENABLE);
break;
@@ -141,7 +76,7 @@ static void pm860x_led_work(struct work_struct *work)
struct pm860x_led *led;
struct pm860x_chip *chip;
unsigned char buf[3];
- int mask, ret;
+ int ret;
led = container_of(work, struct pm860x_led, work);
chip = led->chip;
@@ -149,34 +84,34 @@ static void pm860x_led_work(struct work_struct *work)
if ((led->current_brightness == 0) && led->brightness) {
led_power_set(chip, led->port, 1);
if (led->iset) {
- pm860x_set_bits(led->i2c, __led_off(led->port),
+ pm860x_set_bits(led->i2c, led->reg_control,
LED_CURRENT_MASK, led->iset);
}
- pm860x_set_bits(led->i2c, __blink_off(led->port),
+ pm860x_set_bits(led->i2c, led->reg_blink,
LED_BLINK_MASK, LED_ON_CONTINUOUS);
- mask = __blink_ctl_mask(led->port);
- pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, mask);
+ pm860x_set_bits(led->i2c, PM8606_WLED3B, led->blink_mask,
+ led->blink_mask);
}
- pm860x_set_bits(led->i2c, __led_off(led->port), LED_PWM_MASK,
+ pm860x_set_bits(led->i2c, led->reg_control, LED_PWM_MASK,
led->brightness);
if (led->brightness == 0) {
- pm860x_bulk_read(led->i2c, __led_off(led->port), 3, buf);
+ pm860x_bulk_read(led->i2c, led->reg_control, 3, buf);
ret = buf[0] & LED_PWM_MASK;
ret |= buf[1] & LED_PWM_MASK;
ret |= buf[2] & LED_PWM_MASK;
if (ret == 0) {
/* unset current since no led is lighting */
- pm860x_set_bits(led->i2c, __led_off(led->port),
+ pm860x_set_bits(led->i2c, led->reg_control,
LED_CURRENT_MASK, 0);
- mask = __blink_ctl_mask(led->port);
- pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, 0);
+ pm860x_set_bits(led->i2c, PM8606_WLED3B,
+ led->blink_mask, 0);
led_power_set(chip, led->port, 0);
}
}
led->current_brightness = led->brightness;
dev_dbg(chip->dev, "Update LED. (reg:%d, brightness:%d)\n",
- __led_off(led->port), led->brightness);
+ led->reg_control, led->brightness);
mutex_unlock(&led->lock);
}
@@ -189,39 +124,92 @@ static void pm860x_led_set(struct led_classdev *cdev,
schedule_work(&data->work);
}
+#ifdef CONFIG_OF
+static int pm860x_led_dt_init(struct platform_device *pdev,
+ struct pm860x_led *data)
+{
+ struct device_node *nproot = pdev->dev.parent->of_node, *np;
+ int iset = 0;
+ if (!nproot)
+ return -ENODEV;
+ nproot = of_find_node_by_name(nproot, "leds");
+ if (!nproot) {
+ dev_err(&pdev->dev, "failed to find leds node\n");
+ return -ENODEV;
+ }
+ for_each_child_of_node(nproot, np) {
+ if (!of_node_cmp(np->name, data->name)) {
+ of_property_read_u32(np, "marvell,88pm860x-iset",
+ &iset);
+ data->iset = PM8606_LED_CURRENT(iset);
+ break;
+ }
+ }
+ return 0;
+}
+#else
+#define pm860x_led_dt_init(x, y) (-1)
+#endif
+
static int pm860x_led_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm860x_led_pdata *pdata;
+ struct pm860x_led_pdata *pdata = pdev->dev.platform_data;
struct pm860x_led *data;
struct resource *res;
- int ret;
-
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource!\n");
- return -EINVAL;
- }
-
- pdata = pdev->dev.platform_data;
- if (pdata == NULL) {
- dev_err(&pdev->dev, "No platform data!\n");
- return -EINVAL;
- }
+ int ret = 0;
data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_led), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
- strncpy(data->name, res->name, MFD_NAME_SIZE - 1);
+ res = platform_get_resource_byname(pdev, IORESOURCE_REG, "control");
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource for control\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_control = res->start;
+ res = platform_get_resource_byname(pdev, IORESOURCE_REG, "blink");
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource for blink\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_blink = res->start;
+ memset(data->name, 0, MFD_NAME_SIZE);
+ switch (pdev->id) {
+ case 0:
+ data->blink_mask = LED1_BLINK_EN;
+ sprintf(data->name, "led0-red");
+ break;
+ case 1:
+ data->blink_mask = LED1_BLINK_EN;
+ sprintf(data->name, "led0-green");
+ break;
+ case 2:
+ data->blink_mask = LED1_BLINK_EN;
+ sprintf(data->name, "led0-blue");
+ break;
+ case 3:
+ data->blink_mask = LED2_BLINK_EN;
+ sprintf(data->name, "led1-red");
+ break;
+ case 4:
+ data->blink_mask = LED2_BLINK_EN;
+ sprintf(data->name, "led1-green");
+ break;
+ case 5:
+ data->blink_mask = LED2_BLINK_EN;
+ sprintf(data->name, "led1-blue");
+ break;
+ }
dev_set_drvdata(&pdev->dev, data);
data->chip = chip;
data->i2c = (chip->id == CHIP_PM8606) ? chip->client : chip->companion;
- data->iset = pdata->iset;
- data->port = pdata->flags;
- if (data->port < 0) {
- dev_err(&pdev->dev, "check device failed\n");
- return -EINVAL;
- }
+ data->port = pdev->id;
+ if (pm860x_led_dt_init(pdev, data))
+ if (pdata)
+ data->iset = pdata->iset;
data->current_brightness = 0;
data->cdev.name = data->name;
@@ -236,6 +224,9 @@ static int pm860x_led_probe(struct platform_device *pdev)
}
pm860x_led_set(&data->cdev, 0);
return 0;
+out:
+ devm_kfree(&pdev->dev, data);
+ return ret;
}
static int pm860x_led_remove(struct platform_device *pdev)
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index b73f033b2c60..59d117e9fa31 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -11,50 +11,116 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
#include <linux/mfd/core.h>
#include <linux/mfd/88pm860x.h>
#include <linux/regulator/machine.h>
#define INT_STATUS_NUM 3
-static struct resource bk_resources[] __devinitdata = {
- {PM8606_BACKLIGHT1, PM8606_BACKLIGHT1, "backlight-0", IORESOURCE_IO,},
- {PM8606_BACKLIGHT2, PM8606_BACKLIGHT2, "backlight-1", IORESOURCE_IO,},
- {PM8606_BACKLIGHT3, PM8606_BACKLIGHT3, "backlight-2", IORESOURCE_IO,},
-};
-
-static struct resource led_resources[] __devinitdata = {
- {PM8606_LED1_RED, PM8606_LED1_RED, "led0-red", IORESOURCE_IO,},
- {PM8606_LED1_GREEN, PM8606_LED1_GREEN, "led0-green", IORESOURCE_IO,},
- {PM8606_LED1_BLUE, PM8606_LED1_BLUE, "led0-blue", IORESOURCE_IO,},
- {PM8606_LED2_RED, PM8606_LED2_RED, "led1-red", IORESOURCE_IO,},
- {PM8606_LED2_GREEN, PM8606_LED2_GREEN, "led1-green", IORESOURCE_IO,},
- {PM8606_LED2_BLUE, PM8606_LED2_BLUE, "led1-blue", IORESOURCE_IO,},
-};
-
-static struct resource regulator_resources[] __devinitdata = {
- {PM8607_ID_BUCK1, PM8607_ID_BUCK1, "buck-1", IORESOURCE_IO,},
- {PM8607_ID_BUCK2, PM8607_ID_BUCK2, "buck-2", IORESOURCE_IO,},
- {PM8607_ID_BUCK3, PM8607_ID_BUCK3, "buck-3", IORESOURCE_IO,},
- {PM8607_ID_LDO1, PM8607_ID_LDO1, "ldo-01", IORESOURCE_IO,},
- {PM8607_ID_LDO2, PM8607_ID_LDO2, "ldo-02", IORESOURCE_IO,},
- {PM8607_ID_LDO3, PM8607_ID_LDO3, "ldo-03", IORESOURCE_IO,},
- {PM8607_ID_LDO4, PM8607_ID_LDO4, "ldo-04", IORESOURCE_IO,},
- {PM8607_ID_LDO5, PM8607_ID_LDO5, "ldo-05", IORESOURCE_IO,},
- {PM8607_ID_LDO6, PM8607_ID_LDO6, "ldo-06", IORESOURCE_IO,},
- {PM8607_ID_LDO7, PM8607_ID_LDO7, "ldo-07", IORESOURCE_IO,},
- {PM8607_ID_LDO8, PM8607_ID_LDO8, "ldo-08", IORESOURCE_IO,},
- {PM8607_ID_LDO9, PM8607_ID_LDO9, "ldo-09", IORESOURCE_IO,},
- {PM8607_ID_LDO10, PM8607_ID_LDO10, "ldo-10", IORESOURCE_IO,},
- {PM8607_ID_LDO11, PM8607_ID_LDO11, "ldo-11", IORESOURCE_IO,},
- {PM8607_ID_LDO12, PM8607_ID_LDO12, "ldo-12", IORESOURCE_IO,},
- {PM8607_ID_LDO13, PM8607_ID_LDO13, "ldo-13", IORESOURCE_IO,},
- {PM8607_ID_LDO14, PM8607_ID_LDO14, "ldo-14", IORESOURCE_IO,},
- {PM8607_ID_LDO15, PM8607_ID_LDO15, "ldo-15", IORESOURCE_IO,},
+static struct resource bk0_resources[] __devinitdata = {
+ {2, 2, "duty cycle", IORESOURCE_REG, },
+ {3, 3, "always on", IORESOURCE_REG, },
+ {3, 3, "current", IORESOURCE_REG, },
+};
+static struct resource bk1_resources[] __devinitdata = {
+ {4, 4, "duty cycle", IORESOURCE_REG, },
+ {5, 5, "always on", IORESOURCE_REG, },
+ {5, 5, "current", IORESOURCE_REG, },
+};
+static struct resource bk2_resources[] __devinitdata = {
+ {6, 6, "duty cycle", IORESOURCE_REG, },
+ {7, 7, "always on", IORESOURCE_REG, },
+ {5, 5, "current", IORESOURCE_REG, },
+};
+
+static struct resource led0_resources[] __devinitdata = {
+ /* RGB1 Red LED */
+ {0xd, 0xd, "control", IORESOURCE_REG, },
+ {0xc, 0xc, "blink", IORESOURCE_REG, },
+};
+static struct resource led1_resources[] __devinitdata = {
+ /* RGB1 Green LED */
+ {0xe, 0xe, "control", IORESOURCE_REG, },
+ {0xc, 0xc, "blink", IORESOURCE_REG, },
+};
+static struct resource led2_resources[] __devinitdata = {
+ /* RGB1 Blue LED */
+ {0xf, 0xf, "control", IORESOURCE_REG, },
+ {0xc, 0xc, "blink", IORESOURCE_REG, },
+};
+static struct resource led3_resources[] __devinitdata = {
+ /* RGB2 Red LED */
+ {0x9, 0x9, "control", IORESOURCE_REG, },
+ {0x8, 0x8, "blink", IORESOURCE_REG, },
+};
+static struct resource led4_resources[] __devinitdata = {
+ /* RGB2 Green LED */
+ {0xa, 0xa, "control", IORESOURCE_REG, },
+ {0x8, 0x8, "blink", IORESOURCE_REG, },
+};
+static struct resource led5_resources[] __devinitdata = {
+ /* RGB2 Blue LED */
+ {0xb, 0xb, "control", IORESOURCE_REG, },
+ {0x8, 0x8, "blink", IORESOURCE_REG, },
+};
+
+static struct resource buck1_resources[] __devinitdata = {
+ {0x24, 0x24, "buck set", IORESOURCE_REG, },
+};
+static struct resource buck2_resources[] __devinitdata = {
+ {0x25, 0x25, "buck set", IORESOURCE_REG, },
+};
+static struct resource buck3_resources[] __devinitdata = {
+ {0x26, 0x26, "buck set", IORESOURCE_REG, },
+};
+static struct resource ldo1_resources[] __devinitdata = {
+ {0x10, 0x10, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo2_resources[] __devinitdata = {
+ {0x11, 0x11, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo3_resources[] __devinitdata = {
+ {0x12, 0x12, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo4_resources[] __devinitdata = {
+ {0x13, 0x13, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo5_resources[] __devinitdata = {
+ {0x14, 0x14, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo6_resources[] __devinitdata = {
+ {0x15, 0x15, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo7_resources[] __devinitdata = {
+ {0x16, 0x16, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo8_resources[] __devinitdata = {
+ {0x17, 0x17, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo9_resources[] __devinitdata = {
+ {0x18, 0x18, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo10_resources[] __devinitdata = {
+ {0x19, 0x19, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo12_resources[] __devinitdata = {
+ {0x1a, 0x1a, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo_vibrator_resources[] __devinitdata = {
+ {0x28, 0x28, "ldo set", IORESOURCE_REG, },
+};
+static struct resource ldo14_resources[] __devinitdata = {
+ {0x1b, 0x1b, "ldo set", IORESOURCE_REG, },
};
static struct resource touch_resources[] __devinitdata = {
@@ -90,48 +156,145 @@ static struct resource charger_resources[] __devinitdata = {
{PM8607_IRQ_VCHG, PM8607_IRQ_VCHG, "vchg voltage", IORESOURCE_IRQ,},
};
-static struct resource preg_resources[] __devinitdata = {
- {PM8606_ID_PREG, PM8606_ID_PREG, "preg", IORESOURCE_IO,},
-};
-
static struct resource rtc_resources[] __devinitdata = {
{PM8607_IRQ_RTC, PM8607_IRQ_RTC, "rtc", IORESOURCE_IRQ,},
};
-static struct mfd_cell bk_devs[] = {
- {"88pm860x-backlight", 0,},
- {"88pm860x-backlight", 1,},
- {"88pm860x-backlight", 2,},
-};
-
-static struct mfd_cell led_devs[] = {
- {"88pm860x-led", 0,},
- {"88pm860x-led", 1,},
- {"88pm860x-led", 2,},
- {"88pm860x-led", 3,},
- {"88pm860x-led", 4,},
- {"88pm860x-led", 5,},
-};
-
-static struct mfd_cell regulator_devs[] = {
- {"88pm860x-regulator", 0,},
- {"88pm860x-regulator", 1,},
- {"88pm860x-regulator", 2,},
- {"88pm860x-regulator", 3,},
- {"88pm860x-regulator", 4,},
- {"88pm860x-regulator", 5,},
- {"88pm860x-regulator", 6,},
- {"88pm860x-regulator", 7,},
- {"88pm860x-regulator", 8,},
- {"88pm860x-regulator", 9,},
- {"88pm860x-regulator", 10,},
- {"88pm860x-regulator", 11,},
- {"88pm860x-regulator", 12,},
- {"88pm860x-regulator", 13,},
- {"88pm860x-regulator", 14,},
- {"88pm860x-regulator", 15,},
- {"88pm860x-regulator", 16,},
- {"88pm860x-regulator", 17,},
+static struct mfd_cell bk_devs[] __devinitdata = {
+ {
+ .name = "88pm860x-backlight",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bk0_resources),
+ .resources = bk0_resources,
+ }, {
+ .name = "88pm860x-backlight",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(bk1_resources),
+ .resources = bk1_resources,
+ }, {
+ .name = "88pm860x-backlight",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(bk2_resources),
+ .resources = bk2_resources,
+ },
+};
+
+static struct mfd_cell led_devs[] __devinitdata = {
+ {
+ .name = "88pm860x-led",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(led0_resources),
+ .resources = led0_resources,
+ }, {
+ .name = "88pm860x-led",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(led1_resources),
+ .resources = led1_resources,
+ }, {
+ .name = "88pm860x-led",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(led2_resources),
+ .resources = led2_resources,
+ }, {
+ .name = "88pm860x-led",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(led3_resources),
+ .resources = led3_resources,
+ }, {
+ .name = "88pm860x-led",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(led4_resources),
+ .resources = led4_resources,
+ }, {
+ .name = "88pm860x-led",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(led5_resources),
+ .resources = led5_resources,
+ },
+};
+
+static struct mfd_cell reg_devs[] __devinitdata = {
+ {
+ .name = "88pm860x-regulator",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(buck1_resources),
+ .resources = buck1_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(buck2_resources),
+ .resources = buck2_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(buck3_resources),
+ .resources = buck3_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(ldo1_resources),
+ .resources = ldo1_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(ldo2_resources),
+ .resources = ldo2_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(ldo3_resources),
+ .resources = ldo3_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 6,
+ .num_resources = ARRAY_SIZE(ldo4_resources),
+ .resources = ldo4_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 7,
+ .num_resources = ARRAY_SIZE(ldo5_resources),
+ .resources = ldo5_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 8,
+ .num_resources = ARRAY_SIZE(ldo6_resources),
+ .resources = ldo6_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 9,
+ .num_resources = ARRAY_SIZE(ldo7_resources),
+ .resources = ldo7_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 10,
+ .num_resources = ARRAY_SIZE(ldo8_resources),
+ .resources = ldo8_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 11,
+ .num_resources = ARRAY_SIZE(ldo9_resources),
+ .resources = ldo9_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 12,
+ .num_resources = ARRAY_SIZE(ldo10_resources),
+ .resources = ldo10_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 13,
+ .num_resources = ARRAY_SIZE(ldo12_resources),
+ .resources = ldo12_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 14,
+ .num_resources = ARRAY_SIZE(ldo_vibrator_resources),
+ .resources = ldo_vibrator_resources,
+ }, {
+ .name = "88pm860x-regulator",
+ .id = 15,
+ .num_resources = ARRAY_SIZE(ldo14_resources),
+ .resources = ldo14_resources,
+ },
};
static struct mfd_cell touch_devs[] = {
@@ -360,15 +523,12 @@ static void pm860x_irq_sync_unlock(struct irq_data *data)
static void pm860x_irq_enable(struct irq_data *data)
{
- struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
- pm860x_irqs[data->irq - chip->irq_base].enable
- = pm860x_irqs[data->irq - chip->irq_base].offs;
+ pm860x_irqs[data->hwirq].enable = pm860x_irqs[data->hwirq].offs;
}
static void pm860x_irq_disable(struct irq_data *data)
{
- struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
- pm860x_irqs[data->irq - chip->irq_base].enable = 0;
+ pm860x_irqs[data->hwirq].enable = 0;
}
static struct irq_chip pm860x_irq_chip = {
@@ -379,53 +539,25 @@ static struct irq_chip pm860x_irq_chip = {
.irq_disable = pm860x_irq_disable,
};
-static int __devinit device_gpadc_init(struct pm860x_chip *chip,
- struct pm860x_platform_data *pdata)
+static int pm860x_irq_domain_map(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hw)
{
- struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
- : chip->companion;
- int data;
- int ret;
-
- /* initialize GPADC without activating it */
-
- if (!pdata || !pdata->touch)
- return -EINVAL;
-
- /* set GPADC MISC1 register */
- data = 0;
- data |= (pdata->touch->gpadc_prebias << 1) & PM8607_GPADC_PREBIAS_MASK;
- data |= (pdata->touch->slot_cycle << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
- data |= (pdata->touch->off_scale << 5) & PM8607_GPADC_OFF_SCALE_MASK;
- data |= (pdata->touch->sw_cal << 7) & PM8607_GPADC_SW_CAL_MASK;
- if (data) {
- ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
- if (ret < 0)
- goto out;
- }
- /* set tsi prebias time */
- if (pdata->touch->tsi_prebias) {
- data = pdata->touch->tsi_prebias;
- ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
- if (ret < 0)
- goto out;
- }
- /* set prebias & prechg time of pen detect */
- data = 0;
- data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
- data |= (pdata->touch->pen_prechg << 5) & PM8607_PD_PRECHG_MASK;
- if (data) {
- ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
- if (ret < 0)
- goto out;
- }
-
- ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
- PM8607_GPADC_EN, PM8607_GPADC_EN);
-out:
- return ret;
+ irq_set_chip_data(virq, d->host_data);
+ irq_set_chip_and_handler(virq, &pm860x_irq_chip, handle_edge_irq);
+ irq_set_nested_thread(virq, 1);
+#ifdef CONFIG_ARM
+ set_irq_flags(virq, IRQF_VALID);
+#else
+ irq_set_noprobe(virq);
+#endif
+ return 0;
}
+static struct irq_domain_ops pm860x_irq_domain_ops = {
+ .map = pm860x_irq_domain_map,
+ .xlate = irq_domain_xlate_onetwocell,
+};
+
static int __devinit device_irq_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
@@ -433,13 +565,9 @@ static int __devinit device_irq_init(struct pm860x_chip *chip,
: chip->companion;
unsigned char status_buf[INT_STATUS_NUM];
unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
- int i, data, mask, ret = -EINVAL;
- int __irq;
-
- if (!pdata || !pdata->irq_base) {
- dev_warn(chip->dev, "No interrupt support on IRQ base\n");
- return -EINVAL;
- }
+ int data, mask, ret = -EINVAL;
+ int nr_irqs, irq_base = -1;
+ struct device_node *node = i2c->dev.of_node;
mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
| PM8607_B0_MISC1_INT_MASK;
@@ -479,26 +607,24 @@ static int __devinit device_irq_init(struct pm860x_chip *chip,
goto out;
mutex_init(&chip->irq_lock);
- chip->irq_base = pdata->irq_base;
+
+ if (pdata && pdata->irq_base)
+ irq_base = pdata->irq_base;
+ nr_irqs = ARRAY_SIZE(pm860x_irqs);
+ chip->irq_base = irq_alloc_descs(irq_base, 0, nr_irqs, 0);
+ if (chip->irq_base < 0) {
+ dev_err(&i2c->dev, "Failed to allocate interrupts, ret:%d\n",
+ chip->irq_base);
+ ret = -EBUSY;
+ goto out;
+ }
+ irq_domain_add_legacy(node, nr_irqs, chip->irq_base, 0,
+ &pm860x_irq_domain_ops, chip);
chip->core_irq = i2c->irq;
if (!chip->core_irq)
goto out;
- /* register IRQ by genirq */
- for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
- __irq = i + chip->irq_base;
- irq_set_chip_data(__irq, chip);
- irq_set_chip_and_handler(__irq, &pm860x_irq_chip,
- handle_edge_irq);
- irq_set_nested_thread(__irq, 1);
-#ifdef CONFIG_ARM
- set_irq_flags(__irq, IRQF_VALID);
-#else
- irq_set_noprobe(__irq);
-#endif
- }
-
- ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
+ ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags | IRQF_ONESHOT,
"88pm860x", chip);
if (ret) {
dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
@@ -615,108 +741,122 @@ static void __devinit device_osc_init(struct i2c_client *i2c)
static void __devinit device_bk_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
- int ret;
- int i, j, id;
-
- if ((pdata == NULL) || (pdata->backlight == NULL))
- return;
-
- if (pdata->num_backlights > ARRAY_SIZE(bk_devs))
- pdata->num_backlights = ARRAY_SIZE(bk_devs);
-
- for (i = 0; i < pdata->num_backlights; i++) {
- bk_devs[i].platform_data = &pdata->backlight[i];
- bk_devs[i].pdata_size = sizeof(struct pm860x_backlight_pdata);
-
- for (j = 0; j < ARRAY_SIZE(bk_devs); j++) {
- id = bk_resources[j].start;
- if (pdata->backlight[i].flags != id)
- continue;
-
- bk_devs[i].num_resources = 1;
- bk_devs[i].resources = &bk_resources[j];
- ret = mfd_add_devices(chip->dev, 0,
- &bk_devs[i], 1,
- &bk_resources[j], 0, NULL);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to add "
- "backlight subdev\n");
- return;
- }
+ int ret, i;
+
+ if (pdata && pdata->backlight) {
+ if (pdata->num_backlights > ARRAY_SIZE(bk_devs))
+ pdata->num_backlights = ARRAY_SIZE(bk_devs);
+ for (i = 0; i < pdata->num_backlights; i++) {
+ bk_devs[i].platform_data = &pdata->backlight[i];
+ bk_devs[i].pdata_size =
+ sizeof(struct pm860x_backlight_pdata);
}
}
+ ret = mfd_add_devices(chip->dev, 0, bk_devs,
+ ARRAY_SIZE(bk_devs), NULL, 0, NULL);
+ if (ret < 0)
+ dev_err(chip->dev, "Failed to add backlight subdev\n");
}
static void __devinit device_led_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
- int ret;
- int i, j, id;
-
- if ((pdata == NULL) || (pdata->led == NULL))
- return;
-
- if (pdata->num_leds > ARRAY_SIZE(led_devs))
- pdata->num_leds = ARRAY_SIZE(led_devs);
-
- for (i = 0; i < pdata->num_leds; i++) {
- led_devs[i].platform_data = &pdata->led[i];
- led_devs[i].pdata_size = sizeof(struct pm860x_led_pdata);
-
- for (j = 0; j < ARRAY_SIZE(led_devs); j++) {
- id = led_resources[j].start;
- if (pdata->led[i].flags != id)
- continue;
-
- led_devs[i].num_resources = 1;
- led_devs[i].resources = &led_resources[j],
- ret = mfd_add_devices(chip->dev, 0,
- &led_devs[i], 1,
- &led_resources[j], 0, NULL);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to add "
- "led subdev\n");
- return;
- }
+ int ret, i;
+
+ if (pdata && pdata->led) {
+ if (pdata->num_leds > ARRAY_SIZE(led_devs))
+ pdata->num_leds = ARRAY_SIZE(led_devs);
+ for (i = 0; i < pdata->num_leds; i++) {
+ led_devs[i].platform_data = &pdata->led[i];
+ led_devs[i].pdata_size =
+ sizeof(struct pm860x_led_pdata);
}
}
+ ret = mfd_add_devices(chip->dev, 0, led_devs,
+ ARRAY_SIZE(led_devs), NULL, 0, NULL);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add led subdev\n");
+ return;
+ }
}
static void __devinit device_regulator_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
- struct regulator_init_data *initdata;
int ret;
- int i, seq;
- if ((pdata == NULL) || (pdata->regulator == NULL))
+ if (pdata == NULL)
+ return;
+ if (pdata->buck1) {
+ reg_devs[0].platform_data = pdata->buck1;
+ reg_devs[0].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->buck2) {
+ reg_devs[1].platform_data = pdata->buck2;
+ reg_devs[1].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->buck3) {
+ reg_devs[2].platform_data = pdata->buck3;
+ reg_devs[2].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo1) {
+ reg_devs[3].platform_data = pdata->ldo1;
+ reg_devs[3].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo2) {
+ reg_devs[4].platform_data = pdata->ldo2;
+ reg_devs[4].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo3) {
+ reg_devs[5].platform_data = pdata->ldo3;
+ reg_devs[5].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo4) {
+ reg_devs[6].platform_data = pdata->ldo4;
+ reg_devs[6].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo5) {
+ reg_devs[7].platform_data = pdata->ldo5;
+ reg_devs[7].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo6) {
+ reg_devs[8].platform_data = pdata->ldo6;
+ reg_devs[8].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo7) {
+ reg_devs[9].platform_data = pdata->ldo7;
+ reg_devs[9].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo8) {
+ reg_devs[10].platform_data = pdata->ldo8;
+ reg_devs[10].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo9) {
+ reg_devs[11].platform_data = pdata->ldo9;
+ reg_devs[11].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo10) {
+ reg_devs[12].platform_data = pdata->ldo10;
+ reg_devs[12].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo12) {
+ reg_devs[13].platform_data = pdata->ldo12;
+ reg_devs[13].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo_vibrator) {
+ reg_devs[14].platform_data = pdata->ldo_vibrator;
+ reg_devs[14].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo14) {
+ reg_devs[15].platform_data = pdata->ldo14;
+ reg_devs[15].pdata_size = sizeof(struct regulator_init_data);
+ }
+ ret = mfd_add_devices(chip->dev, 0, reg_devs,
+ ARRAY_SIZE(reg_devs), NULL, 0, NULL);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add regulator subdev\n");
return;
-
- if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
- pdata->num_regulators = ARRAY_SIZE(regulator_devs);
-
- for (i = 0, seq = -1; i < pdata->num_regulators; i++) {
- initdata = &pdata->regulator[i];
- seq = *(unsigned int *)initdata->driver_data;
- if ((seq < 0) || (seq > PM8607_ID_RG_MAX)) {
- dev_err(chip->dev, "Wrong ID(%d) on regulator(%s)\n",
- seq, initdata->constraints.name);
- goto out;
- }
- regulator_devs[i].platform_data = &pdata->regulator[i];
- regulator_devs[i].pdata_size = sizeof(struct regulator_init_data);
- regulator_devs[i].num_resources = 1;
- regulator_devs[i].resources = &regulator_resources[seq];
-
- ret = mfd_add_devices(chip->dev, 0, &regulator_devs[i], 1,
- &regulator_resources[seq], 0, NULL);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to add regulator subdev\n");
- goto out;
- }
}
-out:
- return;
}
static void __devinit device_rtc_init(struct pm860x_chip *chip,
@@ -785,10 +925,8 @@ static void __devinit device_power_init(struct pm860x_chip *chip,
power_devs[2].platform_data = &preg_init_data;
power_devs[2].pdata_size = sizeof(struct regulator_init_data);
- power_devs[2].num_resources = ARRAY_SIZE(preg_resources);
- power_devs[2].resources = &preg_resources[0],
ret = mfd_add_devices(chip->dev, 0, &power_devs[2], 1,
- &preg_resources[0], chip->irq_base, NULL);
+ NULL, chip->irq_base, NULL);
if (ret < 0)
dev_err(chip->dev, "Failed to add preg subdev\n");
}
@@ -868,10 +1006,6 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
goto out;
}
- ret = device_gpadc_init(chip, pdata);
- if (ret < 0)
- goto out;
-
ret = device_irq_init(chip, pdata);
if (ret < 0)
goto out;
@@ -895,8 +1029,8 @@ static void __devinit device_8606_init(struct pm860x_chip *chip,
device_led_init(chip, pdata);
}
-int __devinit pm860x_device_init(struct pm860x_chip *chip,
- struct pm860x_platform_data *pdata)
+static int __devinit pm860x_device_init(struct pm860x_chip *chip,
+ struct pm860x_platform_data *pdata)
{
chip->core_irq = 0;
@@ -923,12 +1057,207 @@ int __devinit pm860x_device_init(struct pm860x_chip *chip,
return 0;
}
-void __devexit pm860x_device_exit(struct pm860x_chip *chip)
+static void __devexit pm860x_device_exit(struct pm860x_chip *chip)
{
device_irq_exit(chip);
mfd_remove_devices(chip->dev);
}
+static int verify_addr(struct i2c_client *i2c)
+{
+ unsigned short addr_8607[] = {0x30, 0x34};
+ unsigned short addr_8606[] = {0x10, 0x11};
+ int size, i;
+
+ if (i2c == NULL)
+ return 0;
+ size = ARRAY_SIZE(addr_8606);
+ for (i = 0; i < size; i++) {
+ if (i2c->addr == *(addr_8606 + i))
+ return CHIP_PM8606;
+ }
+ size = ARRAY_SIZE(addr_8607);
+ for (i = 0; i < size; i++) {
+ if (i2c->addr == *(addr_8607 + i))
+ return CHIP_PM8607;
+ }
+ return 0;
+}
+
+static struct regmap_config pm860x_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static int __devinit pm860x_dt_init(struct device_node *np,
+ struct device *dev,
+ struct pm860x_platform_data *pdata)
+{
+ int ret;
+
+ if (of_get_property(np, "marvell,88pm860x-irq-read-clr", NULL))
+ pdata->irq_mode = 1;
+ ret = of_property_read_u32(np, "marvell,88pm860x-slave-addr",
+ &pdata->companion_addr);
+ if (ret) {
+ dev_err(dev, "Not found \"marvell,88pm860x-slave-addr\" "
+ "property\n");
+ pdata->companion_addr = 0;
+ }
+ return 0;
+}
+
+static int __devinit pm860x_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct pm860x_platform_data *pdata = client->dev.platform_data;
+ struct device_node *node = client->dev.of_node;
+ struct pm860x_chip *chip;
+ int ret;
+
+ if (node && !pdata) {
+ /* parse DT to get platform data */
+ pdata = devm_kzalloc(&client->dev,
+ sizeof(struct pm860x_platform_data),
+ GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+ ret = pm860x_dt_init(node, &client->dev, pdata);
+ if (ret)
+ goto err;
+ } else if (!pdata) {
+ pr_info("No platform data in %s!\n", __func__);
+ return -EINVAL;
+ }
+
+ chip = kzalloc(sizeof(struct pm860x_chip), GFP_KERNEL);
+ if (chip == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ chip->id = verify_addr(client);
+ chip->regmap = regmap_init_i2c(client, &pm860x_regmap_config);
+ if (IS_ERR(chip->regmap)) {
+ ret = PTR_ERR(chip->regmap);
+ dev_err(&client->dev, "Failed to allocate register map: %d\n",
+ ret);
+ kfree(chip);
+ return ret;
+ }
+ chip->client = client;
+ i2c_set_clientdata(client, chip);
+ chip->dev = &client->dev;
+ dev_set_drvdata(chip->dev, chip);
+
+ /*
+ * Both client and companion client shares same platform driver.
+ * Driver distinguishes them by pdata->companion_addr.
+ * pdata->companion_addr is only assigned if companion chip exists.
+ * At the same time, the companion_addr shouldn't equal to client
+ * address.
+ */
+ if (pdata->companion_addr && (pdata->companion_addr != client->addr)) {
+ chip->companion_addr = pdata->companion_addr;
+ chip->companion = i2c_new_dummy(chip->client->adapter,
+ chip->companion_addr);
+ chip->regmap_companion = regmap_init_i2c(chip->companion,
+ &pm860x_regmap_config);
+ if (IS_ERR(chip->regmap_companion)) {
+ ret = PTR_ERR(chip->regmap_companion);
+ dev_err(&chip->companion->dev,
+ "Failed to allocate register map: %d\n", ret);
+ return ret;
+ }
+ i2c_set_clientdata(chip->companion, chip);
+ }
+
+ pm860x_device_init(chip, pdata);
+ return 0;
+err:
+ if (node)
+ devm_kfree(&client->dev, pdata);
+ return ret;
+}
+
+static int __devexit pm860x_remove(struct i2c_client *client)
+{
+ struct pm860x_chip *chip = i2c_get_clientdata(client);
+
+ pm860x_device_exit(chip);
+ if (chip->companion) {
+ regmap_exit(chip->regmap_companion);
+ i2c_unregister_device(chip->companion);
+ }
+ regmap_exit(chip->regmap);
+ kfree(chip);
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int pm860x_suspend(struct device *dev)
+{
+ struct i2c_client *client = container_of(dev, struct i2c_client, dev);
+ struct pm860x_chip *chip = i2c_get_clientdata(client);
+
+ if (device_may_wakeup(dev) && chip->wakeup_flag)
+ enable_irq_wake(chip->core_irq);
+ return 0;
+}
+
+static int pm860x_resume(struct device *dev)
+{
+ struct i2c_client *client = container_of(dev, struct i2c_client, dev);
+ struct pm860x_chip *chip = i2c_get_clientdata(client);
+
+ if (device_may_wakeup(dev) && chip->wakeup_flag)
+ disable_irq_wake(chip->core_irq);
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(pm860x_pm_ops, pm860x_suspend, pm860x_resume);
+
+static const struct i2c_device_id pm860x_id_table[] = {
+ { "88PM860x", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, pm860x_id_table);
+
+static const struct of_device_id pm860x_dt_ids[] = {
+ { .compatible = "marvell,88pm860x", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, pm860x_dt_ids);
+
+static struct i2c_driver pm860x_driver = {
+ .driver = {
+ .name = "88PM860x",
+ .owner = THIS_MODULE,
+ .pm = &pm860x_pm_ops,
+ .of_match_table = of_match_ptr(pm860x_dt_ids),
+ },
+ .probe = pm860x_probe,
+ .remove = __devexit_p(pm860x_remove),
+ .id_table = pm860x_id_table,
+};
+
+static int __init pm860x_i2c_init(void)
+{
+ int ret;
+ ret = i2c_add_driver(&pm860x_driver);
+ if (ret != 0)
+ pr_err("Failed to register 88PM860x I2C driver: %d\n", ret);
+ return ret;
+}
+subsys_initcall(pm860x_i2c_init);
+
+static void __exit pm860x_i2c_exit(void)
+{
+ i2c_del_driver(&pm860x_driver);
+}
+module_exit(pm860x_i2c_exit);
+
MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index b2cfdc458561..ff8f803ce833 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -10,12 +10,9 @@
*/
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/platform_device.h>
#include <linux/i2c.h>
-#include <linux/err.h>
#include <linux/regmap.h>
#include <linux/mfd/88pm860x.h>
-#include <linux/slab.h>
int pm860x_reg_read(struct i2c_client *i2c, int reg)
{
@@ -91,8 +88,18 @@ static int read_device(struct i2c_client *i2c, int reg,
unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX + 3];
unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX + 2];
struct i2c_adapter *adap = i2c->adapter;
- struct i2c_msg msg[2] = {{i2c->addr, 0, 1, msgbuf0},
- {i2c->addr, I2C_M_RD, 0, msgbuf1},
+ struct i2c_msg msg[2] = {
+ {
+ .addr = i2c->addr,
+ .flags = 0,
+ .len = 1,
+ .buf = msgbuf0
+ },
+ { .addr = i2c->addr,
+ .flags = I2C_M_RD,
+ .len = 0,
+ .buf = msgbuf1
+ },
};
int num = 1, ret = 0;
@@ -231,160 +238,3 @@ out:
return ret;
}
EXPORT_SYMBOL(pm860x_page_set_bits);
-
-static const struct i2c_device_id pm860x_id_table[] = {
- { "88PM860x", 0 },
- {}
-};
-MODULE_DEVICE_TABLE(i2c, pm860x_id_table);
-
-static int verify_addr(struct i2c_client *i2c)
-{
- unsigned short addr_8607[] = {0x30, 0x34};
- unsigned short addr_8606[] = {0x10, 0x11};
- int size, i;
-
- if (i2c == NULL)
- return 0;
- size = ARRAY_SIZE(addr_8606);
- for (i = 0; i < size; i++) {
- if (i2c->addr == *(addr_8606 + i))
- return CHIP_PM8606;
- }
- size = ARRAY_SIZE(addr_8607);
- for (i = 0; i < size; i++) {
- if (i2c->addr == *(addr_8607 + i))
- return CHIP_PM8607;
- }
- return 0;
-}
-
-static struct regmap_config pm860x_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-};
-
-static int __devinit pm860x_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct pm860x_platform_data *pdata = client->dev.platform_data;
- struct pm860x_chip *chip;
- int ret;
-
- if (!pdata) {
- pr_info("No platform data in %s!\n", __func__);
- return -EINVAL;
- }
-
- chip = kzalloc(sizeof(struct pm860x_chip), GFP_KERNEL);
- if (chip == NULL)
- return -ENOMEM;
-
- chip->id = verify_addr(client);
- chip->regmap = regmap_init_i2c(client, &pm860x_regmap_config);
- if (IS_ERR(chip->regmap)) {
- ret = PTR_ERR(chip->regmap);
- dev_err(&client->dev, "Failed to allocate register map: %d\n",
- ret);
- kfree(chip);
- return ret;
- }
- chip->client = client;
- i2c_set_clientdata(client, chip);
- chip->dev = &client->dev;
- dev_set_drvdata(chip->dev, chip);
-
- /*
- * Both client and companion client shares same platform driver.
- * Driver distinguishes them by pdata->companion_addr.
- * pdata->companion_addr is only assigned if companion chip exists.
- * At the same time, the companion_addr shouldn't equal to client
- * address.
- */
- if (pdata->companion_addr && (pdata->companion_addr != client->addr)) {
- chip->companion_addr = pdata->companion_addr;
- chip->companion = i2c_new_dummy(chip->client->adapter,
- chip->companion_addr);
- chip->regmap_companion = regmap_init_i2c(chip->companion,
- &pm860x_regmap_config);
- if (IS_ERR(chip->regmap_companion)) {
- ret = PTR_ERR(chip->regmap_companion);
- dev_err(&chip->companion->dev,
- "Failed to allocate register map: %d\n", ret);
- return ret;
- }
- i2c_set_clientdata(chip->companion, chip);
- }
-
- pm860x_device_init(chip, pdata);
- return 0;
-}
-
-static int __devexit pm860x_remove(struct i2c_client *client)
-{
- struct pm860x_chip *chip = i2c_get_clientdata(client);
-
- pm860x_device_exit(chip);
- if (chip->companion) {
- regmap_exit(chip->regmap_companion);
- i2c_unregister_device(chip->companion);
- }
- regmap_exit(chip->regmap);
- kfree(chip);
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int pm860x_suspend(struct device *dev)
-{
- struct i2c_client *client = container_of(dev, struct i2c_client, dev);
- struct pm860x_chip *chip = i2c_get_clientdata(client);
-
- if (device_may_wakeup(dev) && chip->wakeup_flag)
- enable_irq_wake(chip->core_irq);
- return 0;
-}
-
-static int pm860x_resume(struct device *dev)
-{
- struct i2c_client *client = container_of(dev, struct i2c_client, dev);
- struct pm860x_chip *chip = i2c_get_clientdata(client);
-
- if (device_may_wakeup(dev) && chip->wakeup_flag)
- disable_irq_wake(chip->core_irq);
- return 0;
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(pm860x_pm_ops, pm860x_suspend, pm860x_resume);
-
-static struct i2c_driver pm860x_driver = {
- .driver = {
- .name = "88PM860x",
- .owner = THIS_MODULE,
- .pm = &pm860x_pm_ops,
- },
- .probe = pm860x_probe,
- .remove = __devexit_p(pm860x_remove),
- .id_table = pm860x_id_table,
-};
-
-static int __init pm860x_i2c_init(void)
-{
- int ret;
- ret = i2c_add_driver(&pm860x_driver);
- if (ret != 0)
- pr_err("Failed to register 88PM860x I2C driver: %d\n", ret);
- return ret;
-}
-subsys_initcall(pm860x_i2c_init);
-
-static void __exit pm860x_i2c_exit(void)
-{
- i2c_del_driver(&pm860x_driver);
-}
-module_exit(pm860x_i2c_exit);
-
-MODULE_DESCRIPTION("I2C Driver for Marvell 88PM860x");
-MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
-MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b1a146205c08..acab3ef8a310 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -298,16 +298,6 @@ config MFD_TWL4030_AUDIO
select MFD_CORE
default n
-config TWL6030_PWM
- tristate "TWL6030 PWM (Pulse Width Modulator) Support"
- depends on TWL4030_CORE
- select HAVE_PWM
- depends on !PWM
- default n
- help
- Say yes here if you want support for TWL6030 PWM.
- This is used to control charging LED brightness.
-
config TWL6040_CORE
bool "Support for TWL6040 audio codec"
depends on I2C=y && GENERIC_HARDIRQS
@@ -385,6 +375,18 @@ config MFD_T7L66XB
help
Support for Toshiba Mobile IO Controller T7L66XB
+config MFD_SMSC
+ bool "Support for the SMSC ECE1099 series chips"
+ depends on I2C=y
+ select MFD_CORE
+ select REGMAP_I2C
+ help
+ If you say yes here you get support for the
+ ece1099 chips from SMSC.
+
+ To compile this driver as a module, choose M here: the
+ module will be called smsc.
+
config MFD_TC6387XB
bool "Support Toshiba TC6387XB"
depends on ARM && HAVE_CLK
@@ -441,6 +443,23 @@ config MFD_DA9052_I2C
for accessing the device, additional drivers must be enabled in
order to use the functionality of the device.
+config MFD_DA9055
+ bool "Dialog Semiconductor DA9055 PMIC Support"
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ select PMIC_DA9055
+ select MFD_CORE
+ depends on I2C=y
+ help
+ Say yes here for support of Dialog Semiconductor DA9055. This is
+ a Power Management IC. This driver provides common support for
+ accessing the device as well as the I2C interface to the chip itself.
+ Additional drivers must be enabled in order to use the functionality
+ of the device.
+
+ This driver can be built as a module. If built as a module it will be
+ called "da9055"
+
config PMIC_ADP5520
bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
depends on I2C=y
@@ -451,6 +470,16 @@ config PMIC_ADP5520
individual components like LCD backlight, LEDs, GPIOs and Kepad
under the corresponding menus.
+config MFD_LP8788
+ bool "Texas Instruments LP8788 Power Management Unit Driver"
+ depends on I2C=y
+ select MFD_CORE
+ select REGMAP_I2C
+ select IRQ_DOMAIN
+ help
+ TI LP8788 PMU supports regulators, battery charger, RTC,
+ ADC, backlight driver and current sinks.
+
config MFD_MAX77686
bool "Maxim Semiconductor MAX77686 PMIC Support"
depends on I2C=y && GENERIC_HARDIRQS
@@ -477,6 +506,18 @@ config MFD_MAX77693
additional drivers must be enabled in order to use the functionality
of the device.
+config MFD_MAX8907
+ tristate "Maxim Semiconductor MAX8907 PMIC Support"
+ select MFD_CORE
+ depends on I2C=y && GENERIC_HARDIRQS
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ help
+ Say yes here to support for Maxim Semiconductor MAX8907. This is
+ a Power Management IC. This driver provides common support for
+ accessing the device; additional drivers must be enabled in order
+ to use the functionality of the device.
+
config MFD_MAX8925
bool "Maxim Semiconductor MAX8925 PMIC Support"
depends on I2C=y && GENERIC_HARDIRQS
@@ -896,7 +937,7 @@ config MFD_WL1273_CORE
audio codec.
config MFD_OMAP_USB_HOST
- bool "Support OMAP USBHS core driver"
+ bool "Support OMAP USBHS core and TLL driver"
depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
default y
help
@@ -985,13 +1026,13 @@ config MFD_STA2X11
depends on STA2X11
select MFD_CORE
-config MFD_ANATOP
- bool "Support for Freescale i.MX on-chip ANATOP controller"
- depends on SOC_IMX6Q
+config MFD_SYSCON
+ bool "System Controller Register R/W Based on Regmap"
+ depends on OF
+ select REGMAP_MMIO
help
- Select this option to enable Freescale i.MX on-chip ANATOP
- MFD controller. This controller embeds regulator and
- thermal devices for Freescale i.MX platforms.
+ Select this option to enable accessing system control registers
+ via regmap.
config MFD_PALMAS
bool "Support for the TI Palmas series chips"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 79dd22d1dc3d..d8ccb630ddb0 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -63,7 +63,6 @@ obj-$(CONFIG_TWL4030_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o
obj-$(CONFIG_TWL4030_MADC) += twl4030-madc.o
obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o
obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o
-obj-$(CONFIG_TWL6030_PWM) += twl6030-pwm.o
obj-$(CONFIG_TWL6040_CORE) += twl6040-core.o twl6040-irq.o
obj-$(CONFIG_MFD_MC13XXX) += mc13xxx-core.o
@@ -77,6 +76,7 @@ obj-$(CONFIG_EZX_PCAP) += ezx-pcap.o
obj-$(CONFIG_MCP) += mcp-core.o
obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o
obj-$(CONFIG_MCP_UCB1200) += ucb1x00-core.o
+obj-$(CONFIG_MFD_SMSC) += smsc-ece1099.o
obj-$(CONFIG_MCP_UCB1200_TS) += ucb1x00-ts.o
ifeq ($(CONFIG_SA1100_ASSABET),y)
@@ -90,8 +90,14 @@ obj-$(CONFIG_PMIC_DA9052) += da9052-core.o
obj-$(CONFIG_MFD_DA9052_SPI) += da9052-spi.o
obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o
+obj-$(CONFIG_MFD_LP8788) += lp8788.o lp8788-irq.o
+
+da9055-objs := da9055-core.o da9055-i2c.o
+obj-$(CONFIG_MFD_DA9055) += da9055.o
+
obj-$(CONFIG_MFD_MAX77686) += max77686.o max77686-irq.o
obj-$(CONFIG_MFD_MAX77693) += max77693.o max77693-irq.o
+obj-$(CONFIG_MFD_MAX8907) += max8907.o
max8925-objs := max8925-core.o max8925-i2c.o
obj-$(CONFIG_MFD_MAX8925) += max8925.o
obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o
@@ -120,7 +126,7 @@ obj-$(CONFIG_MFD_TPS6586X) += tps6586x.o
obj-$(CONFIG_MFD_VX855) += vx855.o
obj-$(CONFIG_MFD_WL1273_CORE) += wl1273-core.o
obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o
-obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o
+obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o omap-usb-tll.o
obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o
obj-$(CONFIG_MFD_PM8XXX_IRQ) += pm8xxx-irq.o
obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o
@@ -130,5 +136,5 @@ obj-$(CONFIG_MFD_INTEL_MSIC) += intel_msic.o
obj-$(CONFIG_MFD_PALMAS) += palmas.o
obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o
obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o sec-irq.o
-obj-$(CONFIG_MFD_ANATOP) += anatop-mfd.o
+obj-$(CONFIG_MFD_SYSCON) += syscon.o
obj-$(CONFIG_MFD_LM3533) += lm3533-core.o lm3533-ctrlbank.o
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 01781ae5d0d7..2b3dde571a50 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -21,6 +21,7 @@
#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/mfd/core.h>
+#include <linux/mfd/ab3100.h>
#include <linux/mfd/abx500.h>
/* These are the only registers inside AB3100 used in this main file */
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 47adf800024e..1667c77b5cde 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -472,6 +472,22 @@ static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev)
return IRQ_HANDLED;
}
+/**
+ * ab8500_irq_get_virq(): Map an interrupt on a chip to a virtual IRQ
+ *
+ * @ab8500: ab8500_irq controller to operate on.
+ * @irq: index of the interrupt requested in the chip IRQs
+ *
+ * Useful for drivers to request their own IRQs.
+ */
+static int ab8500_irq_get_virq(struct ab8500 *ab8500, int irq)
+{
+ if (!ab8500)
+ return -EINVAL;
+
+ return irq_create_mapping(ab8500->domain, irq);
+}
+
static irqreturn_t ab8500_irq(int irq, void *dev)
{
struct ab8500 *ab8500 = dev;
@@ -501,8 +517,9 @@ static irqreturn_t ab8500_irq(int irq, void *dev)
do {
int bit = __ffs(value);
int line = i * 8 + bit;
+ int virq = ab8500_irq_get_virq(ab8500, line);
- handle_nested_irq(ab8500->irq_base + line);
+ handle_nested_irq(virq);
value &= ~(1 << bit);
} while (value);
@@ -511,23 +528,6 @@ static irqreturn_t ab8500_irq(int irq, void *dev)
return IRQ_HANDLED;
}
-/**
- * ab8500_irq_get_virq(): Map an interrupt on a chip to a virtual IRQ
- *
- * @ab8500: ab8500_irq controller to operate on.
- * @irq: index of the interrupt requested in the chip IRQs
- *
- * Useful for drivers to request their own IRQs.
- */
-int ab8500_irq_get_virq(struct ab8500 *ab8500, int irq)
-{
- if (!ab8500)
- return -EINVAL;
-
- return irq_create_mapping(ab8500->domain, irq);
-}
-EXPORT_SYMBOL_GPL(ab8500_irq_get_virq);
-
static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
irq_hw_number_t hwirq)
{
@@ -1076,6 +1076,7 @@ static struct mfd_cell __devinitdata ab8500_devs[] = {
},
{
.name = "ab8500-codec",
+ .of_compatible = "stericsson,ab8500-codec",
},
};
diff --git a/drivers/mfd/anatop-mfd.c b/drivers/mfd/anatop-mfd.c
deleted file mode 100644
index 5576e07576de..000000000000
--- a/drivers/mfd/anatop-mfd.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Anatop MFD driver
- *
- * Copyright (C) 2012 Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
- * Copyright (C) 2012 Linaro
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/of_address.h>
-#include <linux/mfd/anatop.h>
-
-u32 anatop_read_reg(struct anatop *adata, u32 addr)
-{
- return readl(adata->ioreg + addr);
-}
-EXPORT_SYMBOL_GPL(anatop_read_reg);
-
-void anatop_write_reg(struct anatop *adata, u32 addr, u32 data, u32 mask)
-{
- u32 val;
-
- data &= mask;
-
- spin_lock(&adata->reglock);
- val = readl(adata->ioreg + addr);
- val &= ~mask;
- val |= data;
- writel(val, adata->ioreg + addr);
- spin_unlock(&adata->reglock);
-}
-EXPORT_SYMBOL_GPL(anatop_write_reg);
-
-static const struct of_device_id of_anatop_match[] = {
- { .compatible = "fsl,imx6q-anatop", },
- { },
-};
-
-static int __devinit of_anatop_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- void *ioreg;
- struct anatop *drvdata;
-
- ioreg = of_iomap(np, 0);
- if (!ioreg)
- return -EADDRNOTAVAIL;
- drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
- if (!drvdata)
- return -ENOMEM;
- drvdata->ioreg = ioreg;
- spin_lock_init(&drvdata->reglock);
- platform_set_drvdata(pdev, drvdata);
- of_platform_populate(np, NULL, NULL, dev);
-
- return 0;
-}
-
-static int __devexit of_anatop_remove(struct platform_device *pdev)
-{
- struct anatop *drvdata;
- drvdata = platform_get_drvdata(pdev);
- iounmap(drvdata->ioreg);
-
- return 0;
-}
-
-static struct platform_driver anatop_of_driver = {
- .driver = {
- .name = "anatop-mfd",
- .owner = THIS_MODULE,
- .of_match_table = of_anatop_match,
- },
- .probe = of_anatop_probe,
- .remove = of_anatop_remove,
-};
-
-static int __init anatop_init(void)
-{
- return platform_driver_register(&anatop_of_driver);
-}
-postcore_initcall(anatop_init);
-
-static void __exit anatop_exit(void)
-{
- platform_driver_unregister(&anatop_of_driver);
-}
-module_exit(anatop_exit);
-
-MODULE_AUTHOR("Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>");
-MODULE_DESCRIPTION("ANATOP MFD driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 98ac345f468e..ef0f2d001df2 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -94,7 +94,8 @@ static irqreturn_t arizona_ctrlif_err(int irq, void *data)
static irqreturn_t arizona_irq_thread(int irq, void *data)
{
struct arizona *arizona = data;
- int i, ret;
+ unsigned int val;
+ int ret;
ret = pm_runtime_get_sync(arizona->dev);
if (ret < 0) {
@@ -102,9 +103,20 @@ static irqreturn_t arizona_irq_thread(int irq, void *data)
return IRQ_NONE;
}
- /* Check both domains */
- for (i = 0; i < 2; i++)
- handle_nested_irq(irq_find_mapping(arizona->virq, i));
+ /* Always handle the AoD domain */
+ handle_nested_irq(irq_find_mapping(arizona->virq, 0));
+
+ /*
+ * Check if one of the main interrupts is asserted and only
+ * check that domain if it is.
+ */
+ ret = regmap_read(arizona->regmap, ARIZONA_IRQ_PIN_STATUS, &val);
+ if (ret == 0 && val & ARIZONA_IRQ1_STS) {
+ handle_nested_irq(irq_find_mapping(arizona->virq, 1));
+ } else if (ret != 0) {
+ dev_err(arizona->dev, "Failed to read main IRQ status: %d\n",
+ ret);
+ }
pm_runtime_mark_last_busy(arizona->dev);
pm_runtime_put_autosuspend(arizona->dev);
@@ -156,18 +168,36 @@ int arizona_irq_init(struct arizona *arizona)
int flags = IRQF_ONESHOT;
int ret, i;
const struct regmap_irq_chip *aod, *irq;
+ bool ctrlif_error = true;
switch (arizona->type) {
#ifdef CONFIG_MFD_WM5102
case WM5102:
aod = &wm5102_aod;
irq = &wm5102_irq;
+
+ switch (arizona->rev) {
+ case 0:
+ ctrlif_error = false;
+ break;
+ default:
+ break;
+ }
break;
#endif
#ifdef CONFIG_MFD_WM5110
case WM5110:
aod = &wm5110_aod;
irq = &wm5110_irq;
+
+ switch (arizona->rev) {
+ case 0:
+ case 1:
+ ctrlif_error = false;
+ break;
+ default:
+ break;
+ }
break;
#endif
default:
@@ -226,13 +256,17 @@ int arizona_irq_init(struct arizona *arizona)
}
/* Handle control interface errors in the core */
- i = arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR);
- ret = request_threaded_irq(i, NULL, arizona_ctrlif_err, IRQF_ONESHOT,
- "Control interface error", arizona);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to request boot done %d: %d\n",
- arizona->irq, ret);
- goto err_ctrlif;
+ if (ctrlif_error) {
+ i = arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR);
+ ret = request_threaded_irq(i, NULL, arizona_ctrlif_err,
+ IRQF_ONESHOT,
+ "Control interface error", arizona);
+ if (ret != 0) {
+ dev_err(arizona->dev,
+ "Failed to request CTRLIF_ERR %d: %d\n",
+ arizona->irq, ret);
+ goto err_ctrlif;
+ }
}
ret = request_threaded_irq(arizona->irq, NULL, arizona_irq_thread,
diff --git a/drivers/mfd/da9055-core.c b/drivers/mfd/da9055-core.c
new file mode 100644
index 000000000000..ff6c77f392bd
--- /dev/null
+++ b/drivers/mfd/da9055-core.c
@@ -0,0 +1,423 @@
+/*
+ * Device access for Dialog DA9055 PMICs.
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/da9055/core.h>
+#include <linux/mfd/da9055/pdata.h>
+#include <linux/mfd/da9055/reg.h>
+
+#define DA9055_IRQ_NONKEY_MASK 0x01
+#define DA9055_IRQ_ALM_MASK 0x02
+#define DA9055_IRQ_TICK_MASK 0x04
+#define DA9055_IRQ_ADC_MASK 0x08
+#define DA9055_IRQ_BUCK_ILIM_MASK 0x08
+
+static bool da9055_register_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9055_REG_STATUS_A:
+ case DA9055_REG_STATUS_B:
+ case DA9055_REG_EVENT_A:
+ case DA9055_REG_EVENT_B:
+ case DA9055_REG_EVENT_C:
+ case DA9055_REG_IRQ_MASK_A:
+ case DA9055_REG_IRQ_MASK_B:
+ case DA9055_REG_IRQ_MASK_C:
+
+ case DA9055_REG_CONTROL_A:
+ case DA9055_REG_CONTROL_B:
+ case DA9055_REG_CONTROL_C:
+ case DA9055_REG_CONTROL_D:
+ case DA9055_REG_CONTROL_E:
+
+ case DA9055_REG_ADC_MAN:
+ case DA9055_REG_ADC_CONT:
+ case DA9055_REG_VSYS_MON:
+ case DA9055_REG_ADC_RES_L:
+ case DA9055_REG_ADC_RES_H:
+ case DA9055_REG_VSYS_RES:
+ case DA9055_REG_ADCIN1_RES:
+ case DA9055_REG_ADCIN2_RES:
+ case DA9055_REG_ADCIN3_RES:
+
+ case DA9055_REG_COUNT_S:
+ case DA9055_REG_COUNT_MI:
+ case DA9055_REG_COUNT_H:
+ case DA9055_REG_COUNT_D:
+ case DA9055_REG_COUNT_MO:
+ case DA9055_REG_COUNT_Y:
+ case DA9055_REG_ALARM_H:
+ case DA9055_REG_ALARM_D:
+ case DA9055_REG_ALARM_MI:
+ case DA9055_REG_ALARM_MO:
+ case DA9055_REG_ALARM_Y:
+
+ case DA9055_REG_GPIO0_1:
+ case DA9055_REG_GPIO2:
+ case DA9055_REG_GPIO_MODE0_2:
+
+ case DA9055_REG_BCORE_CONT:
+ case DA9055_REG_BMEM_CONT:
+ case DA9055_REG_LDO1_CONT:
+ case DA9055_REG_LDO2_CONT:
+ case DA9055_REG_LDO3_CONT:
+ case DA9055_REG_LDO4_CONT:
+ case DA9055_REG_LDO5_CONT:
+ case DA9055_REG_LDO6_CONT:
+ case DA9055_REG_BUCK_LIM:
+ case DA9055_REG_BCORE_MODE:
+ case DA9055_REG_VBCORE_A:
+ case DA9055_REG_VBMEM_A:
+ case DA9055_REG_VLDO1_A:
+ case DA9055_REG_VLDO2_A:
+ case DA9055_REG_VLDO3_A:
+ case DA9055_REG_VLDO4_A:
+ case DA9055_REG_VLDO5_A:
+ case DA9055_REG_VLDO6_A:
+ case DA9055_REG_VBCORE_B:
+ case DA9055_REG_VBMEM_B:
+ case DA9055_REG_VLDO1_B:
+ case DA9055_REG_VLDO2_B:
+ case DA9055_REG_VLDO3_B:
+ case DA9055_REG_VLDO4_B:
+ case DA9055_REG_VLDO5_B:
+ case DA9055_REG_VLDO6_B:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool da9055_register_writeable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9055_REG_STATUS_A:
+ case DA9055_REG_STATUS_B:
+ case DA9055_REG_EVENT_A:
+ case DA9055_REG_EVENT_B:
+ case DA9055_REG_EVENT_C:
+ case DA9055_REG_IRQ_MASK_A:
+ case DA9055_REG_IRQ_MASK_B:
+ case DA9055_REG_IRQ_MASK_C:
+
+ case DA9055_REG_CONTROL_A:
+ case DA9055_REG_CONTROL_B:
+ case DA9055_REG_CONTROL_C:
+ case DA9055_REG_CONTROL_D:
+ case DA9055_REG_CONTROL_E:
+
+ case DA9055_REG_ADC_MAN:
+ case DA9055_REG_ADC_CONT:
+ case DA9055_REG_VSYS_MON:
+ case DA9055_REG_ADC_RES_L:
+ case DA9055_REG_ADC_RES_H:
+ case DA9055_REG_VSYS_RES:
+ case DA9055_REG_ADCIN1_RES:
+ case DA9055_REG_ADCIN2_RES:
+ case DA9055_REG_ADCIN3_RES:
+
+ case DA9055_REG_COUNT_S:
+ case DA9055_REG_COUNT_MI:
+ case DA9055_REG_COUNT_H:
+ case DA9055_REG_COUNT_D:
+ case DA9055_REG_COUNT_MO:
+ case DA9055_REG_COUNT_Y:
+ case DA9055_REG_ALARM_H:
+ case DA9055_REG_ALARM_D:
+ case DA9055_REG_ALARM_MI:
+ case DA9055_REG_ALARM_MO:
+ case DA9055_REG_ALARM_Y:
+
+ case DA9055_REG_GPIO0_1:
+ case DA9055_REG_GPIO2:
+ case DA9055_REG_GPIO_MODE0_2:
+
+ case DA9055_REG_BCORE_CONT:
+ case DA9055_REG_BMEM_CONT:
+ case DA9055_REG_LDO1_CONT:
+ case DA9055_REG_LDO2_CONT:
+ case DA9055_REG_LDO3_CONT:
+ case DA9055_REG_LDO4_CONT:
+ case DA9055_REG_LDO5_CONT:
+ case DA9055_REG_LDO6_CONT:
+ case DA9055_REG_BUCK_LIM:
+ case DA9055_REG_BCORE_MODE:
+ case DA9055_REG_VBCORE_A:
+ case DA9055_REG_VBMEM_A:
+ case DA9055_REG_VLDO1_A:
+ case DA9055_REG_VLDO2_A:
+ case DA9055_REG_VLDO3_A:
+ case DA9055_REG_VLDO4_A:
+ case DA9055_REG_VLDO5_A:
+ case DA9055_REG_VLDO6_A:
+ case DA9055_REG_VBCORE_B:
+ case DA9055_REG_VBMEM_B:
+ case DA9055_REG_VLDO1_B:
+ case DA9055_REG_VLDO2_B:
+ case DA9055_REG_VLDO3_B:
+ case DA9055_REG_VLDO4_B:
+ case DA9055_REG_VLDO5_B:
+ case DA9055_REG_VLDO6_B:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool da9055_register_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9055_REG_STATUS_A:
+ case DA9055_REG_STATUS_B:
+ case DA9055_REG_EVENT_A:
+ case DA9055_REG_EVENT_B:
+ case DA9055_REG_EVENT_C:
+
+ case DA9055_REG_CONTROL_A:
+ case DA9055_REG_CONTROL_E:
+
+ case DA9055_REG_ADC_MAN:
+ case DA9055_REG_ADC_RES_L:
+ case DA9055_REG_ADC_RES_H:
+ case DA9055_REG_VSYS_RES:
+ case DA9055_REG_ADCIN1_RES:
+ case DA9055_REG_ADCIN2_RES:
+ case DA9055_REG_ADCIN3_RES:
+
+ case DA9055_REG_COUNT_S:
+ case DA9055_REG_COUNT_MI:
+ case DA9055_REG_COUNT_H:
+ case DA9055_REG_COUNT_D:
+ case DA9055_REG_COUNT_MO:
+ case DA9055_REG_COUNT_Y:
+ case DA9055_REG_ALARM_MI:
+
+ case DA9055_REG_BCORE_CONT:
+ case DA9055_REG_BMEM_CONT:
+ case DA9055_REG_LDO1_CONT:
+ case DA9055_REG_LDO2_CONT:
+ case DA9055_REG_LDO3_CONT:
+ case DA9055_REG_LDO4_CONT:
+ case DA9055_REG_LDO5_CONT:
+ case DA9055_REG_LDO6_CONT:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static struct regmap_irq da9055_irqs[] = {
+ [DA9055_IRQ_NONKEY] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_NONKEY_MASK,
+ },
+ [DA9055_IRQ_ALARM] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_ALM_MASK,
+ },
+ [DA9055_IRQ_TICK] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_TICK_MASK,
+ },
+ [DA9055_IRQ_HWMON] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_ADC_MASK,
+ },
+ [DA9055_IRQ_REGULATOR] = {
+ .reg_offset = 1,
+ .mask = DA9055_IRQ_BUCK_ILIM_MASK,
+ },
+};
+
+struct regmap_config da9055_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .cache_type = REGCACHE_RBTREE,
+
+ .max_register = DA9055_MAX_REGISTER_CNT,
+ .readable_reg = da9055_register_readable,
+ .writeable_reg = da9055_register_writeable,
+ .volatile_reg = da9055_register_volatile,
+};
+EXPORT_SYMBOL_GPL(da9055_regmap_config);
+
+static struct resource da9055_onkey_resource = {
+ .name = "ONKEY",
+ .start = DA9055_IRQ_NONKEY,
+ .end = DA9055_IRQ_NONKEY,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct resource da9055_rtc_resource[] = {
+ {
+ .name = "ALM",
+ .start = DA9055_IRQ_ALARM,
+ .end = DA9055_IRQ_ALARM,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "TICK",
+ .start = DA9055_IRQ_TICK,
+ .end = DA9055_IRQ_TICK,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource da9055_hwmon_resource = {
+ .name = "HWMON",
+ .start = DA9055_IRQ_HWMON,
+ .end = DA9055_IRQ_HWMON,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct resource da9055_ld05_6_resource = {
+ .name = "REGULATOR",
+ .start = DA9055_IRQ_REGULATOR,
+ .end = DA9055_IRQ_REGULATOR,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct mfd_cell da9055_devs[] = {
+ {
+ .of_compatible = "dialog,da9055-gpio",
+ .name = "da9055-gpio",
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 2,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 3,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 4,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 5,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 6,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 7,
+ .resources = &da9055_ld05_6_resource,
+ .num_resources = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .resources = &da9055_ld05_6_resource,
+ .num_resources = 1,
+ .id = 8,
+ },
+ {
+ .of_compatible = "dialog,da9055-onkey",
+ .name = "da9055-onkey",
+ .resources = &da9055_onkey_resource,
+ .num_resources = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-rtc",
+ .name = "da9055-rtc",
+ .resources = da9055_rtc_resource,
+ .num_resources = ARRAY_SIZE(da9055_rtc_resource),
+ },
+ {
+ .of_compatible = "dialog,da9055-hwmon",
+ .name = "da9055-hwmon",
+ .resources = &da9055_hwmon_resource,
+ .num_resources = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-watchdog",
+ .name = "da9055-watchdog",
+ },
+};
+
+static struct regmap_irq_chip da9055_regmap_irq_chip = {
+ .name = "da9055_irq",
+ .status_base = DA9055_REG_EVENT_A,
+ .mask_base = DA9055_REG_IRQ_MASK_A,
+ .ack_base = DA9055_REG_EVENT_A,
+ .num_regs = 3,
+ .irqs = da9055_irqs,
+ .num_irqs = ARRAY_SIZE(da9055_irqs),
+};
+
+int __devinit da9055_device_init(struct da9055 *da9055)
+{
+ struct da9055_pdata *pdata = da9055->dev->platform_data;
+ int ret;
+
+ if (pdata && pdata->init != NULL)
+ pdata->init(da9055);
+
+ if (!pdata || !pdata->irq_base)
+ da9055->irq_base = -1;
+ else
+ da9055->irq_base = pdata->irq_base;
+
+ ret = regmap_add_irq_chip(da9055->regmap, da9055->chip_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ da9055->irq_base, &da9055_regmap_irq_chip,
+ &da9055->irq_data);
+ if (ret < 0)
+ return ret;
+
+ da9055->irq_base = regmap_irq_chip_get_base(da9055->irq_data);
+
+ ret = mfd_add_devices(da9055->dev, -1,
+ da9055_devs, ARRAY_SIZE(da9055_devs),
+ NULL, da9055->irq_base, NULL);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ mfd_remove_devices(da9055->dev);
+ return ret;
+}
+
+void __devexit da9055_device_exit(struct da9055 *da9055)
+{
+ regmap_del_irq_chip(da9055->chip_irq, da9055->irq_data);
+ mfd_remove_devices(da9055->dev);
+}
+
+MODULE_DESCRIPTION("Core support for the DA9055 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c
new file mode 100644
index 000000000000..88f6dca53bac
--- /dev/null
+++ b/drivers/mfd/da9055-i2c.c
@@ -0,0 +1,93 @@
+ /* I2C access for DA9055 PMICs.
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+
+#include <linux/mfd/da9055/core.h>
+
+static int __devinit da9055_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct da9055 *da9055;
+ int ret;
+
+ da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL);
+ if (!da9055)
+ return -ENOMEM;
+
+ da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
+ if (IS_ERR(da9055->regmap)) {
+ ret = PTR_ERR(da9055->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ da9055->dev = &i2c->dev;
+ da9055->chip_irq = i2c->irq;
+
+ i2c_set_clientdata(i2c, da9055);
+
+ return da9055_device_init(da9055);
+}
+
+static int __devexit da9055_i2c_remove(struct i2c_client *i2c)
+{
+ struct da9055 *da9055 = i2c_get_clientdata(i2c);
+
+ da9055_device_exit(da9055);
+
+ return 0;
+}
+
+static struct i2c_device_id da9055_i2c_id[] = {
+ {"da9055-pmic", 0},
+ { }
+};
+
+static struct i2c_driver da9055_i2c_driver = {
+ .probe = da9055_i2c_probe,
+ .remove = __devexit_p(da9055_i2c_remove),
+ .id_table = da9055_i2c_id,
+ .driver = {
+ .name = "da9055",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init da9055_i2c_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&da9055_i2c_driver);
+ if (ret != 0) {
+ pr_err("DA9055 I2C registration failed %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+subsys_initcall(da9055_i2c_init);
+
+static void __exit da9055_i2c_exit(void)
+{
+ i2c_del_driver(&da9055_i2c_driver);
+}
+module_exit(da9055_i2c_exit);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("I2C driver for Dialog DA9055 PMIC");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 6b67edbdbd01..00b8b0f3dfb6 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -270,6 +270,8 @@ static struct {
struct prcmu_fw_version version;
} fw_info;
+static struct irq_domain *db8500_irq_domain;
+
/*
* This vector maps irq numbers to the bits in the bit field used in
* communication with the PRCMU firmware.
@@ -2624,7 +2626,7 @@ static void prcmu_irq_mask(struct irq_data *d)
spin_lock_irqsave(&mb0_transfer.dbb_irqs_lock, flags);
- mb0_transfer.req.dbb_irqs &= ~prcmu_irq_bit[d->irq - IRQ_PRCMU_BASE];
+ mb0_transfer.req.dbb_irqs &= ~prcmu_irq_bit[d->hwirq];
spin_unlock_irqrestore(&mb0_transfer.dbb_irqs_lock, flags);
@@ -2638,7 +2640,7 @@ static void prcmu_irq_unmask(struct irq_data *d)
spin_lock_irqsave(&mb0_transfer.dbb_irqs_lock, flags);
- mb0_transfer.req.dbb_irqs |= prcmu_irq_bit[d->irq - IRQ_PRCMU_BASE];
+ mb0_transfer.req.dbb_irqs |= prcmu_irq_bit[d->hwirq];
spin_unlock_irqrestore(&mb0_transfer.dbb_irqs_lock, flags);
@@ -2678,9 +2680,37 @@ static char *fw_project_name(u8 project)
}
}
+static int db8500_irq_map(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hwirq)
+{
+ irq_set_chip_and_handler(virq, &prcmu_irq_chip,
+ handle_simple_irq);
+ set_irq_flags(virq, IRQF_VALID);
+
+ return 0;
+}
+
+static struct irq_domain_ops db8500_irq_ops = {
+ .map = db8500_irq_map,
+ .xlate = irq_domain_xlate_twocell,
+};
+
+static int db8500_irq_init(struct device_node *np)
+{
+ db8500_irq_domain = irq_domain_add_legacy(
+ np, NUM_PRCMU_WAKEUPS, IRQ_PRCMU_BASE,
+ 0, &db8500_irq_ops, NULL);
+
+ if (!db8500_irq_domain) {
+ pr_err("Failed to create irqdomain\n");
+ return -ENOSYS;
+ }
+
+ return 0;
+}
+
void __init db8500_prcmu_early_init(void)
{
- unsigned int i;
if (cpu_is_u8500v2()) {
void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K);
@@ -2725,15 +2755,6 @@ void __init db8500_prcmu_early_init(void)
INIT_WORK(&mb0_transfer.mask_work, prcmu_mask_work);
- /* Initalize irqs. */
- for (i = 0; i < NUM_PRCMU_WAKEUPS; i++) {
- unsigned int irq;
-
- irq = IRQ_PRCMU_BASE + i;
- irq_set_chip_and_handler(irq, &prcmu_irq_chip,
- handle_simple_irq);
- set_irq_flags(irq, IRQF_VALID);
- }
compute_armss_rate();
}
@@ -3041,6 +3062,8 @@ static int __devinit db8500_prcmu_probe(struct platform_device *pdev)
goto no_irq_return;
}
+ db8500_irq_init(np);
+
for (i = 0; i < ARRAY_SIZE(db8500_prcmu_devs); i++) {
if (!strcmp(db8500_prcmu_devs[i].name, "ab8500-core")) {
db8500_prcmu_devs[i].platform_data = ab8500_platdata;
diff --git a/drivers/mfd/lp8788-irq.c b/drivers/mfd/lp8788-irq.c
new file mode 100644
index 000000000000..c84ded5f8ece
--- /dev/null
+++ b/drivers/mfd/lp8788-irq.c
@@ -0,0 +1,198 @@
+/*
+ * TI LP8788 MFD - interrupt handler
+ *
+ * Copyright 2012 Texas Instruments
+ *
+ * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/device.h>
+#include <linux/mfd/lp8788.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+/* register address */
+#define LP8788_INT_1 0x00
+#define LP8788_INTEN_1 0x03
+
+#define BASE_INTEN_ADDR LP8788_INTEN_1
+#define SIZE_REG 8
+#define NUM_REGS 3
+
+/*
+ * struct lp8788_irq_data
+ * @lp : used for accessing to lp8788 registers
+ * @irq_lock : mutex for enabling/disabling the interrupt
+ * @domain : IRQ domain for handling nested interrupt
+ * @enabled : status of enabled interrupt
+ */
+struct lp8788_irq_data {
+ struct lp8788 *lp;
+ struct mutex irq_lock;
+ struct irq_domain *domain;
+ int enabled[LP8788_INT_MAX];
+};
+
+static inline u8 _irq_to_addr(enum lp8788_int_id id)
+{
+ return id / SIZE_REG;
+}
+
+static inline u8 _irq_to_enable_addr(enum lp8788_int_id id)
+{
+ return _irq_to_addr(id) + BASE_INTEN_ADDR;
+}
+
+static inline u8 _irq_to_mask(enum lp8788_int_id id)
+{
+ return 1 << (id % SIZE_REG);
+}
+
+static inline u8 _irq_to_val(enum lp8788_int_id id, int enable)
+{
+ return enable << (id % SIZE_REG);
+}
+
+static void lp8788_irq_enable(struct irq_data *data)
+{
+ struct lp8788_irq_data *irqd = irq_data_get_irq_chip_data(data);
+ irqd->enabled[data->hwirq] = 1;
+}
+
+static void lp8788_irq_disable(struct irq_data *data)
+{
+ struct lp8788_irq_data *irqd = irq_data_get_irq_chip_data(data);
+ irqd->enabled[data->hwirq] = 0;
+}
+
+static void lp8788_irq_bus_lock(struct irq_data *data)
+{
+ struct lp8788_irq_data *irqd = irq_data_get_irq_chip_data(data);
+
+ mutex_lock(&irqd->irq_lock);
+}
+
+static void lp8788_irq_bus_sync_unlock(struct irq_data *data)
+{
+ struct lp8788_irq_data *irqd = irq_data_get_irq_chip_data(data);
+ enum lp8788_int_id irq = data->hwirq;
+ u8 addr, mask, val;
+
+ addr = _irq_to_enable_addr(irq);
+ mask = _irq_to_mask(irq);
+ val = _irq_to_val(irq, irqd->enabled[irq]);
+
+ lp8788_update_bits(irqd->lp, addr, mask, val);
+
+ mutex_unlock(&irqd->irq_lock);
+}
+
+static struct irq_chip lp8788_irq_chip = {
+ .name = "lp8788",
+ .irq_enable = lp8788_irq_enable,
+ .irq_disable = lp8788_irq_disable,
+ .irq_bus_lock = lp8788_irq_bus_lock,
+ .irq_bus_sync_unlock = lp8788_irq_bus_sync_unlock,
+};
+
+static irqreturn_t lp8788_irq_handler(int irq, void *ptr)
+{
+ struct lp8788_irq_data *irqd = ptr;
+ struct lp8788 *lp = irqd->lp;
+ u8 status[NUM_REGS], addr, mask;
+ bool handled;
+ int i;
+
+ if (lp8788_read_multi_bytes(lp, LP8788_INT_1, status, NUM_REGS))
+ return IRQ_NONE;
+
+ for (i = 0 ; i < LP8788_INT_MAX ; i++) {
+ addr = _irq_to_addr(i);
+ mask = _irq_to_mask(i);
+
+ /* reporting only if the irq is enabled */
+ if (status[addr] & mask) {
+ handle_nested_irq(irq_find_mapping(irqd->domain, i));
+ handled = true;
+ }
+ }
+
+ return handled ? IRQ_HANDLED : IRQ_NONE;
+}
+
+static int lp8788_irq_map(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hwirq)
+{
+ struct lp8788_irq_data *irqd = d->host_data;
+ struct irq_chip *chip = &lp8788_irq_chip;
+
+ irq_set_chip_data(virq, irqd);
+ irq_set_chip_and_handler(virq, chip, handle_edge_irq);
+ irq_set_nested_thread(virq, 1);
+
+#ifdef CONFIG_ARM
+ set_irq_flags(virq, IRQF_VALID);
+#else
+ irq_set_noprobe(virq);
+#endif
+
+ return 0;
+}
+
+static struct irq_domain_ops lp8788_domain_ops = {
+ .map = lp8788_irq_map,
+};
+
+int lp8788_irq_init(struct lp8788 *lp, int irq)
+{
+ struct lp8788_irq_data *irqd;
+ int ret;
+
+ if (irq <= 0) {
+ dev_warn(lp->dev, "invalid irq number: %d\n", irq);
+ return 0;
+ }
+
+ irqd = devm_kzalloc(lp->dev, sizeof(*irqd), GFP_KERNEL);
+ if (!irqd)
+ return -ENOMEM;
+
+ irqd->lp = lp;
+ irqd->domain = irq_domain_add_linear(lp->dev->of_node, LP8788_INT_MAX,
+ &lp8788_domain_ops, irqd);
+ if (!irqd->domain) {
+ dev_err(lp->dev, "failed to add irq domain err\n");
+ return -EINVAL;
+ }
+
+ lp->irqdm = irqd->domain;
+ mutex_init(&irqd->irq_lock);
+
+ ret = request_threaded_irq(irq, NULL, lp8788_irq_handler,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ "lp8788-irq", irqd);
+ if (ret) {
+ dev_err(lp->dev, "failed to create a thread for IRQ_N\n");
+ return ret;
+ }
+
+ lp->irq = irq;
+
+ return 0;
+}
+
+void lp8788_irq_exit(struct lp8788 *lp)
+{
+ if (lp->irq)
+ free_irq(lp->irq, lp->irqdm);
+}
diff --git a/drivers/mfd/lp8788.c b/drivers/mfd/lp8788.c
new file mode 100644
index 000000000000..3e94a699833c
--- /dev/null
+++ b/drivers/mfd/lp8788.c
@@ -0,0 +1,245 @@
+/*
+ * TI LP8788 MFD - core interface
+ *
+ * Copyright 2012 Texas Instruments
+ *
+ * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/lp8788.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#define MAX_LP8788_REGISTERS 0xA2
+
+#define MFD_DEV_SIMPLE(_name) \
+{ \
+ .name = LP8788_DEV_##_name, \
+}
+
+#define MFD_DEV_WITH_ID(_name, _id) \
+{ \
+ .name = LP8788_DEV_##_name, \
+ .id = _id, \
+}
+
+#define MFD_DEV_WITH_RESOURCE(_name, _resource, num_resource) \
+{ \
+ .name = LP8788_DEV_##_name, \
+ .resources = _resource, \
+ .num_resources = num_resource, \
+}
+
+static struct resource chg_irqs[] = {
+ /* Charger Interrupts */
+ {
+ .start = LP8788_INT_CHG_INPUT_STATE,
+ .end = LP8788_INT_PRECHG_TIMEOUT,
+ .name = LP8788_CHG_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ /* Power Routing Switch Interrupts */
+ {
+ .start = LP8788_INT_ENTER_SYS_SUPPORT,
+ .end = LP8788_INT_EXIT_SYS_SUPPORT,
+ .name = LP8788_PRSW_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ /* Battery Interrupts */
+ {
+ .start = LP8788_INT_BATT_LOW,
+ .end = LP8788_INT_NO_BATT,
+ .name = LP8788_BATT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource rtc_irqs[] = {
+ {
+ .start = LP8788_INT_RTC_ALARM1,
+ .end = LP8788_INT_RTC_ALARM2,
+ .name = LP8788_ALM_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell lp8788_devs[] = {
+ /* 4 bucks */
+ MFD_DEV_WITH_ID(BUCK, 1),
+ MFD_DEV_WITH_ID(BUCK, 2),
+ MFD_DEV_WITH_ID(BUCK, 3),
+ MFD_DEV_WITH_ID(BUCK, 4),
+
+ /* 12 digital ldos */
+ MFD_DEV_WITH_ID(DLDO, 1),
+ MFD_DEV_WITH_ID(DLDO, 2),
+ MFD_DEV_WITH_ID(DLDO, 3),
+ MFD_DEV_WITH_ID(DLDO, 4),
+ MFD_DEV_WITH_ID(DLDO, 5),
+ MFD_DEV_WITH_ID(DLDO, 6),
+ MFD_DEV_WITH_ID(DLDO, 7),
+ MFD_DEV_WITH_ID(DLDO, 8),
+ MFD_DEV_WITH_ID(DLDO, 9),
+ MFD_DEV_WITH_ID(DLDO, 10),
+ MFD_DEV_WITH_ID(DLDO, 11),
+ MFD_DEV_WITH_ID(DLDO, 12),
+
+ /* 10 analog ldos */
+ MFD_DEV_WITH_ID(ALDO, 1),
+ MFD_DEV_WITH_ID(ALDO, 2),
+ MFD_DEV_WITH_ID(ALDO, 3),
+ MFD_DEV_WITH_ID(ALDO, 4),
+ MFD_DEV_WITH_ID(ALDO, 5),
+ MFD_DEV_WITH_ID(ALDO, 6),
+ MFD_DEV_WITH_ID(ALDO, 7),
+ MFD_DEV_WITH_ID(ALDO, 8),
+ MFD_DEV_WITH_ID(ALDO, 9),
+ MFD_DEV_WITH_ID(ALDO, 10),
+
+ /* ADC */
+ MFD_DEV_SIMPLE(ADC),
+
+ /* battery charger */
+ MFD_DEV_WITH_RESOURCE(CHARGER, chg_irqs, ARRAY_SIZE(chg_irqs)),
+
+ /* rtc */
+ MFD_DEV_WITH_RESOURCE(RTC, rtc_irqs, ARRAY_SIZE(rtc_irqs)),
+
+ /* backlight */
+ MFD_DEV_SIMPLE(BACKLIGHT),
+
+ /* current sink for vibrator */
+ MFD_DEV_SIMPLE(VIBRATOR),
+
+ /* current sink for keypad LED */
+ MFD_DEV_SIMPLE(KEYLED),
+};
+
+int lp8788_read_byte(struct lp8788 *lp, u8 reg, u8 *data)
+{
+ int ret;
+ unsigned int val;
+
+ ret = regmap_read(lp->regmap, reg, &val);
+ if (ret < 0) {
+ dev_err(lp->dev, "failed to read 0x%.2x\n", reg);
+ return ret;
+ }
+
+ *data = (u8)val;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(lp8788_read_byte);
+
+int lp8788_read_multi_bytes(struct lp8788 *lp, u8 reg, u8 *data, size_t count)
+{
+ return regmap_bulk_read(lp->regmap, reg, data, count);
+}
+EXPORT_SYMBOL_GPL(lp8788_read_multi_bytes);
+
+int lp8788_write_byte(struct lp8788 *lp, u8 reg, u8 data)
+{
+ return regmap_write(lp->regmap, reg, data);
+}
+EXPORT_SYMBOL_GPL(lp8788_write_byte);
+
+int lp8788_update_bits(struct lp8788 *lp, u8 reg, u8 mask, u8 data)
+{
+ return regmap_update_bits(lp->regmap, reg, mask, data);
+}
+EXPORT_SYMBOL_GPL(lp8788_update_bits);
+
+static int lp8788_platform_init(struct lp8788 *lp)
+{
+ struct lp8788_platform_data *pdata = lp->pdata;
+
+ return (pdata && pdata->init_func) ? pdata->init_func(lp) : 0;
+}
+
+static const struct regmap_config lp8788_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = MAX_LP8788_REGISTERS,
+};
+
+static int lp8788_probe(struct i2c_client *cl, const struct i2c_device_id *id)
+{
+ struct lp8788 *lp;
+ struct lp8788_platform_data *pdata = cl->dev.platform_data;
+ int ret;
+
+ lp = devm_kzalloc(&cl->dev, sizeof(struct lp8788), GFP_KERNEL);
+ if (!lp)
+ return -ENOMEM;
+
+ lp->regmap = devm_regmap_init_i2c(cl, &lp8788_regmap_config);
+ if (IS_ERR(lp->regmap)) {
+ ret = PTR_ERR(lp->regmap);
+ dev_err(&cl->dev, "regmap init i2c err: %d\n", ret);
+ return ret;
+ }
+
+ lp->pdata = pdata;
+ lp->dev = &cl->dev;
+ i2c_set_clientdata(cl, lp);
+
+ ret = lp8788_platform_init(lp);
+ if (ret)
+ return ret;
+
+ ret = lp8788_irq_init(lp, cl->irq);
+ if (ret)
+ return ret;
+
+ return mfd_add_devices(lp->dev, -1, lp8788_devs,
+ ARRAY_SIZE(lp8788_devs), NULL, 0, NULL);
+}
+
+static int __devexit lp8788_remove(struct i2c_client *cl)
+{
+ struct lp8788 *lp = i2c_get_clientdata(cl);
+
+ mfd_remove_devices(lp->dev);
+ lp8788_irq_exit(lp);
+ return 0;
+}
+
+static const struct i2c_device_id lp8788_ids[] = {
+ {"lp8788", 0},
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, lp8788_ids);
+
+static struct i2c_driver lp8788_driver = {
+ .driver = {
+ .name = "lp8788",
+ .owner = THIS_MODULE,
+ },
+ .probe = lp8788_probe,
+ .remove = __devexit_p(lp8788_remove),
+ .id_table = lp8788_ids,
+};
+
+static int __init lp8788_init(void)
+{
+ return i2c_add_driver(&lp8788_driver);
+}
+subsys_initcall(lp8788_init);
+
+static void __exit lp8788_exit(void)
+{
+ i2c_del_driver(&lp8788_driver);
+}
+module_exit(lp8788_exit);
+
+MODULE_DESCRIPTION("TI LP8788 MFD Driver");
+MODULE_AUTHOR("Milo Kim");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index 092ad4b44b6d..a22544fe5319 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -49,6 +49,7 @@
* document number TBD : DH89xxCC
* document number TBD : Panther Point
* document number TBD : Lynx Point
+ * document number TBD : Lynx Point-LP
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -192,6 +193,7 @@ enum lpc_chipsets {
LPC_DH89XXCC, /* DH89xxCC */
LPC_PPT, /* Panther Point */
LPC_LPT, /* Lynx Point */
+ LPC_LPT_LP, /* Lynx Point-LP */
};
struct lpc_ich_info lpc_chipset_info[] __devinitdata = {
@@ -468,6 +470,10 @@ struct lpc_ich_info lpc_chipset_info[] __devinitdata = {
.name = "Lynx Point",
.iTCO_version = 2,
},
+ [LPC_LPT_LP] = {
+ .name = "Lynx Point_LP",
+ .iTCO_version = 2,
+ },
};
/*
@@ -641,6 +647,14 @@ static DEFINE_PCI_DEVICE_TABLE(lpc_ich_ids) = {
{ PCI_VDEVICE(INTEL, 0x8c5d), LPC_LPT},
{ PCI_VDEVICE(INTEL, 0x8c5e), LPC_LPT},
{ PCI_VDEVICE(INTEL, 0x8c5f), LPC_LPT},
+ { PCI_VDEVICE(INTEL, 0x9c40), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c41), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c42), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c43), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c44), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c45), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c46), LPC_LPT_LP},
+ { PCI_VDEVICE(INTEL, 0x9c47), LPC_LPT_LP},
{ 0, }, /* End of list */
};
MODULE_DEVICE_TABLE(pci, lpc_ich_ids);
@@ -683,6 +697,30 @@ static void __devinit lpc_ich_finalize_cell(struct mfd_cell *cell,
cell->pdata_size = sizeof(struct lpc_ich_info);
}
+/*
+ * We don't check for resource conflict globally. There are 2 or 3 independent
+ * GPIO groups and it's enough to have access to one of these to instantiate
+ * the device.
+ */
+static int __devinit lpc_ich_check_conflict_gpio(struct resource *res)
+{
+ int ret;
+ u8 use_gpio = 0;
+
+ if (resource_size(res) >= 0x50 &&
+ !acpi_check_region(res->start + 0x40, 0x10, "LPC ICH GPIO3"))
+ use_gpio |= 1 << 2;
+
+ if (!acpi_check_region(res->start + 0x30, 0x10, "LPC ICH GPIO2"))
+ use_gpio |= 1 << 1;
+
+ ret = acpi_check_region(res->start + 0x00, 0x30, "LPC ICH GPIO1");
+ if (!ret)
+ use_gpio |= 1 << 0;
+
+ return use_gpio ? use_gpio : ret;
+}
+
static int __devinit lpc_ich_init_gpio(struct pci_dev *dev,
const struct pci_device_id *id)
{
@@ -740,12 +778,13 @@ gpe0_done:
break;
}
- ret = acpi_check_resource_conflict(res);
- if (ret) {
+ ret = lpc_ich_check_conflict_gpio(res);
+ if (ret < 0) {
/* this isn't necessarily fatal for the GPIO */
acpi_conflict = true;
goto gpio_done;
}
+ lpc_chipset_info[id->driver_data].use_gpio = ret;
lpc_ich_enable_gpio_space(dev);
lpc_ich_finalize_cell(&lpc_ich_cells[LPC_GPIO], id);
diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c
new file mode 100644
index 000000000000..17f2593d82b8
--- /dev/null
+++ b/drivers/mfd/max8907.c
@@ -0,0 +1,351 @@
+/*
+ * max8907.c - mfd driver for MAX8907
+ *
+ * Copyright (C) 2010 Gyungoh Yoo <jack.yoo@maxim-ic.com>
+ * Copyright (C) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/max8907.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+static struct mfd_cell max8907_cells[] = {
+ { .name = "max8907-regulator", },
+ { .name = "max8907-rtc", },
+};
+
+static bool max8907_gen_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MAX8907_REG_ON_OFF_IRQ1:
+ case MAX8907_REG_ON_OFF_STAT:
+ case MAX8907_REG_ON_OFF_IRQ2:
+ case MAX8907_REG_CHG_IRQ1:
+ case MAX8907_REG_CHG_IRQ2:
+ case MAX8907_REG_CHG_STAT:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool max8907_gen_is_precious_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MAX8907_REG_ON_OFF_IRQ1:
+ case MAX8907_REG_ON_OFF_IRQ2:
+ case MAX8907_REG_CHG_IRQ1:
+ case MAX8907_REG_CHG_IRQ2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool max8907_gen_is_writeable_reg(struct device *dev, unsigned int reg)
+{
+ return !max8907_gen_is_volatile_reg(dev, reg);
+}
+
+static const struct regmap_config max8907_regmap_gen_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .volatile_reg = max8907_gen_is_volatile_reg,
+ .precious_reg = max8907_gen_is_precious_reg,
+ .writeable_reg = max8907_gen_is_writeable_reg,
+ .max_register = MAX8907_REG_LDO20VOUT,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static bool max8907_rtc_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ if (reg <= MAX8907_REG_RTC_YEAR2)
+ return true;
+
+ switch (reg) {
+ case MAX8907_REG_RTC_STATUS:
+ case MAX8907_REG_RTC_IRQ:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool max8907_rtc_is_precious_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MAX8907_REG_RTC_IRQ:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool max8907_rtc_is_writeable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MAX8907_REG_RTC_STATUS:
+ case MAX8907_REG_RTC_IRQ:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static const struct regmap_config max8907_regmap_rtc_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .volatile_reg = max8907_rtc_is_volatile_reg,
+ .precious_reg = max8907_rtc_is_precious_reg,
+ .writeable_reg = max8907_rtc_is_writeable_reg,
+ .max_register = MAX8907_REG_MPL_CNTL,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static const struct regmap_irq max8907_chg_irqs[] = {
+ { .reg_offset = 0, .mask = 1 << 0, },
+ { .reg_offset = 0, .mask = 1 << 1, },
+ { .reg_offset = 0, .mask = 1 << 2, },
+ { .reg_offset = 1, .mask = 1 << 0, },
+ { .reg_offset = 1, .mask = 1 << 1, },
+ { .reg_offset = 1, .mask = 1 << 2, },
+ { .reg_offset = 1, .mask = 1 << 3, },
+ { .reg_offset = 1, .mask = 1 << 4, },
+ { .reg_offset = 1, .mask = 1 << 5, },
+ { .reg_offset = 1, .mask = 1 << 6, },
+ { .reg_offset = 1, .mask = 1 << 7, },
+};
+
+static const struct regmap_irq_chip max8907_chg_irq_chip = {
+ .name = "max8907 chg",
+ .status_base = MAX8907_REG_CHG_IRQ1,
+ .mask_base = MAX8907_REG_CHG_IRQ1_MASK,
+ .wake_base = MAX8907_REG_CHG_IRQ1_MASK,
+ .irq_reg_stride = MAX8907_REG_CHG_IRQ2 - MAX8907_REG_CHG_IRQ1,
+ .num_regs = 2,
+ .irqs = max8907_chg_irqs,
+ .num_irqs = ARRAY_SIZE(max8907_chg_irqs),
+};
+
+static const struct regmap_irq max8907_on_off_irqs[] = {
+ { .reg_offset = 0, .mask = 1 << 0, },
+ { .reg_offset = 0, .mask = 1 << 1, },
+ { .reg_offset = 0, .mask = 1 << 2, },
+ { .reg_offset = 0, .mask = 1 << 3, },
+ { .reg_offset = 0, .mask = 1 << 4, },
+ { .reg_offset = 0, .mask = 1 << 5, },
+ { .reg_offset = 0, .mask = 1 << 6, },
+ { .reg_offset = 0, .mask = 1 << 7, },
+ { .reg_offset = 1, .mask = 1 << 0, },
+ { .reg_offset = 1, .mask = 1 << 1, },
+};
+
+static const struct regmap_irq_chip max8907_on_off_irq_chip = {
+ .name = "max8907 on_off",
+ .status_base = MAX8907_REG_ON_OFF_IRQ1,
+ .mask_base = MAX8907_REG_ON_OFF_IRQ1_MASK,
+ .irq_reg_stride = MAX8907_REG_ON_OFF_IRQ2 - MAX8907_REG_ON_OFF_IRQ1,
+ .num_regs = 2,
+ .irqs = max8907_on_off_irqs,
+ .num_irqs = ARRAY_SIZE(max8907_on_off_irqs),
+};
+
+static const struct regmap_irq max8907_rtc_irqs[] = {
+ { .reg_offset = 0, .mask = 1 << 2, },
+ { .reg_offset = 0, .mask = 1 << 3, },
+};
+
+static const struct regmap_irq_chip max8907_rtc_irq_chip = {
+ .name = "max8907 rtc",
+ .status_base = MAX8907_REG_RTC_IRQ,
+ .mask_base = MAX8907_REG_RTC_IRQ_MASK,
+ .num_regs = 1,
+ .irqs = max8907_rtc_irqs,
+ .num_irqs = ARRAY_SIZE(max8907_rtc_irqs),
+};
+
+static struct max8907 *max8907_pm_off;
+static void max8907_power_off(void)
+{
+ regmap_update_bits(max8907_pm_off->regmap_gen, MAX8907_REG_RESET_CNFG,
+ MAX8907_MASK_POWER_OFF, MAX8907_MASK_POWER_OFF);
+}
+
+static __devinit int max8907_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct max8907 *max8907;
+ int ret;
+ struct max8907_platform_data *pdata = dev_get_platdata(&i2c->dev);
+ bool pm_off = false;
+
+ if (pdata)
+ pm_off = pdata->pm_off;
+ else if (i2c->dev.of_node)
+ pm_off = of_property_read_bool(i2c->dev.of_node,
+ "maxim,system-power-controller");
+
+ max8907 = devm_kzalloc(&i2c->dev, sizeof(struct max8907), GFP_KERNEL);
+ if (!max8907) {
+ ret = -ENOMEM;
+ goto err_alloc_drvdata;
+ }
+
+ max8907->dev = &i2c->dev;
+ dev_set_drvdata(max8907->dev, max8907);
+
+ max8907->i2c_gen = i2c;
+ i2c_set_clientdata(i2c, max8907);
+ max8907->regmap_gen = devm_regmap_init_i2c(i2c,
+ &max8907_regmap_gen_config);
+ if (IS_ERR(max8907->regmap_gen)) {
+ ret = PTR_ERR(max8907->regmap_gen);
+ dev_err(&i2c->dev, "gen regmap init failed: %d\n", ret);
+ goto err_regmap_gen;
+ }
+
+ max8907->i2c_rtc = i2c_new_dummy(i2c->adapter, MAX8907_RTC_I2C_ADDR);
+ if (!max8907->i2c_rtc) {
+ ret = -ENOMEM;
+ goto err_dummy_rtc;
+ }
+ i2c_set_clientdata(max8907->i2c_rtc, max8907);
+ max8907->regmap_rtc = devm_regmap_init_i2c(max8907->i2c_rtc,
+ &max8907_regmap_rtc_config);
+ if (IS_ERR(max8907->regmap_rtc)) {
+ ret = PTR_ERR(max8907->regmap_rtc);
+ dev_err(&i2c->dev, "rtc regmap init failed: %d\n", ret);
+ goto err_regmap_rtc;
+ }
+
+ irq_set_status_flags(max8907->i2c_gen->irq, IRQ_NOAUTOEN);
+
+ ret = regmap_add_irq_chip(max8907->regmap_gen, max8907->i2c_gen->irq,
+ IRQF_ONESHOT | IRQF_SHARED, -1,
+ &max8907_chg_irq_chip,
+ &max8907->irqc_chg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "failed to add chg irq chip: %d\n", ret);
+ goto err_irqc_chg;
+ }
+ ret = regmap_add_irq_chip(max8907->regmap_gen, max8907->i2c_gen->irq,
+ IRQF_ONESHOT | IRQF_SHARED, -1,
+ &max8907_on_off_irq_chip,
+ &max8907->irqc_on_off);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "failed to add on off irq chip: %d\n", ret);
+ goto err_irqc_on_off;
+ }
+ ret = regmap_add_irq_chip(max8907->regmap_rtc, max8907->i2c_gen->irq,
+ IRQF_ONESHOT | IRQF_SHARED, -1,
+ &max8907_rtc_irq_chip,
+ &max8907->irqc_rtc);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "failed to add rtc irq chip: %d\n", ret);
+ goto err_irqc_rtc;
+ }
+
+ enable_irq(max8907->i2c_gen->irq);
+
+ ret = mfd_add_devices(max8907->dev, -1, max8907_cells,
+ ARRAY_SIZE(max8907_cells), NULL, 0, NULL);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "failed to add MFD devices %d\n", ret);
+ goto err_add_devices;
+ }
+
+ if (pm_off && !pm_power_off) {
+ max8907_pm_off = max8907;
+ pm_power_off = max8907_power_off;
+ }
+
+ return 0;
+
+err_add_devices:
+ regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_rtc);
+err_irqc_rtc:
+ regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_on_off);
+err_irqc_on_off:
+ regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_chg);
+err_irqc_chg:
+err_regmap_rtc:
+ i2c_unregister_device(max8907->i2c_rtc);
+err_dummy_rtc:
+err_regmap_gen:
+err_alloc_drvdata:
+ return ret;
+}
+
+static __devexit int max8907_i2c_remove(struct i2c_client *i2c)
+{
+ struct max8907 *max8907 = i2c_get_clientdata(i2c);
+
+ mfd_remove_devices(max8907->dev);
+
+ regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_rtc);
+ regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_on_off);
+ regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_chg);
+
+ i2c_unregister_device(max8907->i2c_rtc);
+
+ return 0;
+}
+
+#ifdef CONFIG_OF
+static struct of_device_id max8907_of_match[] = {
+ { .compatible = "maxim,max8907" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, max8907_of_match);
+#endif
+
+static const struct i2c_device_id max8907_i2c_id[] = {
+ {"max8907", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, max8907_i2c_id);
+
+static struct i2c_driver max8907_i2c_driver = {
+ .driver = {
+ .name = "max8907",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(max8907_of_match),
+ },
+ .probe = max8907_i2c_probe,
+ .remove = max8907_i2c_remove,
+ .id_table = max8907_i2c_id,
+};
+
+static int __init max8907_i2c_init(void)
+{
+ int ret = -ENODEV;
+
+ ret = i2c_add_driver(&max8907_i2c_driver);
+ if (ret != 0)
+ pr_err("Failed to register I2C driver: %d\n", ret);
+
+ return ret;
+}
+subsys_initcall(max8907_i2c_init);
+
+static void __exit max8907_i2c_exit(void)
+{
+ i2c_del_driver(&max8907_i2c_driver);
+}
+module_exit(max8907_i2c_exit);
+
+MODULE_DESCRIPTION("MAX8907 multi-function core driver");
+MODULE_AUTHOR("Gyungoh Yoo <jack.yoo@maxim-ic.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c
index ee53757beca7..9f54c04912f2 100644
--- a/drivers/mfd/max8925-core.c
+++ b/drivers/mfd/max8925-core.c
@@ -15,23 +15,20 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
#include <linux/mfd/core.h>
#include <linux/mfd/max8925.h>
-static struct resource backlight_resources[] = {
- {
- .name = "max8925-backlight",
- .start = MAX8925_WLED_MODE_CNTL,
- .end = MAX8925_WLED_CNTL,
- .flags = IORESOURCE_IO,
- },
+static struct resource bk_resources[] __devinitdata = {
+ { 0x84, 0x84, "mode control", IORESOURCE_REG, },
+ { 0x85, 0x85, "control", IORESOURCE_REG, },
};
-static struct mfd_cell backlight_devs[] = {
+static struct mfd_cell bk_devs[] __devinitdata = {
{
.name = "max8925-backlight",
- .num_resources = 1,
- .resources = &backlight_resources[0],
+ .num_resources = ARRAY_SIZE(bk_resources),
+ .resources = &bk_resources[0],
.id = -1,
},
};
@@ -41,7 +38,7 @@ static struct resource touch_resources[] = {
.name = "max8925-tsc",
.start = MAX8925_TSC_IRQ,
.end = MAX8925_ADC_RES_END,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
};
@@ -59,7 +56,7 @@ static struct resource power_supply_resources[] = {
.name = "max8925-power",
.start = MAX8925_CHG_IRQ1,
.end = MAX8925_CHG_IRQ1_MASK,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
};
@@ -113,71 +110,215 @@ static struct mfd_cell onkey_devs[] = {
},
};
-#define MAX8925_REG_RESOURCE(_start, _end) \
-{ \
- .start = MAX8925_##_start, \
- .end = MAX8925_##_end, \
- .flags = IORESOURCE_IO, \
-}
+static struct resource sd1_resources[] __devinitdata = {
+ {0x06, 0x06, "sdv", IORESOURCE_REG, },
+};
-static struct resource regulator_resources[] = {
- MAX8925_REG_RESOURCE(SDCTL1, SDCTL1),
- MAX8925_REG_RESOURCE(SDCTL2, SDCTL2),
- MAX8925_REG_RESOURCE(SDCTL3, SDCTL3),
- MAX8925_REG_RESOURCE(LDOCTL1, LDOCTL1),
- MAX8925_REG_RESOURCE(LDOCTL2, LDOCTL2),
- MAX8925_REG_RESOURCE(LDOCTL3, LDOCTL3),
- MAX8925_REG_RESOURCE(LDOCTL4, LDOCTL4),
- MAX8925_REG_RESOURCE(LDOCTL5, LDOCTL5),
- MAX8925_REG_RESOURCE(LDOCTL6, LDOCTL6),
- MAX8925_REG_RESOURCE(LDOCTL7, LDOCTL7),
- MAX8925_REG_RESOURCE(LDOCTL8, LDOCTL8),
- MAX8925_REG_RESOURCE(LDOCTL9, LDOCTL9),
- MAX8925_REG_RESOURCE(LDOCTL10, LDOCTL10),
- MAX8925_REG_RESOURCE(LDOCTL11, LDOCTL11),
- MAX8925_REG_RESOURCE(LDOCTL12, LDOCTL12),
- MAX8925_REG_RESOURCE(LDOCTL13, LDOCTL13),
- MAX8925_REG_RESOURCE(LDOCTL14, LDOCTL14),
- MAX8925_REG_RESOURCE(LDOCTL15, LDOCTL15),
- MAX8925_REG_RESOURCE(LDOCTL16, LDOCTL16),
- MAX8925_REG_RESOURCE(LDOCTL17, LDOCTL17),
- MAX8925_REG_RESOURCE(LDOCTL18, LDOCTL18),
- MAX8925_REG_RESOURCE(LDOCTL19, LDOCTL19),
- MAX8925_REG_RESOURCE(LDOCTL20, LDOCTL20),
-};
-
-#define MAX8925_REG_DEVS(_id) \
-{ \
- .name = "max8925-regulator", \
- .num_resources = 1, \
- .resources = &regulator_resources[MAX8925_ID_##_id], \
- .id = MAX8925_ID_##_id, \
-}
+static struct resource sd2_resources[] __devinitdata = {
+ {0x09, 0x09, "sdv", IORESOURCE_REG, },
+};
+
+static struct resource sd3_resources[] __devinitdata = {
+ {0x0c, 0x0c, "sdv", IORESOURCE_REG, },
+};
+
+static struct resource ldo1_resources[] __devinitdata = {
+ {0x1a, 0x1a, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo2_resources[] __devinitdata = {
+ {0x1e, 0x1e, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo3_resources[] __devinitdata = {
+ {0x22, 0x22, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo4_resources[] __devinitdata = {
+ {0x26, 0x26, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo5_resources[] __devinitdata = {
+ {0x2a, 0x2a, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo6_resources[] __devinitdata = {
+ {0x2e, 0x2e, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo7_resources[] __devinitdata = {
+ {0x32, 0x32, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo8_resources[] __devinitdata = {
+ {0x36, 0x36, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo9_resources[] __devinitdata = {
+ {0x3a, 0x3a, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo10_resources[] __devinitdata = {
+ {0x3e, 0x3e, "ldov", IORESOURCE_REG, },
+};
-static struct mfd_cell regulator_devs[] = {
- MAX8925_REG_DEVS(SD1),
- MAX8925_REG_DEVS(SD2),
- MAX8925_REG_DEVS(SD3),
- MAX8925_REG_DEVS(LDO1),
- MAX8925_REG_DEVS(LDO2),
- MAX8925_REG_DEVS(LDO3),
- MAX8925_REG_DEVS(LDO4),
- MAX8925_REG_DEVS(LDO5),
- MAX8925_REG_DEVS(LDO6),
- MAX8925_REG_DEVS(LDO7),
- MAX8925_REG_DEVS(LDO8),
- MAX8925_REG_DEVS(LDO9),
- MAX8925_REG_DEVS(LDO10),
- MAX8925_REG_DEVS(LDO11),
- MAX8925_REG_DEVS(LDO12),
- MAX8925_REG_DEVS(LDO13),
- MAX8925_REG_DEVS(LDO14),
- MAX8925_REG_DEVS(LDO15),
- MAX8925_REG_DEVS(LDO16),
- MAX8925_REG_DEVS(LDO17),
- MAX8925_REG_DEVS(LDO18),
- MAX8925_REG_DEVS(LDO19),
- MAX8925_REG_DEVS(LDO20),
+static struct resource ldo11_resources[] __devinitdata = {
+ {0x42, 0x42, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo12_resources[] __devinitdata = {
+ {0x46, 0x46, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo13_resources[] __devinitdata = {
+ {0x4a, 0x4a, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo14_resources[] __devinitdata = {
+ {0x4e, 0x4e, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo15_resources[] __devinitdata = {
+ {0x52, 0x52, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo16_resources[] __devinitdata = {
+ {0x12, 0x12, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo17_resources[] __devinitdata = {
+ {0x16, 0x16, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo18_resources[] __devinitdata = {
+ {0x74, 0x74, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo19_resources[] __devinitdata = {
+ {0x5e, 0x5e, "ldov", IORESOURCE_REG, },
+};
+
+static struct resource ldo20_resources[] __devinitdata = {
+ {0x9e, 0x9e, "ldov", IORESOURCE_REG, },
+};
+
+static struct mfd_cell reg_devs[] __devinitdata = {
+ {
+ .name = "max8925-regulator",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(sd1_resources),
+ .resources = sd1_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(sd2_resources),
+ .resources = sd2_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(sd3_resources),
+ .resources = sd3_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(ldo1_resources),
+ .resources = ldo1_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(ldo2_resources),
+ .resources = ldo2_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(ldo3_resources),
+ .resources = ldo3_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 6,
+ .num_resources = ARRAY_SIZE(ldo4_resources),
+ .resources = ldo4_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 7,
+ .num_resources = ARRAY_SIZE(ldo5_resources),
+ .resources = ldo5_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 8,
+ .num_resources = ARRAY_SIZE(ldo6_resources),
+ .resources = ldo6_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 9,
+ .num_resources = ARRAY_SIZE(ldo7_resources),
+ .resources = ldo7_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 10,
+ .num_resources = ARRAY_SIZE(ldo8_resources),
+ .resources = ldo8_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 11,
+ .num_resources = ARRAY_SIZE(ldo9_resources),
+ .resources = ldo9_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 12,
+ .num_resources = ARRAY_SIZE(ldo10_resources),
+ .resources = ldo10_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 13,
+ .num_resources = ARRAY_SIZE(ldo11_resources),
+ .resources = ldo11_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 14,
+ .num_resources = ARRAY_SIZE(ldo12_resources),
+ .resources = ldo12_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 15,
+ .num_resources = ARRAY_SIZE(ldo13_resources),
+ .resources = ldo13_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 16,
+ .num_resources = ARRAY_SIZE(ldo14_resources),
+ .resources = ldo14_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 17,
+ .num_resources = ARRAY_SIZE(ldo15_resources),
+ .resources = ldo15_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 18,
+ .num_resources = ARRAY_SIZE(ldo16_resources),
+ .resources = ldo16_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 19,
+ .num_resources = ARRAY_SIZE(ldo17_resources),
+ .resources = ldo17_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 20,
+ .num_resources = ARRAY_SIZE(ldo18_resources),
+ .resources = ldo18_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 21,
+ .num_resources = ARRAY_SIZE(ldo19_resources),
+ .resources = ldo19_resources,
+ }, {
+ .name = "max8925-regulator",
+ .id = 22,
+ .num_resources = ARRAY_SIZE(ldo20_resources),
+ .resources = ldo20_resources,
+ },
};
enum {
@@ -547,7 +688,7 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq,
goto tsc_irq;
}
- ret = request_threaded_irq(irq, NULL, max8925_irq, flags,
+ ret = request_threaded_irq(irq, NULL, max8925_irq, flags | IRQF_ONESHOT,
"max8925", chip);
if (ret) {
dev_err(chip->dev, "Failed to request core IRQ: %d\n", ret);
@@ -565,7 +706,7 @@ tsc_irq:
chip->tsc_irq = pdata->tsc_irq;
ret = request_threaded_irq(chip->tsc_irq, NULL, max8925_tsc_irq,
- flags, "max8925-tsc", chip);
+ flags | IRQF_ONESHOT, "max8925-tsc", chip);
if (ret) {
dev_err(chip->dev, "Failed to request TSC IRQ: %d\n", ret);
chip->tsc_irq = 0;
@@ -573,6 +714,113 @@ tsc_irq:
return 0;
}
+static void __devinit init_regulator(struct max8925_chip *chip,
+ struct max8925_platform_data *pdata)
+{
+ int ret;
+
+ if (!pdata)
+ return;
+ if (pdata->sd1) {
+ reg_devs[0].platform_data = pdata->sd1;
+ reg_devs[0].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->sd2) {
+ reg_devs[1].platform_data = pdata->sd2;
+ reg_devs[1].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->sd3) {
+ reg_devs[2].platform_data = pdata->sd3;
+ reg_devs[2].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo1) {
+ reg_devs[3].platform_data = pdata->ldo1;
+ reg_devs[3].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo2) {
+ reg_devs[4].platform_data = pdata->ldo2;
+ reg_devs[4].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo3) {
+ reg_devs[5].platform_data = pdata->ldo3;
+ reg_devs[5].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo4) {
+ reg_devs[6].platform_data = pdata->ldo4;
+ reg_devs[6].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo5) {
+ reg_devs[7].platform_data = pdata->ldo5;
+ reg_devs[7].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo6) {
+ reg_devs[8].platform_data = pdata->ldo6;
+ reg_devs[8].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo7) {
+ reg_devs[9].platform_data = pdata->ldo7;
+ reg_devs[9].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo8) {
+ reg_devs[10].platform_data = pdata->ldo8;
+ reg_devs[10].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo9) {
+ reg_devs[11].platform_data = pdata->ldo9;
+ reg_devs[11].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo10) {
+ reg_devs[12].platform_data = pdata->ldo10;
+ reg_devs[12].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo11) {
+ reg_devs[13].platform_data = pdata->ldo11;
+ reg_devs[13].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo12) {
+ reg_devs[14].platform_data = pdata->ldo12;
+ reg_devs[14].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo13) {
+ reg_devs[15].platform_data = pdata->ldo13;
+ reg_devs[15].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo14) {
+ reg_devs[16].platform_data = pdata->ldo14;
+ reg_devs[16].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo15) {
+ reg_devs[17].platform_data = pdata->ldo15;
+ reg_devs[17].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo16) {
+ reg_devs[18].platform_data = pdata->ldo16;
+ reg_devs[18].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo17) {
+ reg_devs[19].platform_data = pdata->ldo17;
+ reg_devs[19].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo18) {
+ reg_devs[20].platform_data = pdata->ldo18;
+ reg_devs[20].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo19) {
+ reg_devs[21].platform_data = pdata->ldo19;
+ reg_devs[21].pdata_size = sizeof(struct regulator_init_data);
+ }
+ if (pdata->ldo20) {
+ reg_devs[22].platform_data = pdata->ldo20;
+ reg_devs[22].pdata_size = sizeof(struct regulator_init_data);
+ }
+ ret = mfd_add_devices(chip->dev, 0, reg_devs, ARRAY_SIZE(reg_devs),
+ NULL, 0, NULL);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add regulator subdev\n");
+ return;
+ }
+}
+
int __devinit max8925_device_init(struct max8925_chip *chip,
struct max8925_platform_data *pdata)
{
@@ -612,24 +860,17 @@ int __devinit max8925_device_init(struct max8925_chip *chip,
goto out_dev;
}
- if (pdata) {
- ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
- ARRAY_SIZE(regulator_devs),
- &regulator_resources[0], 0, NULL);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to add regulator subdev\n");
- goto out_dev;
- }
- }
+ init_regulator(chip, pdata);
if (pdata && pdata->backlight) {
- ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
- ARRAY_SIZE(backlight_devs),
- &backlight_resources[0], 0, NULL);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to add backlight subdev\n");
- goto out_dev;
- }
+ bk_devs[0].platform_data = &pdata->backlight;
+ bk_devs[0].pdata_size = sizeof(struct max8925_backlight_pdata);
+ }
+ ret = mfd_add_devices(chip->dev, 0, bk_devs, ARRAY_SIZE(bk_devs),
+ NULL, 0, NULL);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add backlight subdev\n");
+ goto out_dev;
}
if (pdata && pdata->power) {
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index 1ec79b54bd2f..1aba0238f426 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -676,7 +676,6 @@ int mc13xxx_common_init(struct mc13xxx *mc13xxx,
err_mask:
err_revision:
mc13xxx_unlock(mc13xxx);
- kfree(mc13xxx);
return ret;
}
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 41088ecbb2a9..23cec57c02ba 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -21,7 +21,6 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/delay.h>
-#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/spinlock.h>
@@ -36,63 +35,6 @@
/* OMAP USBHOST Register addresses */
-/* TLL Register Set */
-#define OMAP_USBTLL_REVISION (0x00)
-#define OMAP_USBTLL_SYSCONFIG (0x10)
-#define OMAP_USBTLL_SYSCONFIG_CACTIVITY (1 << 8)
-#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE (1 << 3)
-#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP (1 << 2)
-#define OMAP_USBTLL_SYSCONFIG_SOFTRESET (1 << 1)
-#define OMAP_USBTLL_SYSCONFIG_AUTOIDLE (1 << 0)
-
-#define OMAP_USBTLL_SYSSTATUS (0x14)
-#define OMAP_USBTLL_SYSSTATUS_RESETDONE (1 << 0)
-
-#define OMAP_USBTLL_IRQSTATUS (0x18)
-#define OMAP_USBTLL_IRQENABLE (0x1C)
-
-#define OMAP_TLL_SHARED_CONF (0x30)
-#define OMAP_TLL_SHARED_CONF_USB_90D_DDR_EN (1 << 6)
-#define OMAP_TLL_SHARED_CONF_USB_180D_SDR_EN (1 << 5)
-#define OMAP_TLL_SHARED_CONF_USB_DIVRATION (1 << 2)
-#define OMAP_TLL_SHARED_CONF_FCLK_REQ (1 << 1)
-#define OMAP_TLL_SHARED_CONF_FCLK_IS_ON (1 << 0)
-
-#define OMAP_TLL_CHANNEL_CONF(num) (0x040 + 0x004 * num)
-#define OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT 24
-#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11)
-#define OMAP_TLL_CHANNEL_CONF_ULPI_ULPIAUTOIDLE (1 << 10)
-#define OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE (1 << 9)
-#define OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE (1 << 8)
-#define OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS (1 << 1)
-#define OMAP_TLL_CHANNEL_CONF_CHANEN (1 << 0)
-
-#define OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0 0x0
-#define OMAP_TLL_FSLSMODE_6PIN_PHY_DP_DM 0x1
-#define OMAP_TLL_FSLSMODE_3PIN_PHY 0x2
-#define OMAP_TLL_FSLSMODE_4PIN_PHY 0x3
-#define OMAP_TLL_FSLSMODE_6PIN_TLL_DAT_SE0 0x4
-#define OMAP_TLL_FSLSMODE_6PIN_TLL_DP_DM 0x5
-#define OMAP_TLL_FSLSMODE_3PIN_TLL 0x6
-#define OMAP_TLL_FSLSMODE_4PIN_TLL 0x7
-#define OMAP_TLL_FSLSMODE_2PIN_TLL_DAT_SE0 0xA
-#define OMAP_TLL_FSLSMODE_2PIN_DAT_DP_DM 0xB
-
-#define OMAP_TLL_ULPI_FUNCTION_CTRL(num) (0x804 + 0x100 * num)
-#define OMAP_TLL_ULPI_INTERFACE_CTRL(num) (0x807 + 0x100 * num)
-#define OMAP_TLL_ULPI_OTG_CTRL(num) (0x80A + 0x100 * num)
-#define OMAP_TLL_ULPI_INT_EN_RISE(num) (0x80D + 0x100 * num)
-#define OMAP_TLL_ULPI_INT_EN_FALL(num) (0x810 + 0x100 * num)
-#define OMAP_TLL_ULPI_INT_STATUS(num) (0x813 + 0x100 * num)
-#define OMAP_TLL_ULPI_INT_LATCH(num) (0x814 + 0x100 * num)
-#define OMAP_TLL_ULPI_DEBUG(num) (0x815 + 0x100 * num)
-#define OMAP_TLL_ULPI_SCRATCH_REGISTER(num) (0x816 + 0x100 * num)
-
-#define OMAP_TLL_CHANNEL_COUNT 3
-#define OMAP_TLL_CHANNEL_1_EN_MASK (1 << 0)
-#define OMAP_TLL_CHANNEL_2_EN_MASK (1 << 1)
-#define OMAP_TLL_CHANNEL_3_EN_MASK (1 << 2)
-
/* UHH Register Set */
#define OMAP_UHH_REVISION (0x00)
#define OMAP_UHH_SYSCONFIG (0x10)
@@ -132,8 +74,6 @@
#define OMAP4_P2_MODE_TLL (1 << 18)
#define OMAP4_P2_MODE_HSIC (3 << 18)
-#define OMAP_REV2_TLL_CHANNEL_COUNT 2
-
#define OMAP_UHH_DEBUG_CSR (0x44)
/* Values of UHH_REVISION - Note: these are not given in the TRM */
@@ -153,15 +93,12 @@ struct usbhs_hcd_omap {
struct clk *xclk60mhsp2_ck;
struct clk *utmi_p1_fck;
struct clk *usbhost_p1_fck;
- struct clk *usbtll_p1_fck;
struct clk *utmi_p2_fck;
struct clk *usbhost_p2_fck;
- struct clk *usbtll_p2_fck;
struct clk *init_60m_fclk;
struct clk *ehci_logic_fck;
void __iomem *uhh_base;
- void __iomem *tll_base;
struct usbhs_omap_platform_data platdata;
@@ -336,93 +273,6 @@ static bool is_ohci_port(enum usbhs_omap_port_mode pmode)
}
}
-/*
- * convert the port-mode enum to a value we can use in the FSLSMODE
- * field of USBTLL_CHANNEL_CONF
- */
-static unsigned ohci_omap3_fslsmode(enum usbhs_omap_port_mode mode)
-{
- switch (mode) {
- case OMAP_USBHS_PORT_MODE_UNUSED:
- case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
- return OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0;
-
- case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
- return OMAP_TLL_FSLSMODE_6PIN_PHY_DP_DM;
-
- case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
- return OMAP_TLL_FSLSMODE_3PIN_PHY;
-
- case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
- return OMAP_TLL_FSLSMODE_4PIN_PHY;
-
- case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
- return OMAP_TLL_FSLSMODE_6PIN_TLL_DAT_SE0;
-
- case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
- return OMAP_TLL_FSLSMODE_6PIN_TLL_DP_DM;
-
- case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
- return OMAP_TLL_FSLSMODE_3PIN_TLL;
-
- case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
- return OMAP_TLL_FSLSMODE_4PIN_TLL;
-
- case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
- return OMAP_TLL_FSLSMODE_2PIN_TLL_DAT_SE0;
-
- case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
- return OMAP_TLL_FSLSMODE_2PIN_DAT_DP_DM;
- default:
- pr_warning("Invalid port mode, using default\n");
- return OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0;
- }
-}
-
-static void usbhs_omap_tll_init(struct device *dev, u8 tll_channel_count)
-{
- struct usbhs_hcd_omap *omap = dev_get_drvdata(dev);
- struct usbhs_omap_platform_data *pdata = dev->platform_data;
- unsigned reg;
- int i;
-
- /* Program Common TLL register */
- reg = usbhs_read(omap->tll_base, OMAP_TLL_SHARED_CONF);
- reg |= (OMAP_TLL_SHARED_CONF_FCLK_IS_ON
- | OMAP_TLL_SHARED_CONF_USB_DIVRATION);
- reg &= ~OMAP_TLL_SHARED_CONF_USB_90D_DDR_EN;
- reg &= ~OMAP_TLL_SHARED_CONF_USB_180D_SDR_EN;
-
- usbhs_write(omap->tll_base, OMAP_TLL_SHARED_CONF, reg);
-
- /* Enable channels now */
- for (i = 0; i < tll_channel_count; i++) {
- reg = usbhs_read(omap->tll_base,
- OMAP_TLL_CHANNEL_CONF(i));
-
- if (is_ohci_port(pdata->port_mode[i])) {
- reg |= ohci_omap3_fslsmode(pdata->port_mode[i])
- << OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT;
- reg |= OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS;
- } else if (pdata->port_mode[i] == OMAP_EHCI_PORT_MODE_TLL) {
-
- /* Disable AutoIdle, BitStuffing and use SDR Mode */
- reg &= ~(OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE
- | OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF
- | OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE);
-
- } else
- continue;
-
- reg |= OMAP_TLL_CHANNEL_CONF_CHANEN;
- usbhs_write(omap->tll_base,
- OMAP_TLL_CHANNEL_CONF(i), reg);
-
- usbhs_writeb(omap->tll_base,
- OMAP_TLL_ULPI_SCRATCH_REGISTER(i), 0xbe);
- }
-}
-
static int usbhs_runtime_resume(struct device *dev)
{
struct usbhs_hcd_omap *omap = dev_get_drvdata(dev);
@@ -436,19 +286,17 @@ static int usbhs_runtime_resume(struct device *dev)
return -ENODEV;
}
+ omap_tll_enable();
spin_lock_irqsave(&omap->lock, flags);
if (omap->ehci_logic_fck && !IS_ERR(omap->ehci_logic_fck))
clk_enable(omap->ehci_logic_fck);
- if (is_ehci_tll_mode(pdata->port_mode[0])) {
+ if (is_ehci_tll_mode(pdata->port_mode[0]))
clk_enable(omap->usbhost_p1_fck);
- clk_enable(omap->usbtll_p1_fck);
- }
- if (is_ehci_tll_mode(pdata->port_mode[1])) {
+ if (is_ehci_tll_mode(pdata->port_mode[1]))
clk_enable(omap->usbhost_p2_fck);
- clk_enable(omap->usbtll_p2_fck);
- }
+
clk_enable(omap->utmi_p1_fck);
clk_enable(omap->utmi_p2_fck);
@@ -472,14 +320,11 @@ static int usbhs_runtime_suspend(struct device *dev)
spin_lock_irqsave(&omap->lock, flags);
- if (is_ehci_tll_mode(pdata->port_mode[0])) {
+ if (is_ehci_tll_mode(pdata->port_mode[0]))
clk_disable(omap->usbhost_p1_fck);
- clk_disable(omap->usbtll_p1_fck);
- }
- if (is_ehci_tll_mode(pdata->port_mode[1])) {
+ if (is_ehci_tll_mode(pdata->port_mode[1]))
clk_disable(omap->usbhost_p2_fck);
- clk_disable(omap->usbtll_p2_fck);
- }
+
clk_disable(omap->utmi_p2_fck);
clk_disable(omap->utmi_p1_fck);
@@ -487,6 +332,7 @@ static int usbhs_runtime_suspend(struct device *dev)
clk_disable(omap->ehci_logic_fck);
spin_unlock_irqrestore(&omap->lock, flags);
+ omap_tll_disable();
return 0;
}
@@ -500,8 +346,6 @@ static void omap_usbhs_init(struct device *dev)
dev_dbg(dev, "starting TI HSUSB Controller\n");
- pm_runtime_get_sync(dev);
-
if (pdata->ehci_data->phy_reset) {
if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0]))
gpio_request_one(pdata->ehci_data->reset_gpio_port[0],
@@ -515,6 +359,7 @@ static void omap_usbhs_init(struct device *dev)
udelay(10);
}
+ pm_runtime_get_sync(dev);
spin_lock_irqsave(&omap->lock, flags);
omap->usbhs_rev = usbhs_read(omap->uhh_base, OMAP_UHH_REVISION);
dev_dbg(dev, "OMAP UHH_REVISION 0x%x\n", omap->usbhs_rev);
@@ -580,22 +425,9 @@ static void omap_usbhs_init(struct device *dev)
usbhs_write(omap->uhh_base, OMAP_UHH_HOSTCONFIG, reg);
dev_dbg(dev, "UHH setup done, uhh_hostconfig=%x\n", reg);
- if (is_ehci_tll_mode(pdata->port_mode[0]) ||
- is_ehci_tll_mode(pdata->port_mode[1]) ||
- is_ehci_tll_mode(pdata->port_mode[2]) ||
- (is_ohci_port(pdata->port_mode[0])) ||
- (is_ohci_port(pdata->port_mode[1])) ||
- (is_ohci_port(pdata->port_mode[2]))) {
-
- /* Enable UTMI mode for required TLL channels */
- if (is_omap_usbhs_rev2(omap))
- usbhs_omap_tll_init(dev, OMAP_REV2_TLL_CHANNEL_COUNT);
- else
- usbhs_omap_tll_init(dev, OMAP_TLL_CHANNEL_COUNT);
- }
-
spin_unlock_irqrestore(&omap->lock, flags);
+ pm_runtime_put_sync(dev);
if (pdata->ehci_data->phy_reset) {
/* Hold the PHY in RESET for enough time till
* PHY is settled and ready
@@ -610,8 +442,6 @@ static void omap_usbhs_init(struct device *dev)
gpio_set_value_cansleep
(pdata->ehci_data->reset_gpio_port[1], 1);
}
-
- pm_runtime_put_sync(dev);
}
static void omap_usbhs_deinit(struct device *dev)
@@ -714,32 +544,18 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev)
goto err_xclk60mhsp2_ck;
}
- omap->usbtll_p1_fck = clk_get(dev, "usb_tll_hs_usb_ch0_clk");
- if (IS_ERR(omap->usbtll_p1_fck)) {
- ret = PTR_ERR(omap->usbtll_p1_fck);
- dev_err(dev, "usbtll_p1_fck failed error:%d\n", ret);
- goto err_usbhost_p1_fck;
- }
-
omap->usbhost_p2_fck = clk_get(dev, "usb_host_hs_utmi_p2_clk");
if (IS_ERR(omap->usbhost_p2_fck)) {
ret = PTR_ERR(omap->usbhost_p2_fck);
dev_err(dev, "usbhost_p2_fck failed error:%d\n", ret);
- goto err_usbtll_p1_fck;
- }
-
- omap->usbtll_p2_fck = clk_get(dev, "usb_tll_hs_usb_ch1_clk");
- if (IS_ERR(omap->usbtll_p2_fck)) {
- ret = PTR_ERR(omap->usbtll_p2_fck);
- dev_err(dev, "usbtll_p2_fck failed error:%d\n", ret);
- goto err_usbhost_p2_fck;
+ goto err_usbhost_p1_fck;
}
omap->init_60m_fclk = clk_get(dev, "init_60m_fclk");
if (IS_ERR(omap->init_60m_fclk)) {
ret = PTR_ERR(omap->init_60m_fclk);
dev_err(dev, "init_60m_fclk failed error:%d\n", ret);
- goto err_usbtll_p2_fck;
+ goto err_usbhost_p2_fck;
}
if (is_ehci_phy_mode(pdata->port_mode[0])) {
@@ -785,20 +601,6 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev)
goto err_init_60m_fclk;
}
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tll");
- if (!res) {
- dev_err(dev, "UHH EHCI get resource failed\n");
- ret = -ENODEV;
- goto err_tll;
- }
-
- omap->tll_base = ioremap(res->start, resource_size(res));
- if (!omap->tll_base) {
- dev_err(dev, "TLL ioremap failed\n");
- ret = -ENOMEM;
- goto err_tll;
- }
-
platform_set_drvdata(pdev, omap);
omap_usbhs_init(dev);
@@ -812,23 +614,14 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev)
err_alloc:
omap_usbhs_deinit(&pdev->dev);
- iounmap(omap->tll_base);
-
-err_tll:
iounmap(omap->uhh_base);
err_init_60m_fclk:
clk_put(omap->init_60m_fclk);
-err_usbtll_p2_fck:
- clk_put(omap->usbtll_p2_fck);
-
err_usbhost_p2_fck:
clk_put(omap->usbhost_p2_fck);
-err_usbtll_p1_fck:
- clk_put(omap->usbtll_p1_fck);
-
err_usbhost_p1_fck:
clk_put(omap->usbhost_p1_fck);
@@ -864,12 +657,9 @@ static int __devexit usbhs_omap_remove(struct platform_device *pdev)
struct usbhs_hcd_omap *omap = platform_get_drvdata(pdev);
omap_usbhs_deinit(&pdev->dev);
- iounmap(omap->tll_base);
iounmap(omap->uhh_base);
clk_put(omap->init_60m_fclk);
- clk_put(omap->usbtll_p2_fck);
clk_put(omap->usbhost_p2_fck);
- clk_put(omap->usbtll_p1_fck);
clk_put(omap->usbhost_p1_fck);
clk_put(omap->xclk60mhsp2_ck);
clk_put(omap->utmi_p2_fck);
@@ -910,8 +700,10 @@ static int __init omap_usbhs_drvinit(void)
* init before ehci and ohci drivers;
* The usbhs core driver should be initialized much before
* the omap ehci and ohci probe functions are called.
+ * This usbhs core driver should be initialized after
+ * usb tll driver
*/
-fs_initcall(omap_usbhs_drvinit);
+fs_initcall_sync(omap_usbhs_drvinit);
static void __exit omap_usbhs_drvexit(void)
{
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
new file mode 100644
index 000000000000..4b7757b84301
--- /dev/null
+++ b/drivers/mfd/omap-usb-tll.c
@@ -0,0 +1,471 @@
+/**
+ * omap-usb-tll.c - The USB TLL driver for OMAP EHCI & OHCI
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
+ * Author: Keshava Munegowda <keshava_mgowda@ti.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 of
+ * the License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <plat/usb.h>
+#include <linux/pm_runtime.h>
+
+#define USBTLL_DRIVER_NAME "usbhs_tll"
+
+/* TLL Register Set */
+#define OMAP_USBTLL_REVISION (0x00)
+#define OMAP_USBTLL_SYSCONFIG (0x10)
+#define OMAP_USBTLL_SYSCONFIG_CACTIVITY (1 << 8)
+#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE (1 << 3)
+#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP (1 << 2)
+#define OMAP_USBTLL_SYSCONFIG_SOFTRESET (1 << 1)
+#define OMAP_USBTLL_SYSCONFIG_AUTOIDLE (1 << 0)
+
+#define OMAP_USBTLL_SYSSTATUS (0x14)
+#define OMAP_USBTLL_SYSSTATUS_RESETDONE (1 << 0)
+
+#define OMAP_USBTLL_IRQSTATUS (0x18)
+#define OMAP_USBTLL_IRQENABLE (0x1C)
+
+#define OMAP_TLL_SHARED_CONF (0x30)
+#define OMAP_TLL_SHARED_CONF_USB_90D_DDR_EN (1 << 6)
+#define OMAP_TLL_SHARED_CONF_USB_180D_SDR_EN (1 << 5)
+#define OMAP_TLL_SHARED_CONF_USB_DIVRATION (1 << 2)
+#define OMAP_TLL_SHARED_CONF_FCLK_REQ (1 << 1)
+#define OMAP_TLL_SHARED_CONF_FCLK_IS_ON (1 << 0)
+
+#define OMAP_TLL_CHANNEL_CONF(num) (0x040 + 0x004 * num)
+#define OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT 24
+#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11)
+#define OMAP_TLL_CHANNEL_CONF_ULPI_ULPIAUTOIDLE (1 << 10)
+#define OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE (1 << 9)
+#define OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE (1 << 8)
+#define OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS (1 << 1)
+#define OMAP_TLL_CHANNEL_CONF_CHANEN (1 << 0)
+
+#define OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0 0x0
+#define OMAP_TLL_FSLSMODE_6PIN_PHY_DP_DM 0x1
+#define OMAP_TLL_FSLSMODE_3PIN_PHY 0x2
+#define OMAP_TLL_FSLSMODE_4PIN_PHY 0x3
+#define OMAP_TLL_FSLSMODE_6PIN_TLL_DAT_SE0 0x4
+#define OMAP_TLL_FSLSMODE_6PIN_TLL_DP_DM 0x5
+#define OMAP_TLL_FSLSMODE_3PIN_TLL 0x6
+#define OMAP_TLL_FSLSMODE_4PIN_TLL 0x7
+#define OMAP_TLL_FSLSMODE_2PIN_TLL_DAT_SE0 0xA
+#define OMAP_TLL_FSLSMODE_2PIN_DAT_DP_DM 0xB
+
+#define OMAP_TLL_ULPI_FUNCTION_CTRL(num) (0x804 + 0x100 * num)
+#define OMAP_TLL_ULPI_INTERFACE_CTRL(num) (0x807 + 0x100 * num)
+#define OMAP_TLL_ULPI_OTG_CTRL(num) (0x80A + 0x100 * num)
+#define OMAP_TLL_ULPI_INT_EN_RISE(num) (0x80D + 0x100 * num)
+#define OMAP_TLL_ULPI_INT_EN_FALL(num) (0x810 + 0x100 * num)
+#define OMAP_TLL_ULPI_INT_STATUS(num) (0x813 + 0x100 * num)
+#define OMAP_TLL_ULPI_INT_LATCH(num) (0x814 + 0x100 * num)
+#define OMAP_TLL_ULPI_DEBUG(num) (0x815 + 0x100 * num)
+#define OMAP_TLL_ULPI_SCRATCH_REGISTER(num) (0x816 + 0x100 * num)
+
+#define OMAP_REV2_TLL_CHANNEL_COUNT 2
+#define OMAP_TLL_CHANNEL_COUNT 3
+#define OMAP_TLL_CHANNEL_1_EN_MASK (1 << 0)
+#define OMAP_TLL_CHANNEL_2_EN_MASK (1 << 1)
+#define OMAP_TLL_CHANNEL_3_EN_MASK (1 << 2)
+
+/* Values of USBTLL_REVISION - Note: these are not given in the TRM */
+#define OMAP_USBTLL_REV1 0x00000015 /* OMAP3 */
+#define OMAP_USBTLL_REV2 0x00000018 /* OMAP 3630 */
+#define OMAP_USBTLL_REV3 0x00000004 /* OMAP4 */
+
+#define is_ehci_tll_mode(x) (x == OMAP_EHCI_PORT_MODE_TLL)
+
+struct usbtll_omap {
+ struct clk *usbtll_p1_fck;
+ struct clk *usbtll_p2_fck;
+ struct usbtll_omap_platform_data platdata;
+ /* secure the register updates */
+ spinlock_t lock;
+};
+
+/*-------------------------------------------------------------------------*/
+
+const char usbtll_driver_name[] = USBTLL_DRIVER_NAME;
+struct platform_device *tll_pdev;
+
+/*-------------------------------------------------------------------------*/
+
+static inline void usbtll_write(void __iomem *base, u32 reg, u32 val)
+{
+ __raw_writel(val, base + reg);
+}
+
+static inline u32 usbtll_read(void __iomem *base, u32 reg)
+{
+ return __raw_readl(base + reg);
+}
+
+static inline void usbtll_writeb(void __iomem *base, u8 reg, u8 val)
+{
+ __raw_writeb(val, base + reg);
+}
+
+static inline u8 usbtll_readb(void __iomem *base, u8 reg)
+{
+ return __raw_readb(base + reg);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static bool is_ohci_port(enum usbhs_omap_port_mode pmode)
+{
+ switch (pmode) {
+ case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
+ case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
+ case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
+ case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+/*
+ * convert the port-mode enum to a value we can use in the FSLSMODE
+ * field of USBTLL_CHANNEL_CONF
+ */
+static unsigned ohci_omap3_fslsmode(enum usbhs_omap_port_mode mode)
+{
+ switch (mode) {
+ case OMAP_USBHS_PORT_MODE_UNUSED:
+ case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
+ return OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0;
+
+ case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
+ return OMAP_TLL_FSLSMODE_6PIN_PHY_DP_DM;
+
+ case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
+ return OMAP_TLL_FSLSMODE_3PIN_PHY;
+
+ case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
+ return OMAP_TLL_FSLSMODE_4PIN_PHY;
+
+ case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
+ return OMAP_TLL_FSLSMODE_6PIN_TLL_DAT_SE0;
+
+ case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
+ return OMAP_TLL_FSLSMODE_6PIN_TLL_DP_DM;
+
+ case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
+ return OMAP_TLL_FSLSMODE_3PIN_TLL;
+
+ case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
+ return OMAP_TLL_FSLSMODE_4PIN_TLL;
+
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
+ return OMAP_TLL_FSLSMODE_2PIN_TLL_DAT_SE0;
+
+ case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
+ return OMAP_TLL_FSLSMODE_2PIN_DAT_DP_DM;
+ default:
+ pr_warn("Invalid port mode, using default\n");
+ return OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0;
+ }
+}
+
+/**
+ * usbtll_omap_probe - initialize TI-based HCDs
+ *
+ * Allocates basic resources for this USB host controller.
+ */
+static int __devinit usbtll_omap_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct usbtll_omap_platform_data *pdata = dev->platform_data;
+ void __iomem *base;
+ struct resource *res;
+ struct usbtll_omap *tll;
+ unsigned reg;
+ unsigned long flags;
+ int ret = 0;
+ int i, ver, count;
+
+ dev_dbg(dev, "starting TI HSUSB TLL Controller\n");
+
+ tll = kzalloc(sizeof(struct usbtll_omap), GFP_KERNEL);
+ if (!tll) {
+ dev_err(dev, "Memory allocation failed\n");
+ ret = -ENOMEM;
+ goto end;
+ }
+
+ spin_lock_init(&tll->lock);
+
+ for (i = 0; i < OMAP3_HS_USB_PORTS; i++)
+ tll->platdata.port_mode[i] = pdata->port_mode[i];
+
+ tll->usbtll_p1_fck = clk_get(dev, "usb_tll_hs_usb_ch0_clk");
+ if (IS_ERR(tll->usbtll_p1_fck)) {
+ ret = PTR_ERR(tll->usbtll_p1_fck);
+ dev_err(dev, "usbtll_p1_fck failed error:%d\n", ret);
+ goto err_tll;
+ }
+
+ tll->usbtll_p2_fck = clk_get(dev, "usb_tll_hs_usb_ch1_clk");
+ if (IS_ERR(tll->usbtll_p2_fck)) {
+ ret = PTR_ERR(tll->usbtll_p2_fck);
+ dev_err(dev, "usbtll_p2_fck failed error:%d\n", ret);
+ goto err_usbtll_p1_fck;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(dev, "usb tll get resource failed\n");
+ ret = -ENODEV;
+ goto err_usbtll_p2_fck;
+ }
+
+ base = ioremap(res->start, resource_size(res));
+ if (!base) {
+ dev_err(dev, "TLL ioremap failed\n");
+ ret = -ENOMEM;
+ goto err_usbtll_p2_fck;
+ }
+
+ platform_set_drvdata(pdev, tll);
+ pm_runtime_enable(dev);
+ pm_runtime_get_sync(dev);
+
+ spin_lock_irqsave(&tll->lock, flags);
+
+ ver = usbtll_read(base, OMAP_USBTLL_REVISION);
+ switch (ver) {
+ case OMAP_USBTLL_REV1:
+ case OMAP_USBTLL_REV2:
+ count = OMAP_TLL_CHANNEL_COUNT;
+ break;
+ case OMAP_USBTLL_REV3:
+ count = OMAP_REV2_TLL_CHANNEL_COUNT;
+ break;
+ default:
+ dev_err(dev, "TLL version failed\n");
+ ret = -ENODEV;
+ goto err_ioremap;
+ }
+
+ if (is_ehci_tll_mode(pdata->port_mode[0]) ||
+ is_ehci_tll_mode(pdata->port_mode[1]) ||
+ is_ehci_tll_mode(pdata->port_mode[2]) ||
+ is_ohci_port(pdata->port_mode[0]) ||
+ is_ohci_port(pdata->port_mode[1]) ||
+ is_ohci_port(pdata->port_mode[2])) {
+
+ /* Program Common TLL register */
+ reg = usbtll_read(base, OMAP_TLL_SHARED_CONF);
+ reg |= (OMAP_TLL_SHARED_CONF_FCLK_IS_ON
+ | OMAP_TLL_SHARED_CONF_USB_DIVRATION);
+ reg &= ~OMAP_TLL_SHARED_CONF_USB_90D_DDR_EN;
+ reg &= ~OMAP_TLL_SHARED_CONF_USB_180D_SDR_EN;
+
+ usbtll_write(base, OMAP_TLL_SHARED_CONF, reg);
+
+ /* Enable channels now */
+ for (i = 0; i < count; i++) {
+ reg = usbtll_read(base, OMAP_TLL_CHANNEL_CONF(i));
+
+ if (is_ohci_port(pdata->port_mode[i])) {
+ reg |= ohci_omap3_fslsmode(pdata->port_mode[i])
+ << OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT;
+ reg |= OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS;
+ } else if (pdata->port_mode[i] ==
+ OMAP_EHCI_PORT_MODE_TLL) {
+ /*
+ * Disable AutoIdle, BitStuffing
+ * and use SDR Mode
+ */
+ reg &= ~(OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE
+ | OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF
+ | OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE);
+ } else {
+ continue;
+ }
+ reg |= OMAP_TLL_CHANNEL_CONF_CHANEN;
+ usbtll_write(base, OMAP_TLL_CHANNEL_CONF(i), reg);
+
+ usbtll_writeb(base,
+ OMAP_TLL_ULPI_SCRATCH_REGISTER(i),
+ 0xbe);
+ }
+ }
+
+err_ioremap:
+ spin_unlock_irqrestore(&tll->lock, flags);
+ iounmap(base);
+ pm_runtime_put_sync(dev);
+ tll_pdev = pdev;
+ if (!ret)
+ goto end;
+ pm_runtime_disable(dev);
+
+err_usbtll_p2_fck:
+ clk_put(tll->usbtll_p2_fck);
+
+err_usbtll_p1_fck:
+ clk_put(tll->usbtll_p1_fck);
+
+err_tll:
+ kfree(tll);
+
+end:
+ return ret;
+}
+
+/**
+ * usbtll_omap_remove - shutdown processing for UHH & TLL HCDs
+ * @pdev: USB Host Controller being removed
+ *
+ * Reverses the effect of usbtll_omap_probe().
+ */
+static int __devexit usbtll_omap_remove(struct platform_device *pdev)
+{
+ struct usbtll_omap *tll = platform_get_drvdata(pdev);
+
+ clk_put(tll->usbtll_p2_fck);
+ clk_put(tll->usbtll_p1_fck);
+ pm_runtime_disable(&pdev->dev);
+ kfree(tll);
+ return 0;
+}
+
+static int usbtll_runtime_resume(struct device *dev)
+{
+ struct usbtll_omap *tll = dev_get_drvdata(dev);
+ struct usbtll_omap_platform_data *pdata = &tll->platdata;
+ unsigned long flags;
+
+ dev_dbg(dev, "usbtll_runtime_resume\n");
+
+ if (!pdata) {
+ dev_dbg(dev, "missing platform_data\n");
+ return -ENODEV;
+ }
+
+ spin_lock_irqsave(&tll->lock, flags);
+
+ if (is_ehci_tll_mode(pdata->port_mode[0]))
+ clk_enable(tll->usbtll_p1_fck);
+
+ if (is_ehci_tll_mode(pdata->port_mode[1]))
+ clk_enable(tll->usbtll_p2_fck);
+
+ spin_unlock_irqrestore(&tll->lock, flags);
+
+ return 0;
+}
+
+static int usbtll_runtime_suspend(struct device *dev)
+{
+ struct usbtll_omap *tll = dev_get_drvdata(dev);
+ struct usbtll_omap_platform_data *pdata = &tll->platdata;
+ unsigned long flags;
+
+ dev_dbg(dev, "usbtll_runtime_suspend\n");
+
+ if (!pdata) {
+ dev_dbg(dev, "missing platform_data\n");
+ return -ENODEV;
+ }
+
+ spin_lock_irqsave(&tll->lock, flags);
+
+ if (is_ehci_tll_mode(pdata->port_mode[0]))
+ clk_disable(tll->usbtll_p1_fck);
+
+ if (is_ehci_tll_mode(pdata->port_mode[1]))
+ clk_disable(tll->usbtll_p2_fck);
+
+ spin_unlock_irqrestore(&tll->lock, flags);
+
+ return 0;
+}
+
+static const struct dev_pm_ops usbtllomap_dev_pm_ops = {
+ SET_RUNTIME_PM_OPS(usbtll_runtime_suspend,
+ usbtll_runtime_resume,
+ NULL)
+};
+
+static struct platform_driver usbtll_omap_driver = {
+ .driver = {
+ .name = (char *)usbtll_driver_name,
+ .owner = THIS_MODULE,
+ .pm = &usbtllomap_dev_pm_ops,
+ },
+ .probe = usbtll_omap_probe,
+ .remove = __devexit_p(usbtll_omap_remove),
+};
+
+int omap_tll_enable(void)
+{
+ if (!tll_pdev) {
+ pr_err("missing omap usbhs tll platform_data\n");
+ return -ENODEV;
+ }
+ return pm_runtime_get_sync(&tll_pdev->dev);
+}
+EXPORT_SYMBOL_GPL(omap_tll_enable);
+
+int omap_tll_disable(void)
+{
+ if (!tll_pdev) {
+ pr_err("missing omap usbhs tll platform_data\n");
+ return -ENODEV;
+ }
+ return pm_runtime_put_sync(&tll_pdev->dev);
+}
+EXPORT_SYMBOL_GPL(omap_tll_disable);
+
+MODULE_AUTHOR("Keshava Munegowda <keshava_mgowda@ti.com>");
+MODULE_ALIAS("platform:" USBHS_DRIVER_NAME);
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("usb tll driver for TI OMAP EHCI and OHCI controllers");
+
+static int __init omap_usbtll_drvinit(void)
+{
+ return platform_driver_register(&usbtll_omap_driver);
+}
+
+/*
+ * init before usbhs core driver;
+ * The usbtll driver should be initialized before
+ * the usbhs core driver probe function is called.
+ */
+fs_initcall(omap_usbtll_drvinit);
+
+static void __exit omap_usbtll_drvexit(void)
+{
+ platform_driver_unregister(&usbtll_omap_driver);
+}
+module_exit(omap_usbtll_drvexit);
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
index a345f9bb7b47..4f8d6e6b19aa 100644
--- a/drivers/mfd/palmas.c
+++ b/drivers/mfd/palmas.c
@@ -23,60 +23,7 @@
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/palmas.h>
-
-static const struct resource gpadc_resource[] = {
- {
- .name = "EOC_SW",
- .start = PALMAS_GPADC_EOC_SW_IRQ,
- .end = PALMAS_GPADC_EOC_SW_IRQ,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static const struct resource usb_resource[] = {
- {
- .name = "ID",
- .start = PALMAS_ID_OTG_IRQ,
- .end = PALMAS_ID_OTG_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ID_WAKEUP",
- .start = PALMAS_ID_IRQ,
- .end = PALMAS_ID_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS",
- .start = PALMAS_VBUS_OTG_IRQ,
- .end = PALMAS_VBUS_OTG_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS_WAKEUP",
- .start = PALMAS_VBUS_IRQ,
- .end = PALMAS_VBUS_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static const struct resource rtc_resource[] = {
- {
- .name = "RTC_ALARM",
- .start = PALMAS_RTC_ALARM_IRQ,
- .end = PALMAS_RTC_ALARM_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static const struct resource pwron_resource[] = {
- {
- .name = "PWRON_BUTTON",
- .start = PALMAS_PWRON_IRQ,
- .end = PALMAS_PWRON_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
+#include <linux/of_platform.h>
enum palmas_ids {
PALMAS_PMIC_ID,
@@ -111,20 +58,14 @@ static const struct mfd_cell palmas_children[] = {
},
{
.name = "palmas-rtc",
- .num_resources = ARRAY_SIZE(rtc_resource),
- .resources = rtc_resource,
.id = PALMAS_RTC_ID,
},
{
.name = "palmas-pwrbutton",
- .num_resources = ARRAY_SIZE(pwron_resource),
- .resources = pwron_resource,
.id = PALMAS_PWRBUTTON_ID,
},
{
.name = "palmas-gpadc",
- .num_resources = ARRAY_SIZE(gpadc_resource),
- .resources = gpadc_resource,
.id = PALMAS_GPADC_ID,
},
{
@@ -141,8 +82,6 @@ static const struct mfd_cell palmas_children[] = {
},
{
.name = "palmas-usb",
- .num_resources = ARRAY_SIZE(usb_resource),
- .resources = usb_resource,
.id = PALMAS_USB_ID,
}
};
@@ -308,17 +247,56 @@ static struct regmap_irq_chip palmas_irq_chip = {
PALMAS_INT1_MASK),
};
+static void __devinit palmas_dt_to_pdata(struct device_node *node,
+ struct palmas_platform_data *pdata)
+{
+ int ret;
+ u32 prop;
+
+ ret = of_property_read_u32(node, "ti,mux_pad1", &prop);
+ if (!ret) {
+ pdata->mux_from_pdata = 1;
+ pdata->pad1 = prop;
+ }
+
+ ret = of_property_read_u32(node, "ti,mux_pad2", &prop);
+ if (!ret) {
+ pdata->mux_from_pdata = 1;
+ pdata->pad2 = prop;
+ }
+
+ /* The default for this register is all masked */
+ ret = of_property_read_u32(node, "ti,power_ctrl", &prop);
+ if (!ret)
+ pdata->power_ctrl = prop;
+ else
+ pdata->power_ctrl = PALMAS_POWER_CTRL_NSLEEP_MASK |
+ PALMAS_POWER_CTRL_ENABLE1_MASK |
+ PALMAS_POWER_CTRL_ENABLE2_MASK;
+}
+
static int __devinit palmas_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct palmas *palmas;
struct palmas_platform_data *pdata;
+ struct device_node *node = i2c->dev.of_node;
int ret = 0, i;
unsigned int reg, addr;
int slave;
struct mfd_cell *children;
pdata = dev_get_platdata(&i2c->dev);
+
+ if (node && !pdata) {
+ pdata = devm_kzalloc(&i2c->dev, sizeof(*pdata), GFP_KERNEL);
+
+ if (!pdata)
+ return -ENOMEM;
+
+ palmas_dt_to_pdata(node, pdata);
+ }
+
if (!pdata)
return -EINVAL;
@@ -364,7 +342,7 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c,
regmap_write(palmas->regmap[slave], addr, reg);
ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq,
- IRQF_ONESHOT | IRQF_TRIGGER_LOW, -1, &palmas_irq_chip,
+ IRQF_ONESHOT | IRQF_TRIGGER_LOW, 0, &palmas_irq_chip,
&palmas->irq_data);
if (ret < 0)
goto err;
@@ -377,11 +355,11 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c,
reg = pdata->pad1;
ret = regmap_write(palmas->regmap[slave], addr, reg);
if (ret)
- goto err;
+ goto err_irq;
} else {
ret = regmap_read(palmas->regmap[slave], addr, &reg);
if (ret)
- goto err;
+ goto err_irq;
}
if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_0))
@@ -412,11 +390,11 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c,
reg = pdata->pad2;
ret = regmap_write(palmas->regmap[slave], addr, reg);
if (ret)
- goto err;
+ goto err_irq;
} else {
ret = regmap_read(palmas->regmap[slave], addr, &reg);
if (ret)
- goto err;
+ goto err_irq;
}
if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_4))
@@ -439,18 +417,43 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c,
ret = regmap_write(palmas->regmap[slave], addr, reg);
if (ret)
- goto err;
+ goto err_irq;
+
+ /*
+ * If we are probing with DT do this the DT way and return here
+ * otherwise continue and add devices using mfd helpers.
+ */
+ if (node) {
+ ret = of_platform_populate(node, NULL, NULL, &i2c->dev);
+ if (ret < 0)
+ goto err_irq;
+ else
+ return ret;
+ }
children = kmemdup(palmas_children, sizeof(palmas_children),
GFP_KERNEL);
if (!children) {
ret = -ENOMEM;
- goto err;
+ goto err_irq;
}
children[PALMAS_PMIC_ID].platform_data = pdata->pmic_pdata;
children[PALMAS_PMIC_ID].pdata_size = sizeof(*pdata->pmic_pdata);
+ children[PALMAS_GPADC_ID].platform_data = pdata->gpadc_pdata;
+ children[PALMAS_GPADC_ID].pdata_size = sizeof(*pdata->gpadc_pdata);
+
+ children[PALMAS_RESOURCE_ID].platform_data = pdata->resource_pdata;
+ children[PALMAS_RESOURCE_ID].pdata_size =
+ sizeof(*pdata->resource_pdata);
+
+ children[PALMAS_USB_ID].platform_data = pdata->usb_pdata;
+ children[PALMAS_USB_ID].pdata_size = sizeof(*pdata->usb_pdata);
+
+ children[PALMAS_CLK_ID].platform_data = pdata->clk_pdata;
+ children[PALMAS_CLK_ID].pdata_size = sizeof(*pdata->clk_pdata);
+
ret = mfd_add_devices(palmas->dev, -1,
children, ARRAY_SIZE(palmas_children),
NULL, regmap_irq_chip_get_base(palmas->irq_data),
@@ -458,13 +461,15 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c,
kfree(children);
if (ret < 0)
- goto err;
+ goto err_devices;
return ret;
-err:
+err_devices:
mfd_remove_devices(palmas->dev);
- kfree(palmas);
+err_irq:
+ regmap_del_irq_chip(palmas->irq, palmas->irq_data);
+err:
return ret;
}
diff --git a/drivers/mfd/rc5t583-irq.c b/drivers/mfd/rc5t583-irq.c
index fa6f80fad5f1..fe00cdd6f83d 100644
--- a/drivers/mfd/rc5t583-irq.c
+++ b/drivers/mfd/rc5t583-irq.c
@@ -255,7 +255,7 @@ static irqreturn_t rc5t583_irq(int irq, void *data)
{
struct rc5t583 *rc5t583 = data;
uint8_t int_sts[RC5T583_MAX_INTERRUPT_MASK_REGS];
- uint8_t master_int;
+ uint8_t master_int = 0;
int i;
int ret;
unsigned int rtc_int_sts = 0;
diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c
index ff61efc76ce2..f1a024ecdb1e 100644
--- a/drivers/mfd/rc5t583.c
+++ b/drivers/mfd/rc5t583.c
@@ -85,7 +85,7 @@ static int __rc5t583_set_ext_pwrreq1_control(struct device *dev,
int id, int ext_pwr, int slots)
{
int ret;
- uint8_t sleepseq_val;
+ uint8_t sleepseq_val = 0;
unsigned int en_bit;
unsigned int slot_bit;
diff --git a/drivers/mfd/smsc-ece1099.c b/drivers/mfd/smsc-ece1099.c
new file mode 100644
index 000000000000..24ae3d8421c5
--- /dev/null
+++ b/drivers/mfd/smsc-ece1099.c
@@ -0,0 +1,113 @@
+/*
+ * TI SMSC MFD Driver
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Author: Sourav Poddar <sourav.poddar@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; GPL v2.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/irq.h>
+#include <linux/regmap.h>
+#include <linux/err.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/smsc.h>
+#include <linux/of_platform.h>
+
+static struct regmap_config smsc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = SMSC_VEN_ID_H,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int smsc_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct smsc *smsc;
+ int devid, rev, venid_l, venid_h;
+ int ret = 0;
+
+ smsc = devm_kzalloc(&i2c->dev, sizeof(struct smsc),
+ GFP_KERNEL);
+ if (!smsc) {
+ dev_err(&i2c->dev, "smsc mfd driver memory allocation failed\n");
+ return -ENOMEM;
+ }
+
+ smsc->regmap = devm_regmap_init_i2c(i2c, &smsc_regmap_config);
+ if (IS_ERR(smsc->regmap)) {
+ ret = PTR_ERR(smsc->regmap);
+ goto err;
+ }
+
+ i2c_set_clientdata(i2c, smsc);
+ smsc->dev = &i2c->dev;
+
+#ifdef CONFIG_OF
+ of_property_read_u32(i2c->dev.of_node, "clock", &smsc->clk);
+#endif
+
+ regmap_read(smsc->regmap, SMSC_DEV_ID, &devid);
+ regmap_read(smsc->regmap, SMSC_DEV_REV, &rev);
+ regmap_read(smsc->regmap, SMSC_VEN_ID_L, &venid_l);
+ regmap_read(smsc->regmap, SMSC_VEN_ID_H, &venid_h);
+
+ dev_info(&i2c->dev, "SMSCxxx devid: %02x rev: %02x venid: %02x\n",
+ devid, rev, (venid_h << 8) | venid_l);
+
+ ret = regmap_write(smsc->regmap, SMSC_CLK_CTRL, smsc->clk);
+ if (ret)
+ goto err;
+
+#ifdef CONFIG_OF
+ if (i2c->dev.of_node)
+ ret = of_platform_populate(i2c->dev.of_node,
+ NULL, NULL, &i2c->dev);
+#endif
+
+err:
+ return ret;
+}
+
+static int smsc_i2c_remove(struct i2c_client *i2c)
+{
+ struct smsc *smsc = i2c_get_clientdata(i2c);
+
+ mfd_remove_devices(smsc->dev);
+
+ return 0;
+}
+
+static const struct i2c_device_id smsc_i2c_id[] = {
+ { "smscece1099", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, smsc_i2c_id);
+
+static struct i2c_driver smsc_i2c_driver = {
+ .driver = {
+ .name = "smsc",
+ .owner = THIS_MODULE,
+ },
+ .probe = smsc_i2c_probe,
+ .remove = smsc_i2c_remove,
+ .id_table = smsc_i2c_id,
+};
+
+module_i2c_driver(smsc_i2c_driver);
+
+MODULE_AUTHOR("Sourav Poddar <sourav.poddar@ti.com>");
+MODULE_DESCRIPTION("SMSC chip multi-function driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
new file mode 100644
index 000000000000..65fe609026cc
--- /dev/null
+++ b/drivers/mfd/syscon.c
@@ -0,0 +1,176 @@
+/*
+ * System Control Driver
+ *
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ * Copyright (C) 2012 Linaro Ltd.
+ *
+ * Author: Dong Aisheng <dong.aisheng@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+static struct platform_driver syscon_driver;
+
+struct syscon {
+ struct device *dev;
+ void __iomem *base;
+ struct regmap *regmap;
+};
+
+static int syscon_match(struct device *dev, void *data)
+{
+ struct syscon *syscon = dev_get_drvdata(dev);
+ struct device_node *dn = data;
+
+ return (syscon->dev->of_node == dn) ? 1 : 0;
+}
+
+struct regmap *syscon_node_to_regmap(struct device_node *np)
+{
+ struct syscon *syscon;
+ struct device *dev;
+
+ dev = driver_find_device(&syscon_driver.driver, NULL, np,
+ syscon_match);
+ if (!dev)
+ return ERR_PTR(-EPROBE_DEFER);
+
+ syscon = dev_get_drvdata(dev);
+
+ return syscon->regmap;
+}
+EXPORT_SYMBOL_GPL(syscon_node_to_regmap);
+
+struct regmap *syscon_regmap_lookup_by_compatible(const char *s)
+{
+ struct device_node *syscon_np;
+ struct regmap *regmap;
+
+ syscon_np = of_find_compatible_node(NULL, NULL, s);
+ if (!syscon_np)
+ return ERR_PTR(-ENODEV);
+
+ regmap = syscon_node_to_regmap(syscon_np);
+ of_node_put(syscon_np);
+
+ return regmap;
+}
+EXPORT_SYMBOL_GPL(syscon_regmap_lookup_by_compatible);
+
+struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
+ const char *property)
+{
+ struct device_node *syscon_np;
+ struct regmap *regmap;
+
+ syscon_np = of_parse_phandle(np, property, 0);
+ if (!syscon_np)
+ return ERR_PTR(-ENODEV);
+
+ regmap = syscon_node_to_regmap(syscon_np);
+ of_node_put(syscon_np);
+
+ return regmap;
+}
+EXPORT_SYMBOL_GPL(syscon_regmap_lookup_by_phandle);
+
+static const struct of_device_id of_syscon_match[] = {
+ { .compatible = "syscon", },
+ { },
+};
+
+static struct regmap_config syscon_regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+};
+
+static int __devinit syscon_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct syscon *syscon;
+ struct resource res;
+ int ret;
+
+ if (!np)
+ return -ENOENT;
+
+ syscon = devm_kzalloc(dev, sizeof(struct syscon),
+ GFP_KERNEL);
+ if (!syscon)
+ return -ENOMEM;
+
+ syscon->base = of_iomap(np, 0);
+ if (!syscon->base)
+ return -EADDRNOTAVAIL;
+
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret)
+ return ret;
+
+ syscon_regmap_config.max_register = res.end - res.start - 3;
+ syscon->regmap = devm_regmap_init_mmio(dev, syscon->base,
+ &syscon_regmap_config);
+ if (IS_ERR(syscon->regmap)) {
+ dev_err(dev, "regmap init failed\n");
+ return PTR_ERR(syscon->regmap);
+ }
+
+ syscon->dev = dev;
+ platform_set_drvdata(pdev, syscon);
+
+ dev_info(dev, "syscon regmap start 0x%x end 0x%x registered\n",
+ res.start, res.end);
+
+ return 0;
+}
+
+static int __devexit syscon_remove(struct platform_device *pdev)
+{
+ struct syscon *syscon;
+
+ syscon = platform_get_drvdata(pdev);
+ iounmap(syscon->base);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver syscon_driver = {
+ .driver = {
+ .name = "syscon",
+ .owner = THIS_MODULE,
+ .of_match_table = of_syscon_match,
+ },
+ .probe = syscon_probe,
+ .remove = __devexit_p(syscon_remove),
+};
+
+static int __init syscon_init(void)
+{
+ return platform_driver_register(&syscon_driver);
+}
+postcore_initcall(syscon_init);
+
+static void __exit syscon_exit(void)
+{
+ platform_driver_unregister(&syscon_driver);
+}
+module_exit(syscon_exit);
+
+MODULE_AUTHOR("Dong Aisheng <dong.aisheng@linaro.org>");
+MODULE_DESCRIPTION("System Control driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index b56ba6b43294..8f4c853ca116 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -9,8 +9,10 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/irqdomain.h>
#include <linux/slab.h>
#include <linux/i2c.h>
+#include <linux/of.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tc3589x.h>
@@ -145,6 +147,7 @@ static struct mfd_cell tc3589x_dev_gpio[] = {
.name = "tc3589x-gpio",
.num_resources = ARRAY_SIZE(gpio_resources),
.resources = &gpio_resources[0],
+ .of_compatible = "tc3589x-gpio",
},
};
@@ -153,6 +156,7 @@ static struct mfd_cell tc3589x_dev_keypad[] = {
.name = "tc3589x-keypad",
.num_resources = ARRAY_SIZE(keypad_resources),
.resources = &keypad_resources[0],
+ .of_compatible = "tc3589x-keypad",
},
};
@@ -168,8 +172,9 @@ again:
while (status) {
int bit = __ffs(status);
+ int virq = irq_create_mapping(tc3589x->domain, bit);
- handle_nested_irq(tc3589x->irq_base + bit);
+ handle_nested_irq(virq);
status &= ~(1 << bit);
}
@@ -186,38 +191,60 @@ again:
return IRQ_HANDLED;
}
-static int tc3589x_irq_init(struct tc3589x *tc3589x)
+static int tc3589x_irq_map(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hwirq)
{
- int base = tc3589x->irq_base;
- int irq;
+ struct tc3589x *tc3589x = d->host_data;
- for (irq = base; irq < base + TC3589x_NR_INTERNAL_IRQS; irq++) {
- irq_set_chip_data(irq, tc3589x);
- irq_set_chip_and_handler(irq, &dummy_irq_chip,
- handle_edge_irq);
- irq_set_nested_thread(irq, 1);
+ irq_set_chip_data(virq, tc3589x);
+ irq_set_chip_and_handler(virq, &dummy_irq_chip,
+ handle_edge_irq);
+ irq_set_nested_thread(virq, 1);
#ifdef CONFIG_ARM
- set_irq_flags(irq, IRQF_VALID);
+ set_irq_flags(virq, IRQF_VALID);
#else
- irq_set_noprobe(irq);
+ irq_set_noprobe(virq);
#endif
- }
return 0;
}
-static void tc3589x_irq_remove(struct tc3589x *tc3589x)
+static void tc3589x_irq_unmap(struct irq_domain *d, unsigned int virq)
{
- int base = tc3589x->irq_base;
- int irq;
-
- for (irq = base; irq < base + TC3589x_NR_INTERNAL_IRQS; irq++) {
#ifdef CONFIG_ARM
- set_irq_flags(irq, 0);
+ set_irq_flags(virq, 0);
#endif
- irq_set_chip_and_handler(irq, NULL, NULL);
- irq_set_chip_data(irq, NULL);
+ irq_set_chip_and_handler(virq, NULL, NULL);
+ irq_set_chip_data(virq, NULL);
+}
+
+static struct irq_domain_ops tc3589x_irq_ops = {
+ .map = tc3589x_irq_map,
+ .unmap = tc3589x_irq_unmap,
+ .xlate = irq_domain_xlate_twocell,
+};
+
+static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np)
+{
+ int base = tc3589x->irq_base;
+
+ if (base) {
+ tc3589x->domain = irq_domain_add_legacy(
+ NULL, TC3589x_NR_INTERNAL_IRQS, base,
+ 0, &tc3589x_irq_ops, tc3589x);
+ }
+ else {
+ tc3589x->domain = irq_domain_add_linear(
+ np, TC3589x_NR_INTERNAL_IRQS,
+ &tc3589x_irq_ops, tc3589x);
}
+
+ if (!tc3589x->domain) {
+ dev_err(tc3589x->dev, "Failed to create irqdomain\n");
+ return -ENOSYS;
+ }
+
+ return 0;
}
static int tc3589x_chip_init(struct tc3589x *tc3589x)
@@ -263,7 +290,7 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
if (blocks & TC3589x_BLOCK_GPIO) {
ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_gpio,
ARRAY_SIZE(tc3589x_dev_gpio), NULL,
- tc3589x->irq_base, NULL);
+ tc3589x->irq_base, tc3589x->domain);
if (ret) {
dev_err(tc3589x->dev, "failed to add gpio child\n");
return ret;
@@ -274,7 +301,7 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
if (blocks & TC3589x_BLOCK_KEYPAD) {
ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_keypad,
ARRAY_SIZE(tc3589x_dev_keypad), NULL,
- tc3589x->irq_base, NULL);
+ tc3589x->irq_base, tc3589x->domain);
if (ret) {
dev_err(tc3589x->dev, "failed to keypad child\n");
return ret;
@@ -285,13 +312,47 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
return ret;
}
+static int tc3589x_of_probe(struct device_node *np,
+ struct tc3589x_platform_data *pdata)
+{
+ struct device_node *child;
+
+ for_each_child_of_node(np, child) {
+ if (!strcmp(child->name, "tc3589x_gpio")) {
+ pdata->block |= TC3589x_BLOCK_GPIO;
+ }
+ if (!strcmp(child->name, "tc3589x_keypad")) {
+ pdata->block |= TC3589x_BLOCK_KEYPAD;
+ }
+ }
+
+ return 0;
+}
+
static int __devinit tc3589x_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct tc3589x_platform_data *pdata = i2c->dev.platform_data;
+ struct device_node *np = i2c->dev.of_node;
struct tc3589x *tc3589x;
int ret;
+ if (!pdata) {
+ if (np) {
+ pdata = devm_kzalloc(&i2c->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ ret = tc3589x_of_probe(np, pdata);
+ if (ret)
+ return ret;
+ }
+ else {
+ dev_err(&i2c->dev, "No platform data or DT found\n");
+ return -EINVAL;
+ }
+ }
+
if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA
| I2C_FUNC_SMBUS_I2C_BLOCK))
return -EIO;
@@ -314,7 +375,7 @@ static int __devinit tc3589x_probe(struct i2c_client *i2c,
if (ret)
goto out_free;
- ret = tc3589x_irq_init(tc3589x);
+ ret = tc3589x_irq_init(tc3589x, np);
if (ret)
goto out_free;
@@ -323,7 +384,7 @@ static int __devinit tc3589x_probe(struct i2c_client *i2c,
"tc3589x", tc3589x);
if (ret) {
dev_err(tc3589x->dev, "failed to request IRQ: %d\n", ret);
- goto out_removeirq;
+ goto out_free;
}
ret = tc3589x_device_init(tc3589x);
@@ -336,8 +397,6 @@ static int __devinit tc3589x_probe(struct i2c_client *i2c,
out_freeirq:
free_irq(tc3589x->i2c->irq, tc3589x);
-out_removeirq:
- tc3589x_irq_remove(tc3589x);
out_free:
kfree(tc3589x);
return ret;
@@ -350,7 +409,6 @@ static int __devexit tc3589x_remove(struct i2c_client *client)
mfd_remove_devices(tc3589x->dev);
free_irq(tc3589x->i2c->irq, tc3589x);
- tc3589x_irq_remove(tc3589x);
kfree(tc3589x);
diff --git a/drivers/mfd/tps65090.c b/drivers/mfd/tps65090.c
index 50fd87c87a1c..074ae32b0d2a 100644
--- a/drivers/mfd/tps65090.c
+++ b/drivers/mfd/tps65090.c
@@ -236,7 +236,7 @@ static int __devinit tps65090_irq_init(struct tps65090 *tps65090, int irq,
static bool is_volatile_reg(struct device *dev, unsigned int reg)
{
- if ((reg == TPS65090_INT_STS) || (reg == TPS65090_INT_STS))
+ if (reg == TPS65090_INT_STS)
return true;
else
return false;
diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
index a95e9421b735..3fb32e655254 100644
--- a/drivers/mfd/tps65217.c
+++ b/drivers/mfd/tps65217.c
@@ -34,6 +34,9 @@ static struct mfd_cell tps65217s[] = {
{
.name = "tps65217-pmic",
},
+ {
+ .name = "tps65217-bl",
+ },
};
/**
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 345960ca2fd8..467464368773 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -30,6 +30,10 @@
#include <linux/mfd/core.h>
#include <linux/mfd/tps6586x.h>
+#define TPS6586X_SUPPLYENE 0x14
+#define EXITSLREQ_BIT BIT(1)
+#define SLEEP_MODE_BIT BIT(3)
+
/* interrupt control registers */
#define TPS6586X_INT_ACK1 0xb5
#define TPS6586X_INT_ACK2 0xb6
@@ -422,6 +426,7 @@ static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *clien
pdata->subdevs = devs;
pdata->gpio_base = -1;
pdata->irq_base = -1;
+ pdata->pm_off = of_property_read_bool(np, "ti,system-power-controller");
return pdata;
}
@@ -454,6 +459,15 @@ static const struct regmap_config tps6586x_regmap_config = {
.cache_type = REGCACHE_RBTREE,
};
+static struct device *tps6586x_dev;
+static void tps6586x_power_off(void)
+{
+ if (tps6586x_clr_bits(tps6586x_dev, TPS6586X_SUPPLYENE, EXITSLREQ_BIT))
+ return;
+
+ tps6586x_set_bits(tps6586x_dev, TPS6586X_SUPPLYENE, SLEEP_MODE_BIT);
+}
+
static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -519,6 +533,11 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
goto err_add_devs;
}
+ if (pdata->pm_off && !pm_power_off) {
+ tps6586x_dev = &client->dev;
+ pm_power_off = tps6586x_power_off;
+ }
+
return 0;
err_add_devs:
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index d3ce4d569deb..0d79ce2b5014 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -24,6 +24,14 @@
#include <linux/mfd/tps65910.h>
#include <linux/of_device.h>
+static struct resource rtc_resources[] = {
+ {
+ .start = TPS65910_IRQ_RTC_ALARM,
+ .end = TPS65910_IRQ_RTC_ALARM,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
static struct mfd_cell tps65910s[] = {
{
.name = "tps65910-gpio",
@@ -33,6 +41,8 @@ static struct mfd_cell tps65910s[] = {
},
{
.name = "tps65910-rtc",
+ .num_resources = ARRAY_SIZE(rtc_resources),
+ .resources = &rtc_resources[0],
},
{
.name = "tps65910-power",
@@ -198,6 +208,8 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
board_info->irq = client->irq;
board_info->irq_base = -1;
+ board_info->pm_off = of_property_read_bool(np,
+ "ti,system-power-controller");
return board_info;
}
@@ -210,6 +222,21 @@ struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
}
#endif
+static struct i2c_client *tps65910_i2c_client;
+static void tps65910_power_off(void)
+{
+ struct tps65910 *tps65910;
+
+ tps65910 = dev_get_drvdata(&tps65910_i2c_client->dev);
+
+ if (tps65910_reg_set_bits(tps65910, TPS65910_DEVCTRL,
+ DEVCTRL_PWR_OFF_MASK) < 0)
+ return;
+
+ tps65910_reg_clear_bits(tps65910, TPS65910_DEVCTRL,
+ DEVCTRL_DEV_ON_MASK);
+}
+
static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -267,6 +294,11 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
tps65910_ck32k_init(tps65910, pmic_plat_data);
tps65910_sleepinit(tps65910, pmic_plat_data);
+ if (pmic_plat_data->pm_off && !pm_power_off) {
+ tps65910_i2c_client = i2c;
+ pm_power_off = tps65910_power_off;
+ }
+
return ret;
}
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 9d3a0bc1a65f..4ae642320205 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -63,70 +63,6 @@
#define DRIVER_NAME "twl"
-#if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE)
-#define twl_has_keypad() true
-#else
-#define twl_has_keypad() false
-#endif
-
-#if defined(CONFIG_GPIO_TWL4030) || defined(CONFIG_GPIO_TWL4030_MODULE)
-#define twl_has_gpio() true
-#else
-#define twl_has_gpio() false
-#endif
-
-#if defined(CONFIG_REGULATOR_TWL4030) \
- || defined(CONFIG_REGULATOR_TWL4030_MODULE)
-#define twl_has_regulator() true
-#else
-#define twl_has_regulator() false
-#endif
-
-#if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE)
-#define twl_has_madc() true
-#else
-#define twl_has_madc() false
-#endif
-
-#ifdef CONFIG_TWL4030_POWER
-#define twl_has_power() true
-#else
-#define twl_has_power() false
-#endif
-
-#if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE)
-#define twl_has_rtc() true
-#else
-#define twl_has_rtc() false
-#endif
-
-#if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE) ||\
- defined(CONFIG_TWL6030_USB) || defined(CONFIG_TWL6030_USB_MODULE)
-#define twl_has_usb() true
-#else
-#define twl_has_usb() false
-#endif
-
-#if defined(CONFIG_TWL4030_WATCHDOG) || \
- defined(CONFIG_TWL4030_WATCHDOG_MODULE)
-#define twl_has_watchdog() true
-#else
-#define twl_has_watchdog() false
-#endif
-
-#if defined(CONFIG_MFD_TWL4030_AUDIO) || \
- defined(CONFIG_MFD_TWL4030_AUDIO_MODULE)
-#define twl_has_codec() true
-#else
-#define twl_has_codec() false
-#endif
-
-#if defined(CONFIG_CHARGER_TWL4030) || defined(CONFIG_CHARGER_TWL4030_MODULE)
-#define twl_has_bci() true
-#else
-#define twl_has_bci() false
-#endif
-
/* Triton Core internal information (BEGIN) */
/* Last - for index max*/
@@ -134,13 +70,6 @@
#define TWL_NUM_SLAVES 4
-#if defined(CONFIG_INPUT_TWL4030_PWRBUTTON) \
- || defined(CONFIG_INPUT_TWL4030_PWRBUTTON_MODULE)
-#define twl_has_pwrbutton() true
-#else
-#define twl_has_pwrbutton() false
-#endif
-
#define SUB_CHIP_ID0 0
#define SUB_CHIP_ID1 1
#define SUB_CHIP_ID2 2
@@ -552,6 +481,38 @@ int twl_get_version(void)
}
EXPORT_SYMBOL_GPL(twl_get_version);
+/**
+ * twl_get_hfclk_rate - API to get TWL external HFCLK clock rate.
+ *
+ * Api to get the TWL HFCLK rate based on BOOT_CFG register.
+ */
+int twl_get_hfclk_rate(void)
+{
+ u8 ctrl;
+ int rate;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT);
+
+ switch (ctrl & 0x3) {
+ case HFCLK_FREQ_19p2_MHZ:
+ rate = 19200000;
+ break;
+ case HFCLK_FREQ_26_MHZ:
+ rate = 26000000;
+ break;
+ case HFCLK_FREQ_38p4_MHZ:
+ rate = 38400000;
+ break;
+ default:
+ pr_err("TWL4030: HFCLK is not configured\n");
+ rate = -EINVAL;
+ break;
+ }
+
+ return rate;
+}
+EXPORT_SYMBOL_GPL(twl_get_hfclk_rate);
+
static struct device *
add_numbered_child(unsigned chip, const char *name, int num,
void *pdata, unsigned pdata_len,
@@ -669,7 +630,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
struct device *child;
unsigned sub_chip_id;
- if (twl_has_gpio() && pdata->gpio) {
+ if (IS_ENABLED(CONFIG_GPIO_TWL4030) && pdata->gpio) {
child = add_child(SUB_CHIP_ID1, "twl4030_gpio",
pdata->gpio, sizeof(*pdata->gpio),
false, irq_base + GPIO_INTR_OFFSET, 0);
@@ -677,7 +638,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);
}
- if (twl_has_keypad() && pdata->keypad) {
+ if (IS_ENABLED(CONFIG_KEYBOARD_TWL4030) && pdata->keypad) {
child = add_child(SUB_CHIP_ID2, "twl4030_keypad",
pdata->keypad, sizeof(*pdata->keypad),
true, irq_base + KEYPAD_INTR_OFFSET, 0);
@@ -685,7 +646,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);
}
- if (twl_has_madc() && pdata->madc) {
+ if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc) {
child = add_child(2, "twl4030_madc",
pdata->madc, sizeof(*pdata->madc),
true, irq_base + MADC_INTR_OFFSET, 0);
@@ -693,7 +654,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);
}
- if (twl_has_rtc()) {
+ if (IS_ENABLED(CONFIG_RTC_DRV_TWL4030)) {
/*
* REVISIT platform_data here currently might expose the
* "msecure" line ... but for now we just expect board
@@ -709,7 +670,15 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);
}
- if (twl_has_usb() && pdata->usb && twl_class_is_4030()) {
+ if (IS_ENABLED(CONFIG_PWM_TWL6030) && twl_class_is_6030()) {
+ child = add_child(TWL6030_MODULE_ID1, "twl6030-pwm", NULL, 0,
+ false, 0, 0);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
+ if (IS_ENABLED(CONFIG_TWL4030_USB) && pdata->usb &&
+ twl_class_is_4030()) {
static struct regulator_consumer_supply usb1v5 = {
.supply = "usb1v5",
@@ -723,7 +692,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
};
/* First add the regulators so that they can be used by transceiver */
- if (twl_has_regulator()) {
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) {
/* this is a template that gets copied */
struct regulator_init_data usb_fixed = {
.constraints.valid_modes_mask =
@@ -765,18 +734,19 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);
/* we need to connect regulators to this transceiver */
- if (twl_has_regulator() && child) {
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) {
usb1v5.dev_name = dev_name(child);
usb1v8.dev_name = dev_name(child);
usb3v1[0].dev_name = dev_name(child);
}
}
- if (twl_has_usb() && pdata->usb && twl_class_is_6030()) {
+ if (IS_ENABLED(CONFIG_TWL6030_USB) && pdata->usb &&
+ twl_class_is_6030()) {
static struct regulator_consumer_supply usb3v3;
int regulator;
- if (twl_has_regulator()) {
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) {
/* this is a template that gets copied */
struct regulator_init_data usb_fixed = {
.constraints.valid_modes_mask =
@@ -813,9 +783,10 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
if (IS_ERR(child))
return PTR_ERR(child);
/* we need to connect regulators to this transceiver */
- if (twl_has_regulator() && child)
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child)
usb3v3.dev_name = dev_name(child);
- } else if (twl_has_regulator() && twl_class_is_6030()) {
+ } else if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) &&
+ twl_class_is_6030()) {
if (features & TWL6025_SUBCLASS)
child = add_regulator(TWL6025_REG_LDOUSB,
pdata->ldousb, features);
@@ -827,20 +798,21 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);
}
- if (twl_has_watchdog() && twl_class_is_4030()) {
+ if (IS_ENABLED(CONFIG_TWL4030_WATCHDOG) && twl_class_is_4030()) {
child = add_child(0, "twl4030_wdt", NULL, 0, false, 0, 0);
if (IS_ERR(child))
return PTR_ERR(child);
}
- if (twl_has_pwrbutton() && twl_class_is_4030()) {
+ if (IS_ENABLED(CONFIG_INPUT_TWL4030_PWRBUTTON) && twl_class_is_4030()) {
child = add_child(1, "twl4030_pwrbutton",
NULL, 0, true, irq_base + 8 + 0, 0);
if (IS_ERR(child))
return PTR_ERR(child);
}
- if (twl_has_codec() && pdata->audio && twl_class_is_4030()) {
+ if (IS_ENABLED(CONFIG_MFD_TWL4030_AUDIO) && pdata->audio &&
+ twl_class_is_4030()) {
sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid;
child = add_child(sub_chip_id, "twl4030-audio",
pdata->audio, sizeof(*pdata->audio),
@@ -850,7 +822,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
}
/* twl4030 regulators */
- if (twl_has_regulator() && twl_class_is_4030()) {
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_4030()) {
child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1,
features);
if (IS_ERR(child))
@@ -905,7 +877,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
}
/* maybe add LDOs that are omitted on cost-reduced parts */
- if (twl_has_regulator() && !(features & TPS_SUBSET)
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && !(features & TPS_SUBSET)
&& twl_class_is_4030()) {
child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2,
features);
@@ -939,7 +911,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
}
/* twl6030 regulators */
- if (twl_has_regulator() && twl_class_is_6030() &&
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() &&
!(features & TWL6025_SUBCLASS)) {
child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1,
features);
@@ -1013,7 +985,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
}
/* 6030 and 6025 share this regulator */
- if (twl_has_regulator() && twl_class_is_6030()) {
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030()) {
child = add_regulator(TWL6030_REG_VANA, pdata->vana,
features);
if (IS_ERR(child))
@@ -1021,7 +993,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
}
/* twl6025 regulators */
- if (twl_has_regulator() && twl_class_is_6030() &&
+ if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() &&
(features & TWL6025_SUBCLASS)) {
child = add_regulator(TWL6025_REG_LDO5, pdata->ldo5,
features);
@@ -1080,7 +1052,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
}
- if (twl_has_bci() && pdata->bci &&
+ if (IS_ENABLED(CONFIG_CHARGER_TWL4030) && pdata->bci &&
!(features & (TPS_SUBSET | TWL5031))) {
child = add_child(3, "twl4030_bci",
pdata->bci, sizeof(*pdata->bci), false,
@@ -1295,7 +1267,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
}
/* load power event scripts */
- if (twl_has_power() && pdata->power)
+ if (IS_ENABLED(CONFIG_TWL4030_POWER) && pdata->power)
twl4030_power_init(pdata->power);
/* Maybe init the T2 Interrupt subsystem */
diff --git a/drivers/mfd/twl4030-audio.c b/drivers/mfd/twl4030-audio.c
index 77c9acb14583..5c11acf9e0fd 100644
--- a/drivers/mfd/twl4030-audio.c
+++ b/drivers/mfd/twl4030-audio.c
@@ -28,6 +28,8 @@
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
#include <linux/i2c/twl.h>
#include <linux/mfd/core.h>
#include <linux/mfd/twl4030-audio.h>
@@ -156,47 +158,70 @@ unsigned int twl4030_audio_get_mclk(void)
}
EXPORT_SYMBOL_GPL(twl4030_audio_get_mclk);
+static bool twl4030_audio_has_codec(struct twl4030_audio_data *pdata,
+ struct device_node *node)
+{
+ if (pdata && pdata->codec)
+ return true;
+
+ if (of_find_node_by_name(node, "codec"))
+ return true;
+
+ return false;
+}
+
+static bool twl4030_audio_has_vibra(struct twl4030_audio_data *pdata,
+ struct device_node *node)
+{
+ int vibra;
+
+ if (pdata && pdata->vibra)
+ return true;
+
+ if (!of_property_read_u32(node, "ti,enable-vibra", &vibra) && vibra)
+ return true;
+
+ return false;
+}
+
static int __devinit twl4030_audio_probe(struct platform_device *pdev)
{
struct twl4030_audio *audio;
struct twl4030_audio_data *pdata = pdev->dev.platform_data;
+ struct device_node *node = pdev->dev.of_node;
struct mfd_cell *cell = NULL;
int ret, childs = 0;
u8 val;
- if (!pdata) {
+ if (!pdata && !node) {
dev_err(&pdev->dev, "Platform data is missing\n");
return -EINVAL;
}
+ audio = devm_kzalloc(&pdev->dev, sizeof(struct twl4030_audio),
+ GFP_KERNEL);
+ if (!audio)
+ return -ENOMEM;
+
+ mutex_init(&audio->mutex);
+ audio->audio_mclk = twl_get_hfclk_rate();
+
/* Configure APLL_INFREQ and disable APLL if enabled */
- val = 0;
- switch (pdata->audio_mclk) {
+ switch (audio->audio_mclk) {
case 19200000:
- val |= TWL4030_APLL_INFREQ_19200KHZ;
+ val = TWL4030_APLL_INFREQ_19200KHZ;
break;
case 26000000:
- val |= TWL4030_APLL_INFREQ_26000KHZ;
+ val = TWL4030_APLL_INFREQ_26000KHZ;
break;
case 38400000:
- val |= TWL4030_APLL_INFREQ_38400KHZ;
+ val = TWL4030_APLL_INFREQ_38400KHZ;
break;
default:
dev_err(&pdev->dev, "Invalid audio_mclk\n");
return -EINVAL;
}
- twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
- val, TWL4030_REG_APLL_CTL);
-
- audio = kzalloc(sizeof(struct twl4030_audio), GFP_KERNEL);
- if (!audio)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, audio);
-
- twl4030_audio_dev = pdev;
- mutex_init(&audio->mutex);
- audio->audio_mclk = pdata->audio_mclk;
+ twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, val, TWL4030_REG_APLL_CTL);
/* Codec power */
audio->resource[TWL4030_AUDIO_RES_POWER].reg = TWL4030_REG_CODEC_MODE;
@@ -206,21 +231,28 @@ static int __devinit twl4030_audio_probe(struct platform_device *pdev)
audio->resource[TWL4030_AUDIO_RES_APLL].reg = TWL4030_REG_APLL_CTL;
audio->resource[TWL4030_AUDIO_RES_APLL].mask = TWL4030_APLL_EN;
- if (pdata->codec) {
+ if (twl4030_audio_has_codec(pdata, node)) {
cell = &audio->cells[childs];
cell->name = "twl4030-codec";
- cell->platform_data = pdata->codec;
- cell->pdata_size = sizeof(*pdata->codec);
+ if (pdata) {
+ cell->platform_data = pdata->codec;
+ cell->pdata_size = sizeof(*pdata->codec);
+ }
childs++;
}
- if (pdata->vibra) {
+ if (twl4030_audio_has_vibra(pdata, node)) {
cell = &audio->cells[childs];
cell->name = "twl4030-vibra";
- cell->platform_data = pdata->vibra;
- cell->pdata_size = sizeof(*pdata->vibra);
+ if (pdata) {
+ cell->platform_data = pdata->vibra;
+ cell->pdata_size = sizeof(*pdata->vibra);
+ }
childs++;
}
+ platform_set_drvdata(pdev, audio);
+ twl4030_audio_dev = pdev;
+
if (childs)
ret = mfd_add_devices(&pdev->dev, pdev->id, audio->cells,
childs, NULL, 0, NULL);
@@ -229,39 +261,42 @@ static int __devinit twl4030_audio_probe(struct platform_device *pdev)
ret = -ENODEV;
}
- if (!ret)
- return 0;
+ if (ret) {
+ platform_set_drvdata(pdev, NULL);
+ twl4030_audio_dev = NULL;
+ }
- platform_set_drvdata(pdev, NULL);
- kfree(audio);
- twl4030_audio_dev = NULL;
return ret;
}
static int __devexit twl4030_audio_remove(struct platform_device *pdev)
{
- struct twl4030_audio *audio = platform_get_drvdata(pdev);
-
mfd_remove_devices(&pdev->dev);
platform_set_drvdata(pdev, NULL);
- kfree(audio);
twl4030_audio_dev = NULL;
return 0;
}
-MODULE_ALIAS("platform:twl4030-audio");
+static const struct of_device_id twl4030_audio_of_match[] = {
+ {.compatible = "ti,twl4030-audio", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, twl4030_audio_of_match);
static struct platform_driver twl4030_audio_driver = {
- .probe = twl4030_audio_probe,
- .remove = __devexit_p(twl4030_audio_remove),
.driver = {
.owner = THIS_MODULE,
.name = "twl4030-audio",
+ .of_match_table = twl4030_audio_of_match,
},
+ .probe = twl4030_audio_probe,
+ .remove = __devexit_p(twl4030_audio_remove),
};
module_platform_driver(twl4030_audio_driver);
MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
+MODULE_DESCRIPTION("TWL4030 audio block MFD driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:twl4030-audio");
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index 3dca5c195a20..3f2a1cf02fc0 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -584,7 +584,7 @@ static int __devinit twl6040_probe(struct i2c_client *client,
goto irq_init_err;
ret = request_threaded_irq(twl6040->irq_base + TWL6040_IRQ_READY,
- NULL, twl6040_naudint_handler, 0,
+ NULL, twl6040_naudint_handler, IRQF_ONESHOT,
"twl6040_irq_ready", twl6040);
if (ret) {
dev_err(twl6040->dev, "READY IRQ request failed: %d\n",
@@ -631,6 +631,21 @@ static int __devinit twl6040_probe(struct i2c_client *client,
children++;
}
+ /*
+ * Enable the GPO driver in the following cases:
+ * DT booted kernel or legacy boot with valid gpo platform_data
+ */
+ if (!pdata || (pdata && pdata->gpo)) {
+ cell = &twl6040->cells[children];
+ cell->name = "twl6040-gpo";
+
+ if (pdata) {
+ cell->platform_data = pdata->gpo;
+ cell->pdata_size = sizeof(*pdata->gpo);
+ }
+ children++;
+ }
+
ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children,
NULL, 0, NULL);
if (ret)
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index bd8782c8896b..adda6b10b90d 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -133,15 +133,109 @@ static const struct reg_default wm5110_reva_patch[] = {
{ 0x209, 0x002A },
};
+static const struct reg_default wm5110_revb_patch[] = {
+ { 0x80, 0x3 },
+ { 0x36e, 0x0210 },
+ { 0x370, 0x0210 },
+ { 0x372, 0x0210 },
+ { 0x374, 0x0210 },
+ { 0x376, 0x0210 },
+ { 0x378, 0x0210 },
+ { 0x36d, 0x0028 },
+ { 0x36f, 0x0028 },
+ { 0x371, 0x0028 },
+ { 0x373, 0x0028 },
+ { 0x375, 0x0028 },
+ { 0x377, 0x0028 },
+ { 0x280, 0x2002 },
+ { 0x44, 0x20 },
+ { 0x45, 0x40 },
+ { 0x46, 0x60 },
+ { 0x47, 0x80 },
+ { 0x48, 0xa0 },
+ { 0x51, 0x13 },
+ { 0x52, 0x33 },
+ { 0x53, 0x53 },
+ { 0x54, 0x73 },
+ { 0x55, 0x93 },
+ { 0x56, 0xb3 },
+ { 0xc30, 0x3e3e },
+ { 0xc31, 0x3e },
+ { 0xc32, 0x3e3e },
+ { 0xc33, 0x3e3e },
+ { 0xc34, 0x3e3e },
+ { 0xc35, 0x3e3e },
+ { 0xc36, 0x3e3e },
+ { 0xc37, 0x3e3e },
+ { 0xc38, 0x3e3e },
+ { 0xc39, 0x3e3e },
+ { 0xc3a, 0x3e3e },
+ { 0xc3b, 0x3e3e },
+ { 0xc3c, 0x3e },
+ { 0x201, 0x18a5 },
+ { 0x202, 0x4100 },
+ { 0x460, 0x0c40 },
+ { 0x461, 0x8000 },
+ { 0x462, 0x0c41 },
+ { 0x463, 0x4820 },
+ { 0x464, 0x0c41 },
+ { 0x465, 0x4040 },
+ { 0x466, 0x0841 },
+ { 0x467, 0x3940 },
+ { 0x468, 0x0841 },
+ { 0x469, 0x2030 },
+ { 0x46a, 0x0842 },
+ { 0x46b, 0x1990 },
+ { 0x46c, 0x08c2 },
+ { 0x46d, 0x1450 },
+ { 0x46e, 0x08c6 },
+ { 0x46f, 0x1020 },
+ { 0x470, 0x08c6 },
+ { 0x471, 0x0cd0 },
+ { 0x472, 0x08c6 },
+ { 0x473, 0x0a30 },
+ { 0x474, 0x0442 },
+ { 0x475, 0x0660 },
+ { 0x476, 0x0446 },
+ { 0x477, 0x0510 },
+ { 0x478, 0x04c6 },
+ { 0x479, 0x0400 },
+ { 0x47a, 0x04ce },
+ { 0x47b, 0x0330 },
+ { 0x47c, 0x05df },
+ { 0x47d, 0x0001 },
+ { 0x47e, 0x07ff },
+ { 0x2db, 0x0a00 },
+ { 0x2dd, 0x0023 },
+ { 0x2df, 0x0102 },
+ { 0x2ef, 0x924 },
+ { 0x2f0, 0x924 },
+ { 0x2f1, 0x924 },
+ { 0x2f2, 0x924 },
+ { 0x2f3, 0x924 },
+ { 0x2f4, 0x924 },
+ { 0x2eb, 0x60 },
+ { 0x2ec, 0x60 },
+ { 0x2ed, 0x60 },
+ { 0x4f2, 0x33e },
+ { 0x458, 0x0000 },
+ { 0x15a, 0x0003 },
+ { 0x80, 0x0 },
+};
+
/* We use a function so we can use ARRAY_SIZE() */
int wm5110_patch(struct arizona *arizona)
{
switch (arizona->rev) {
case 0:
- case 1:
return regmap_register_patch(arizona->regmap,
wm5110_reva_patch,
ARRAY_SIZE(wm5110_reva_patch));
+ case 1:
+ return regmap_register_patch(arizona->regmap,
+ wm5110_revb_patch,
+ ARRAY_SIZE(wm5110_revb_patch));
+
default:
return 0;
}
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 301731035940..521340a708d3 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -614,18 +614,11 @@ int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
}
EXPORT_SYMBOL_GPL(wm831x_set_bits);
-static struct resource wm831x_io_parent = {
- .start = 0,
- .end = 0xffffffff,
- .flags = IORESOURCE_IO,
-};
-
static struct resource wm831x_dcdc1_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_DC1_CONTROL_1,
.end = WM831X_DC1_DVS_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -644,10 +637,9 @@ static struct resource wm831x_dcdc1_resources[] = {
static struct resource wm831x_dcdc2_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_DC2_CONTROL_1,
.end = WM831X_DC2_DVS_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -665,10 +657,9 @@ static struct resource wm831x_dcdc2_resources[] = {
static struct resource wm831x_dcdc3_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_DC3_CONTROL_1,
.end = WM831X_DC3_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -680,10 +671,9 @@ static struct resource wm831x_dcdc3_resources[] = {
static struct resource wm831x_dcdc4_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_DC4_CONTROL,
.end = WM831X_DC4_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -695,10 +685,9 @@ static struct resource wm831x_dcdc4_resources[] = {
static struct resource wm8320_dcdc4_buck_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_DC4_CONTROL,
.end = WM832X_DC4_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -718,10 +707,9 @@ static struct resource wm831x_gpio_resources[] = {
static struct resource wm831x_isink1_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_CURRENT_SINK_1,
.end = WM831X_CURRENT_SINK_1,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.start = WM831X_IRQ_CS1,
@@ -732,10 +720,9 @@ static struct resource wm831x_isink1_resources[] = {
static struct resource wm831x_isink2_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_CURRENT_SINK_2,
.end = WM831X_CURRENT_SINK_2,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.start = WM831X_IRQ_CS2,
@@ -746,10 +733,9 @@ static struct resource wm831x_isink2_resources[] = {
static struct resource wm831x_ldo1_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO1_CONTROL,
.end = WM831X_LDO1_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -761,10 +747,9 @@ static struct resource wm831x_ldo1_resources[] = {
static struct resource wm831x_ldo2_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO2_CONTROL,
.end = WM831X_LDO2_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -776,10 +761,9 @@ static struct resource wm831x_ldo2_resources[] = {
static struct resource wm831x_ldo3_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO3_CONTROL,
.end = WM831X_LDO3_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -791,10 +775,9 @@ static struct resource wm831x_ldo3_resources[] = {
static struct resource wm831x_ldo4_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO4_CONTROL,
.end = WM831X_LDO4_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -806,10 +789,9 @@ static struct resource wm831x_ldo4_resources[] = {
static struct resource wm831x_ldo5_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO5_CONTROL,
.end = WM831X_LDO5_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -821,10 +803,9 @@ static struct resource wm831x_ldo5_resources[] = {
static struct resource wm831x_ldo6_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO6_CONTROL,
.end = WM831X_LDO6_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -836,10 +817,9 @@ static struct resource wm831x_ldo6_resources[] = {
static struct resource wm831x_ldo7_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO7_CONTROL,
.end = WM831X_LDO7_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -851,10 +831,9 @@ static struct resource wm831x_ldo7_resources[] = {
static struct resource wm831x_ldo8_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO8_CONTROL,
.end = WM831X_LDO8_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -866,10 +845,9 @@ static struct resource wm831x_ldo8_resources[] = {
static struct resource wm831x_ldo9_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO9_CONTROL,
.end = WM831X_LDO9_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -881,10 +859,9 @@ static struct resource wm831x_ldo9_resources[] = {
static struct resource wm831x_ldo10_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO10_CONTROL,
.end = WM831X_LDO10_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
{
.name = "UV",
@@ -896,10 +873,9 @@ static struct resource wm831x_ldo10_resources[] = {
static struct resource wm831x_ldo11_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_LDO11_ON_CONTROL,
.end = WM831X_LDO11_SLEEP_CONTROL,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
};
@@ -998,19 +974,17 @@ static struct resource wm831x_rtc_resources[] = {
static struct resource wm831x_status1_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_STATUS_LED_1,
.end = WM831X_STATUS_LED_1,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
};
static struct resource wm831x_status2_resources[] = {
{
- .parent = &wm831x_io_parent,
.start = WM831X_STATUS_LED_2,
.end = WM831X_STATUS_LED_2,
- .flags = IORESOURCE_IO,
+ .flags = IORESOURCE_REG,
},
};
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 2febf88cfce8..3d6d9beb18d4 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -390,7 +390,7 @@ static const __devinitdata struct reg_default wm8958_reva_patch[] = {
static const __devinitdata struct reg_default wm1811_reva_patch[] = {
{ 0x102, 0x3 },
- { 0x56, 0x7 },
+ { 0x56, 0xc07 },
{ 0x5d, 0x7e },
{ 0x5e, 0x0 },
{ 0x102, 0x0 },
diff --git a/drivers/mfd/wm8994-regmap.c b/drivers/mfd/wm8994-regmap.c
index 52e9e2944940..2fbce9c5950b 100644
--- a/drivers/mfd/wm8994-regmap.c
+++ b/drivers/mfd/wm8994-regmap.c
@@ -1136,7 +1136,7 @@ static bool wm1811_volatile_register(struct device *dev, unsigned int reg)
switch (reg) {
case WM8994_GPIO_6:
- if (wm8994->revision > 1)
+ if (wm8994->cust_id > 1 || wm8994->revision > 1)
return true;
else
return false;
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 90c5c7357a50..d7c6b83097c1 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -115,6 +115,15 @@ config PWM_TIEHRPWM
To compile this driver as a module, choose M here: the module
will be called pwm-tiehrpwm.
+config PWM_TWL6030
+ tristate "TWL6030 PWM support"
+ depends on TWL4030_CORE
+ help
+ Generic PWM framework driver for TWL6030.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-twl6030.
+
config PWM_VT8500
tristate "vt8500 pwm support"
depends on ARCH_VT8500
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index e4b2c898964d..78f123dca30d 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -8,4 +8,5 @@ obj-$(CONFIG_PWM_SAMSUNG) += pwm-samsung.o
obj-$(CONFIG_PWM_TEGRA) += pwm-tegra.o
obj-$(CONFIG_PWM_TIECAP) += pwm-tiecap.o
obj-$(CONFIG_PWM_TIEHRPWM) += pwm-tiehrpwm.o
+obj-$(CONFIG_PWM_TWL6030) += pwm-twl6030.o
obj-$(CONFIG_PWM_VT8500) += pwm-vt8500.o
diff --git a/drivers/mfd/twl6030-pwm.c b/drivers/pwm/pwm-twl6030.c
index e8fee147678d..8e6387864ca2 100644
--- a/drivers/mfd/twl6030-pwm.c
+++ b/drivers/pwm/pwm-twl6030.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/pwm.h>
#include <linux/i2c/twl.h>
#include <linux/slab.h>
@@ -45,40 +46,54 @@
#define PWM_CTRL2_MODE_MASK 0x3
-struct pwm_device {
- const char *label;
- unsigned int pwm_id;
+struct twl6030_pwm_chip {
+ struct pwm_chip chip;
};
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
+static int twl6030_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
{
- u8 duty_cycle;
int ret;
+ u8 val;
- if (pwm == NULL || period_ns == 0 || duty_ns > period_ns)
- return -EINVAL;
+ /* Configure PWM */
+ val = PWM_CTRL2_DIS_PD | PWM_CTRL2_CURR_02 | PWM_CTRL2_SRC_VAC |
+ PWM_CTRL2_MODE_HW;
- duty_cycle = (duty_ns * PWM_CTRL1_MAX) / period_ns;
+ ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2);
+ if (ret < 0) {
+ dev_err(chip->dev, "%s: Failed to configure PWM, Error %d\n",
+ pwm->label, ret);
+ return ret;
+ }
- ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, duty_cycle, LED_PWM_CTRL1);
+ return 0;
+}
+static int twl6030_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
+ int duty_ns, int period_ns)
+{
+ u8 duty_cycle = (duty_ns * PWM_CTRL1_MAX) / period_ns;
+ int ret;
+
+ ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, duty_cycle, LED_PWM_CTRL1);
if (ret < 0) {
pr_err("%s: Failed to configure PWM, Error %d\n",
pwm->label, ret);
return ret;
}
+
return 0;
}
-EXPORT_SYMBOL(pwm_config);
-int pwm_enable(struct pwm_device *pwm)
+static int twl6030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
{
- u8 val;
int ret;
+ u8 val;
ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, LED_PWM_CTRL2);
if (ret < 0) {
- pr_err("%s: Failed to enable PWM, Error %d\n", pwm->label, ret);
+ dev_err(chip->dev, "%s: Failed to enable PWM, Error %d\n",
+ pwm->label, ret);
return ret;
}
@@ -88,23 +103,23 @@ int pwm_enable(struct pwm_device *pwm)
ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2);
if (ret < 0) {
- pr_err("%s: Failed to enable PWM, Error %d\n", pwm->label, ret);
+ dev_err(chip->dev, "%s: Failed to enable PWM, Error %d\n",
+ pwm->label, ret);
return ret;
}
twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, LED_PWM_CTRL2);
return 0;
}
-EXPORT_SYMBOL(pwm_enable);
-void pwm_disable(struct pwm_device *pwm)
+static void twl6030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
{
- u8 val;
int ret;
+ u8 val;
ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, LED_PWM_CTRL2);
if (ret < 0) {
- pr_err("%s: Failed to disable PWM, Error %d\n",
+ dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n",
pwm->label, ret);
return;
}
@@ -114,52 +129,56 @@ void pwm_disable(struct pwm_device *pwm)
ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2);
if (ret < 0) {
- pr_err("%s: Failed to disable PWM, Error %d\n",
+ dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n",
pwm->label, ret);
- return;
}
- return;
}
-EXPORT_SYMBOL(pwm_disable);
-struct pwm_device *pwm_request(int pwm_id, const char *label)
+static const struct pwm_ops twl6030_pwm_ops = {
+ .request = twl6030_pwm_request,
+ .config = twl6030_pwm_config,
+ .enable = twl6030_pwm_enable,
+ .disable = twl6030_pwm_disable,
+};
+
+static int twl6030_pwm_probe(struct platform_device *pdev)
{
- u8 val;
+ struct twl6030_pwm_chip *twl6030;
int ret;
- struct pwm_device *pwm;
-
- pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
- if (pwm == NULL) {
- pr_err("%s: failed to allocate memory\n", label);
- return NULL;
- }
- pwm->label = label;
- pwm->pwm_id = pwm_id;
-
- /* Configure PWM */
- val = PWM_CTRL2_DIS_PD | PWM_CTRL2_CURR_02 | PWM_CTRL2_SRC_VAC |
- PWM_CTRL2_MODE_HW;
+ twl6030 = devm_kzalloc(&pdev->dev, sizeof(*twl6030), GFP_KERNEL);
+ if (!twl6030)
+ return -ENOMEM;
- ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2);
+ twl6030->chip.dev = &pdev->dev;
+ twl6030->chip.ops = &twl6030_pwm_ops;
+ twl6030->chip.base = -1;
+ twl6030->chip.npwm = 1;
- if (ret < 0) {
- pr_err("%s: Failed to configure PWM, Error %d\n",
- pwm->label, ret);
+ ret = pwmchip_add(&twl6030->chip);
+ if (ret < 0)
+ return ret;
- kfree(pwm);
- return NULL;
- }
+ platform_set_drvdata(pdev, twl6030);
- return pwm;
+ return 0;
}
-EXPORT_SYMBOL(pwm_request);
-void pwm_free(struct pwm_device *pwm)
+static int twl6030_pwm_remove(struct platform_device *pdev)
{
- pwm_disable(pwm);
- kfree(pwm);
+ struct twl6030_pwm_chip *twl6030 = platform_get_drvdata(pdev);
+
+ return pwmchip_remove(&twl6030->chip);
}
-EXPORT_SYMBOL(pwm_free);
+static struct platform_driver twl6030_pwm_driver = {
+ .driver = {
+ .name = "twl6030-pwm",
+ },
+ .probe = twl6030_pwm_probe,
+ .remove = __devexit_p(twl6030_pwm_remove),
+};
+module_platform_driver(twl6030_pwm_driver);
+
+MODULE_ALIAS("platform:twl6030-pwm");
MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index c3482b954cb7..1c5ab0172ea2 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -12,6 +12,8 @@
#include <linux/init.h>
#include <linux/err.h>
#include <linux/i2c.h>
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
@@ -23,6 +25,7 @@ struct pm8607_regulator_info {
struct pm860x_chip *chip;
struct regulator_dev *regulator;
struct i2c_client *i2c;
+ struct i2c_client *i2c_8606;
unsigned int *vol_table;
unsigned int *vol_suspend;
@@ -242,6 +245,35 @@ static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
return ret;
}
+static int pm8606_preg_enable(struct regulator_dev *rdev)
+{
+ struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
+
+ return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
+ 1 << rdev->desc->enable_mask, 0);
+}
+
+static int pm8606_preg_disable(struct regulator_dev *rdev)
+{
+ struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
+
+ return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
+ 1 << rdev->desc->enable_mask,
+ 1 << rdev->desc->enable_mask);
+}
+
+static int pm8606_preg_is_enabled(struct regulator_dev *rdev)
+{
+ struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
+ int ret;
+
+ ret = pm860x_reg_read(info->i2c, rdev->desc->enable_reg);
+ if (ret < 0)
+ return ret;
+
+ return !((unsigned char)ret & (1 << rdev->desc->enable_mask));
+}
+
static struct regulator_ops pm8607_regulator_ops = {
.list_voltage = pm8607_list_voltage,
.set_voltage_sel = pm8607_set_voltage_sel,
@@ -251,6 +283,25 @@ static struct regulator_ops pm8607_regulator_ops = {
.is_enabled = regulator_is_enabled_regmap,
};
+static struct regulator_ops pm8606_preg_ops = {
+ .enable = pm8606_preg_enable,
+ .disable = pm8606_preg_disable,
+ .is_enabled = pm8606_preg_is_enabled,
+};
+
+#define PM8606_PREG(ereg, ebit) \
+{ \
+ .desc = { \
+ .name = "PREG", \
+ .ops = &pm8606_preg_ops, \
+ .type = REGULATOR_CURRENT, \
+ .id = PM8606_ID_PREG, \
+ .owner = THIS_MODULE, \
+ .enable_reg = PM8606_##ereg, \
+ .enable_mask = (ebit), \
+ }, \
+}
+
#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
{ \
.desc = { \
@@ -311,6 +362,38 @@ static struct pm8607_regulator_info pm8607_regulator_info[] = {
PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
};
+static struct pm8607_regulator_info pm8606_regulator_info[] = {
+ PM8606_PREG(PREREGULATORB, 5),
+};
+
+#ifdef CONFIG_OF
+static int pm8607_regulator_dt_init(struct platform_device *pdev,
+ struct pm8607_regulator_info *info,
+ struct regulator_config *config)
+{
+ struct device_node *nproot, *np;
+ nproot = pdev->dev.parent->of_node;
+ if (!nproot)
+ return -ENODEV;
+ nproot = of_find_node_by_name(nproot, "regulators");
+ if (!nproot) {
+ dev_err(&pdev->dev, "failed to find regulators node\n");
+ return -ENODEV;
+ }
+ for_each_child_of_node(nproot, np) {
+ if (!of_node_cmp(np->name, info->desc.name)) {
+ config->init_data =
+ of_get_regulator_init_data(&pdev->dev, np);
+ config->of_node = np;
+ break;
+ }
+ }
+ return 0;
+}
+#else
+#define pm8607_regulator_dt_init(x, y, z) (-1)
+#endif
+
static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
@@ -320,22 +403,28 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
struct resource *res;
int i;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource!\n");
- return -EINVAL;
- }
- for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
- info = &pm8607_regulator_info[i];
- if (info->desc.id == res->start)
- break;
- }
- if (i == ARRAY_SIZE(pm8607_regulator_info)) {
- dev_err(&pdev->dev, "Failed to find regulator %llu\n",
- (unsigned long long)res->start);
- return -EINVAL;
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
+ if (res) {
+ /* There're resources in 88PM8607 regulator driver */
+ for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
+ info = &pm8607_regulator_info[i];
+ if (info->desc.vsel_reg == res->start)
+ break;
+ }
+ if (i == ARRAY_SIZE(pm8607_regulator_info)) {
+ dev_err(&pdev->dev, "Failed to find regulator %llu\n",
+ (unsigned long long)res->start);
+ return -EINVAL;
+ }
+ } else {
+ /* There's no resource in 88PM8606 PREG regulator driver */
+ info = &pm8606_regulator_info[0];
+ /* i is used to check regulator ID */
+ i = -1;
}
info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+ info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
+ chip->client;
info->chip = chip;
/* check DVC ramp slope double */
@@ -343,15 +432,17 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
info->slope_double = 1;
config.dev = &pdev->dev;
- config.init_data = pdata;
config.driver_data = info;
+ if (pm8607_regulator_dt_init(pdev, info, &config))
+ if (pdata)
+ config.init_data = pdata;
+
if (chip->id == CHIP_PM8607)
config.regmap = chip->regmap;
else
config.regmap = chip->regmap_companion;
- /* replace driver_data with info */
info->regulator = regulator_register(&info->desc, &config);
if (IS_ERR(info->regulator)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
@@ -372,6 +463,18 @@ static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
return 0;
}
+static struct platform_device_id pm8607_regulator_driver_ids[] = {
+ {
+ .name = "88pm860x-regulator",
+ .driver_data = 0,
+ }, {
+ .name = "88pm860x-preg",
+ .driver_data = 0,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids);
+
static struct platform_driver pm8607_regulator_driver = {
.driver = {
.name = "88pm860x-regulator",
@@ -379,6 +482,7 @@ static struct platform_driver pm8607_regulator_driver = {
},
.probe = pm8607_regulator_probe,
.remove = __devexit_p(pm8607_regulator_remove),
+ .id_table = pm8607_regulator_driver_ids,
};
static int __init pm8607_regulator_init(void)
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index e98a5e7827df..67d47b59a66d 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -122,7 +122,7 @@ config REGULATOR_FAN53555
config REGULATOR_ANATOP
tristate "Freescale i.MX on-chip ANATOP LDO regulators"
- depends on MFD_ANATOP
+ depends on MFD_SYSCON
help
Say y here to support Freescale i.MX on-chip ANATOP LDOs
regulators. It is recommended that this option be
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 65ad2b36ce36..df4ad8927f0c 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -15,6 +15,7 @@
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
+#include <linux/mfd/ab3100.h>
#include <linux/mfd/abx500.h>
/* LDO registers and some handy masking definitions for AB3100 */
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index ce0fe72a428e..1af97686f444 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -21,19 +21,20 @@
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/module.h>
+#include <linux/mfd/syscon.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/mfd/anatop.h>
+#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
struct anatop_regulator {
const char *name;
u32 control_reg;
- struct anatop *mfd;
+ struct regmap *anatop;
int vol_bit_shift;
int vol_bit_width;
int min_bit_val;
@@ -43,7 +44,8 @@ struct anatop_regulator {
struct regulator_init_data *initdata;
};
-static int anatop_set_voltage_sel(struct regulator_dev *reg, unsigned selector)
+static int anatop_regmap_set_voltage_sel(struct regulator_dev *reg,
+ unsigned selector)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
u32 val, mask;
@@ -56,12 +58,13 @@ static int anatop_set_voltage_sel(struct regulator_dev *reg, unsigned selector)
mask = ((1 << anatop_reg->vol_bit_width) - 1) <<
anatop_reg->vol_bit_shift;
val <<= anatop_reg->vol_bit_shift;
- anatop_write_reg(anatop_reg->mfd, anatop_reg->control_reg, val, mask);
+ regmap_update_bits(anatop_reg->anatop, anatop_reg->control_reg,
+ mask, val);
return 0;
}
-static int anatop_get_voltage_sel(struct regulator_dev *reg)
+static int anatop_regmap_get_voltage_sel(struct regulator_dev *reg)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
u32 val, mask;
@@ -69,7 +72,7 @@ static int anatop_get_voltage_sel(struct regulator_dev *reg)
if (!anatop_reg->control_reg)
return -ENOTSUPP;
- val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg);
+ regmap_read(anatop_reg->anatop, anatop_reg->control_reg, &val);
mask = ((1 << anatop_reg->vol_bit_width) - 1) <<
anatop_reg->vol_bit_shift;
val = (val & mask) >> anatop_reg->vol_bit_shift;
@@ -78,8 +81,8 @@ static int anatop_get_voltage_sel(struct regulator_dev *reg)
}
static struct regulator_ops anatop_rops = {
- .set_voltage_sel = anatop_set_voltage_sel,
- .get_voltage_sel = anatop_get_voltage_sel,
+ .set_voltage_sel = anatop_regmap_set_voltage_sel,
+ .get_voltage_sel = anatop_regmap_get_voltage_sel,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
};
@@ -88,11 +91,11 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
+ struct device_node *anatop_np;
struct regulator_desc *rdesc;
struct regulator_dev *rdev;
struct anatop_regulator *sreg;
struct regulator_init_data *initdata;
- struct anatop *anatopmfd = dev_get_drvdata(pdev->dev.parent);
struct regulator_config config = { };
int ret = 0;
@@ -109,7 +112,15 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev)
rdesc->ops = &anatop_rops;
rdesc->type = REGULATOR_VOLTAGE;
rdesc->owner = THIS_MODULE;
- sreg->mfd = anatopmfd;
+
+ anatop_np = of_get_parent(np);
+ if (!anatop_np)
+ return -ENODEV;
+ sreg->anatop = syscon_node_to_regmap(anatop_np);
+ of_node_put(anatop_np);
+ if (IS_ERR(sreg->anatop))
+ return PTR_ERR(sreg->anatop);
+
ret = of_property_read_u32(np, "anatop-reg-offset",
&sreg->control_reg);
if (ret) {
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index 43dc97ec3932..9bb0be37495f 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -214,37 +214,36 @@ static struct max8925_regulator_info max8925_regulator_info[] = {
MAX8925_LDO(20, 750, 3900, 50),
};
-static struct max8925_regulator_info * __devinit find_regulator_info(int id)
-{
- struct max8925_regulator_info *ri;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(max8925_regulator_info); i++) {
- ri = &max8925_regulator_info[i];
- if (ri->desc.id == id)
- return ri;
- }
- return NULL;
-}
-
static int __devinit max8925_regulator_probe(struct platform_device *pdev)
{
struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct max8925_platform_data *pdata = chip->dev->platform_data;
+ struct regulator_init_data *pdata = pdev->dev.platform_data;
struct regulator_config config = { };
struct max8925_regulator_info *ri;
+ struct resource *res;
struct regulator_dev *rdev;
+ int i;
- ri = find_regulator_info(pdev->id);
- if (ri == NULL) {
- dev_err(&pdev->dev, "invalid regulator ID specified\n");
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource!\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < ARRAY_SIZE(max8925_regulator_info); i++) {
+ ri = &max8925_regulator_info[i];
+ if (ri->vol_reg == res->start)
+ break;
+ }
+ if (i == ARRAY_SIZE(max8925_regulator_info)) {
+ dev_err(&pdev->dev, "Failed to find regulator %llu\n",
+ (unsigned long long)res->start);
return -EINVAL;
}
ri->i2c = chip->i2c;
ri->chip = chip;
config.dev = &pdev->dev;
- config.init_data = pdata->regulator[pdev->id];
+ config.init_data = pdata;
config.driver_data = ri;
rdev = regulator_register(&ri->desc, &config);
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 2ba7502fa3b2..07aee694ba92 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -22,6 +22,9 @@
#include <linux/slab.h>
#include <linux/regmap.h>
#include <linux/mfd/palmas.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/regulator/of_regulator.h>
struct regs_info {
char *name;
@@ -568,10 +571,103 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
return 0;
}
+static struct of_regulator_match palmas_matches[] = {
+ { .name = "smps12", },
+ { .name = "smps123", },
+ { .name = "smps3", },
+ { .name = "smps45", },
+ { .name = "smps457", },
+ { .name = "smps6", },
+ { .name = "smps7", },
+ { .name = "smps8", },
+ { .name = "smps9", },
+ { .name = "smps10", },
+ { .name = "ldo1", },
+ { .name = "ldo2", },
+ { .name = "ldo3", },
+ { .name = "ldo4", },
+ { .name = "ldo5", },
+ { .name = "ldo6", },
+ { .name = "ldo7", },
+ { .name = "ldo8", },
+ { .name = "ldo9", },
+ { .name = "ldoln", },
+ { .name = "ldousb", },
+};
+
+static void __devinit palmas_dt_to_pdata(struct device *dev,
+ struct device_node *node,
+ struct palmas_pmic_platform_data *pdata)
+{
+ struct device_node *regulators;
+ u32 prop;
+ int idx, ret;
+
+ regulators = of_find_node_by_name(node, "regulators");
+ if (!regulators) {
+ dev_info(dev, "regulator node not found\n");
+ return;
+ }
+
+ ret = of_regulator_match(dev, regulators, palmas_matches,
+ PALMAS_NUM_REGS);
+ if (ret < 0) {
+ dev_err(dev, "Error parsing regulator init data: %d\n", ret);
+ return;
+ }
+
+ for (idx = 0; idx < PALMAS_NUM_REGS; idx++) {
+ if (!palmas_matches[idx].init_data ||
+ !palmas_matches[idx].of_node)
+ continue;
+
+ pdata->reg_data[idx] = palmas_matches[idx].init_data;
+
+ pdata->reg_init[idx] = devm_kzalloc(dev,
+ sizeof(struct palmas_reg_init), GFP_KERNEL);
+
+ ret = of_property_read_u32(palmas_matches[idx].of_node,
+ "ti,warm_reset", &prop);
+ if (!ret)
+ pdata->reg_init[idx]->warm_reset = prop;
+
+ ret = of_property_read_u32(palmas_matches[idx].of_node,
+ "ti,roof_floor", &prop);
+ if (!ret)
+ pdata->reg_init[idx]->roof_floor = prop;
+
+ ret = of_property_read_u32(palmas_matches[idx].of_node,
+ "ti,mode_sleep", &prop);
+ if (!ret)
+ pdata->reg_init[idx]->mode_sleep = prop;
+
+ ret = of_property_read_u32(palmas_matches[idx].of_node,
+ "ti,warm_reset", &prop);
+ if (!ret)
+ pdata->reg_init[idx]->warm_reset = prop;
+
+ ret = of_property_read_u32(palmas_matches[idx].of_node,
+ "ti,tstep", &prop);
+ if (!ret)
+ pdata->reg_init[idx]->tstep = prop;
+
+ ret = of_property_read_u32(palmas_matches[idx].of_node,
+ "ti,vsel", &prop);
+ if (!ret)
+ pdata->reg_init[idx]->vsel = prop;
+ }
+
+ ret = of_property_read_u32(node, "ti,ldo6_vibrator", &prop);
+ if (!ret)
+ pdata->ldo6_vibrator = prop;
+}
+
+
static __devinit int palmas_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data;
+ struct device_node *node = pdev->dev.of_node;
struct regulator_dev *rdev;
struct regulator_config config = { };
struct palmas_pmic *pmic;
@@ -579,10 +675,14 @@ static __devinit int palmas_probe(struct platform_device *pdev)
int id = 0, ret;
unsigned int addr, reg;
- if (!pdata)
- return -EINVAL;
- if (!pdata->reg_data)
- return -EINVAL;
+ if (node && !pdata) {
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+
+ if (!pdata)
+ return -ENOMEM;
+
+ palmas_dt_to_pdata(&pdev->dev, node, pdata);
+ }
pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
@@ -661,7 +761,7 @@ static __devinit int palmas_probe(struct platform_device *pdev)
pmic->desc[id].owner = THIS_MODULE;
/* Initialise sleep/init values from platform data */
- if (pdata && pdata->reg_init) {
+ if (pdata) {
reg_init = pdata->reg_init[id];
if (reg_init) {
ret = palmas_smps_init(palmas, id, reg_init);
@@ -685,11 +785,13 @@ static __devinit int palmas_probe(struct platform_device *pdev)
pmic->range[id] = 1;
}
- if (pdata && pdata->reg_data)
+ if (pdata)
config.init_data = pdata->reg_data[id];
else
config.init_data = NULL;
+ config.of_node = palmas_matches[id].of_node;
+
rdev = regulator_register(&pmic->desc[id], &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev,
@@ -726,11 +828,13 @@ static __devinit int palmas_probe(struct platform_device *pdev)
palmas_regs_info[id].ctrl_addr);
pmic->desc[id].enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
- if (pdata && pdata->reg_data)
+ if (pdata)
config.init_data = pdata->reg_data[id];
else
config.init_data = NULL;
+ config.of_node = palmas_matches[id].of_node;
+
rdev = regulator_register(&pmic->desc[id], &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev,
@@ -744,7 +848,7 @@ static __devinit int palmas_probe(struct platform_device *pdev)
pmic->rdev[id] = rdev;
/* Initialise sleep/init values from platform data */
- if (pdata->reg_init) {
+ if (pdata) {
reg_init = pdata->reg_init[id];
if (reg_init) {
ret = palmas_ldo_init(palmas, id, reg_init);
@@ -774,9 +878,15 @@ static int __devexit palmas_remove(struct platform_device *pdev)
return 0;
}
+static struct of_device_id __devinitdata of_palmas_match_tbl[] = {
+ { .compatible = "ti,palmas-pmic", },
+ { /* end */ }
+};
+
static struct platform_driver palmas_driver = {
.driver = {
.name = "palmas-pmic",
+ .of_match_table = of_palmas_match_tbl,
.owner = THIS_MODULE,
},
.probe = palmas_probe,
@@ -799,3 +909,4 @@ MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
MODULE_DESCRIPTION("Palmas voltage regulator driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:palmas-pmic");
+MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 90cbcc683704..782c228a19bd 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -475,9 +475,9 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
dcdc->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
@@ -650,9 +650,9 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
dcdc->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
@@ -794,9 +794,9 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
dcdc->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 0d207c297714..2646a1902b33 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -172,9 +172,9 @@ static __devinit int wm831x_isink_probe(struct platform_device *pdev)
isink->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 9af512672be1..c2dc03993dc7 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -273,9 +273,9 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
ldo->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
@@ -530,9 +530,9 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
ldo->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
@@ -687,9 +687,9 @@ static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
ldo->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c
index feddefc42109..de9e854b326a 100644
--- a/drivers/rtc/rtc-88pm860x.c
+++ b/drivers/rtc/rtc-88pm860x.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/mutex.h>
@@ -284,6 +285,28 @@ out:
}
#endif
+#ifdef CONFIG_OF
+static int __devinit pm860x_rtc_dt_init(struct platform_device *pdev,
+ struct pm860x_rtc_info *info)
+{
+ struct device_node *np = pdev->dev.parent->of_node;
+ int ret;
+ if (!np)
+ return -ENODEV;
+ np = of_find_node_by_name(np, "rtc");
+ if (!np) {
+ dev_err(&pdev->dev, "failed to find rtc node\n");
+ return -ENODEV;
+ }
+ ret = of_property_read_u32(np, "marvell,88pm860x-vrtc", &info->vrtc);
+ if (ret)
+ info->vrtc = 0;
+ return 0;
+}
+#else
+#define pm860x_rtc_dt_init(x, y) (-1)
+#endif
+
static int __devinit pm860x_rtc_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
@@ -294,8 +317,6 @@ static int __devinit pm860x_rtc_probe(struct platform_device *pdev)
int ret;
pdata = pdev->dev.platform_data;
- if (pdata == NULL)
- dev_warn(&pdev->dev, "No platform data!\n");
info = kzalloc(sizeof(struct pm860x_rtc_info), GFP_KERNEL);
if (!info)
@@ -345,9 +366,11 @@ static int __devinit pm860x_rtc_probe(struct platform_device *pdev)
}
}
rtc_tm_to_time(&tm, &ticks);
- if (pdata && pdata->sync) {
- pdata->sync(ticks);
- info->sync = pdata->sync;
+ if (pm860x_rtc_dt_init(pdev, info)) {
+ if (pdata && pdata->sync) {
+ pdata->sync(ticks);
+ info->sync = pdata->sync;
+ }
}
info->rtc_dev = rtc_device_register("88pm860x-rtc", &pdev->dev,
@@ -366,10 +389,12 @@ static int __devinit pm860x_rtc_probe(struct platform_device *pdev)
#ifdef VRTC_CALIBRATION
/* <00> -- 2.7V, <01> -- 2.9V, <10> -- 3.1V, <11> -- 3.3V */
- if (pdata && pdata->vrtc)
- info->vrtc = pdata->vrtc & 0x3;
- else
- info->vrtc = 1;
+ if (pm860x_rtc_dt_init(pdev, info)) {
+ if (pdata && pdata->vrtc)
+ info->vrtc = pdata->vrtc & 0x3;
+ else
+ info->vrtc = 1;
+ }
pm860x_set_bits(info->i2c, PM8607_MEAS_EN2, MEAS2_VRTC, MEAS2_VRTC);
/* calibrate VRTC */
diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index f49181c73113..b7ec34c57f46 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/fb.h>
@@ -31,57 +32,26 @@ struct pm860x_backlight_data {
int port;
int pwm;
int iset;
+ int reg_duty_cycle;
+ int reg_always_on;
+ int reg_current;
};
-static inline int wled_a(int port)
-{
- int ret;
-
- ret = ((port - PM8606_BACKLIGHT1) << 1) + 2;
- return ret;
-}
-
-static inline int wled_b(int port)
-{
- int ret;
-
- ret = ((port - PM8606_BACKLIGHT1) << 1) + 3;
- return ret;
-}
-
-/* WLED2 & WLED3 share the same IDC */
-static inline int wled_idc(int port)
-{
- int ret;
-
- switch (port) {
- case PM8606_BACKLIGHT1:
- case PM8606_BACKLIGHT2:
- ret = ((port - PM8606_BACKLIGHT1) << 1) + 3;
- break;
- case PM8606_BACKLIGHT3:
- default:
- ret = ((port - PM8606_BACKLIGHT2) << 1) + 3;
- break;
- }
- return ret;
-}
-
static int backlight_power_set(struct pm860x_chip *chip, int port,
int on)
{
int ret = -EINVAL;
switch (port) {
- case PM8606_BACKLIGHT1:
+ case 0:
ret = on ? pm8606_osc_enable(chip, WLED1_DUTY) :
pm8606_osc_disable(chip, WLED1_DUTY);
break;
- case PM8606_BACKLIGHT2:
+ case 1:
ret = on ? pm8606_osc_enable(chip, WLED2_DUTY) :
pm8606_osc_disable(chip, WLED2_DUTY);
break;
- case PM8606_BACKLIGHT3:
+ case 2:
ret = on ? pm8606_osc_enable(chip, WLED3_DUTY) :
pm8606_osc_disable(chip, WLED3_DUTY);
break;
@@ -104,13 +74,13 @@ static int pm860x_backlight_set(struct backlight_device *bl, int brightness)
if (brightness)
backlight_power_set(chip, data->port, 1);
- ret = pm860x_reg_write(data->i2c, wled_a(data->port), value);
+ ret = pm860x_reg_write(data->i2c, data->reg_duty_cycle, value);
if (ret < 0)
goto out;
if ((data->current_brightness == 0) && brightness) {
if (data->iset) {
- ret = pm860x_set_bits(data->i2c, wled_idc(data->port),
+ ret = pm860x_set_bits(data->i2c, data->reg_current,
CURRENT_BITMASK, data->iset);
if (ret < 0)
goto out;
@@ -123,17 +93,17 @@ static int pm860x_backlight_set(struct backlight_device *bl, int brightness)
}
if (brightness == MAX_BRIGHTNESS) {
/* set WLED_ON bit as 100% */
- ret = pm860x_set_bits(data->i2c, wled_b(data->port),
+ ret = pm860x_set_bits(data->i2c, data->reg_always_on,
PM8606_WLED_ON, PM8606_WLED_ON);
}
} else {
if (brightness == MAX_BRIGHTNESS) {
/* set WLED_ON bit as 100% */
- ret = pm860x_set_bits(data->i2c, wled_b(data->port),
+ ret = pm860x_set_bits(data->i2c, data->reg_always_on,
PM8606_WLED_ON, PM8606_WLED_ON);
} else {
/* clear WLED_ON bit since it's not 100% */
- ret = pm860x_set_bits(data->i2c, wled_b(data->port),
+ ret = pm860x_set_bits(data->i2c, data->reg_always_on,
PM8606_WLED_ON, 0);
}
}
@@ -174,7 +144,7 @@ static int pm860x_backlight_get_brightness(struct backlight_device *bl)
struct pm860x_chip *chip = data->chip;
int ret;
- ret = pm860x_reg_read(data->i2c, wled_a(data->port));
+ ret = pm860x_reg_read(data->i2c, data->reg_duty_cycle);
if (ret < 0)
goto out;
data->current_brightness = ret;
@@ -190,45 +160,85 @@ static const struct backlight_ops pm860x_backlight_ops = {
.get_brightness = pm860x_backlight_get_brightness,
};
+#ifdef CONFIG_OF
+static int pm860x_backlight_dt_init(struct platform_device *pdev,
+ struct pm860x_backlight_data *data,
+ char *name)
+{
+ struct device_node *nproot = pdev->dev.parent->of_node, *np;
+ int iset = 0;
+ if (!nproot)
+ return -ENODEV;
+ nproot = of_find_node_by_name(nproot, "backlights");
+ if (!nproot) {
+ dev_err(&pdev->dev, "failed to find backlights node\n");
+ return -ENODEV;
+ }
+ for_each_child_of_node(nproot, np) {
+ if (!of_node_cmp(np->name, name)) {
+ of_property_read_u32(np, "marvell,88pm860x-iset",
+ &iset);
+ data->iset = PM8606_WLED_CURRENT(iset);
+ of_property_read_u32(np, "marvell,88pm860x-pwm",
+ &data->pwm);
+ break;
+ }
+ }
+ return 0;
+}
+#else
+#define pm860x_backlight_dt_init(x, y, z) (-1)
+#endif
+
static int pm860x_backlight_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm860x_backlight_pdata *pdata = NULL;
+ struct pm860x_backlight_pdata *pdata = pdev->dev.platform_data;
struct pm860x_backlight_data *data;
struct backlight_device *bl;
struct resource *res;
struct backlight_properties props;
char name[MFD_NAME_SIZE];
- int ret;
-
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource!\n");
- return -EINVAL;
- }
-
- pdata = pdev->dev.platform_data;
- if (pdata == NULL) {
- dev_err(&pdev->dev, "platform data isn't assigned to "
- "backlight\n");
- return -EINVAL;
- }
+ int ret = 0;
data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_backlight_data),
GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
- strncpy(name, res->name, MFD_NAME_SIZE);
+ res = platform_get_resource_byname(pdev, IORESOURCE_REG, "duty cycle");
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource for duty cycle\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_duty_cycle = res->start;
+ res = platform_get_resource_byname(pdev, IORESOURCE_REG, "always on");
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resorce for always on\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_always_on = res->start;
+ res = platform_get_resource_byname(pdev, IORESOURCE_REG, "current");
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource for current\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_current = res->start;
+
+ memset(name, 0, MFD_NAME_SIZE);
+ sprintf(name, "backlight-%d", pdev->id);
+ data->port = pdev->id;
data->chip = chip;
data->i2c = (chip->id == CHIP_PM8606) ? chip->client \
: chip->companion;
data->current_brightness = MAX_BRIGHTNESS;
- data->pwm = pdata->pwm;
- data->iset = pdata->iset;
- data->port = pdata->flags;
- if (data->port < 0) {
- dev_err(&pdev->dev, "wrong platform data is assigned");
- return -EINVAL;
+ if (pm860x_backlight_dt_init(pdev, data, name)) {
+ if (pdata) {
+ data->pwm = pdata->pwm;
+ data->iset = pdata->iset;
+ }
}
memset(&props, 0, sizeof(struct backlight_properties));
@@ -247,12 +257,14 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
/* read current backlight */
ret = pm860x_backlight_get_brightness(bl);
if (ret < 0)
- goto out;
+ goto out_brt;
backlight_update_status(bl);
return 0;
-out:
+out_brt:
backlight_device_unregister(bl);
+out:
+ devm_kfree(&pdev->dev, data);
return ret;
}
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index cf282763a8dc..63cee2e9d622 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -373,6 +373,13 @@ config BACKLIGHT_PANDORA
If you have a Pandora console, say Y to enable the
backlight driver.
+config BACKLIGHT_TPS65217
+ tristate "TPS65217 Backlight"
+ depends on BACKLIGHT_CLASS_DEVICE && MFD_TPS65217
+ help
+ If you have a Texas Instruments TPS65217 say Y to enable the
+ backlight driver.
+
endif # BACKLIGHT_CLASS_DEVICE
endif # BACKLIGHT_LCD_SUPPORT
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index a2ac9cfbaf6b..00223a62ec12 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -43,3 +43,4 @@ obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o
obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o
obj-$(CONFIG_BACKLIGHT_AAT2870) += aat2870_bl.o
obj-$(CONFIG_BACKLIGHT_OT200) += ot200_bl.o
+obj-$(CONFIG_BACKLIGHT_TPS65217) += tps65217_bl.o
diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
index e833ac72e063..f72ba54f364e 100644
--- a/drivers/video/backlight/max8925_bl.c
+++ b/drivers/video/backlight/max8925_bl.c
@@ -27,7 +27,9 @@
struct max8925_backlight_data {
struct max8925_chip *chip;
- int current_brightness;
+ int current_brightness;
+ int reg_mode_cntl;
+ int reg_cntl;
};
static int max8925_backlight_set(struct backlight_device *bl, int brightness)
@@ -42,16 +44,16 @@ static int max8925_backlight_set(struct backlight_device *bl, int brightness)
else
value = brightness;
- ret = max8925_reg_write(chip->i2c, MAX8925_WLED_CNTL, value);
+ ret = max8925_reg_write(chip->i2c, data->reg_cntl, value);
if (ret < 0)
goto out;
if (!data->current_brightness && brightness)
/* enable WLED output */
- ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 1, 1);
+ ret = max8925_set_bits(chip->i2c, data->reg_mode_cntl, 1, 1);
else if (!brightness)
/* disable WLED output */
- ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 1, 0);
+ ret = max8925_set_bits(chip->i2c, data->reg_mode_cntl, 1, 0);
if (ret < 0)
goto out;
dev_dbg(chip->dev, "set brightness %d\n", value);
@@ -85,7 +87,7 @@ static int max8925_backlight_get_brightness(struct backlight_device *bl)
struct max8925_chip *chip = data->chip;
int ret;
- ret = max8925_reg_read(chip->i2c, MAX8925_WLED_CNTL);
+ ret = max8925_reg_read(chip->i2c, data->reg_cntl);
if (ret < 0)
return -EINVAL;
data->current_brightness = ret;
@@ -102,69 +104,70 @@ static const struct backlight_ops max8925_backlight_ops = {
static int __devinit max8925_backlight_probe(struct platform_device *pdev)
{
struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct max8925_platform_data *max8925_pdata;
- struct max8925_backlight_pdata *pdata = NULL;
+ struct max8925_backlight_pdata *pdata = pdev->dev.platform_data;
struct max8925_backlight_data *data;
struct backlight_device *bl;
struct backlight_properties props;
struct resource *res;
- char name[MAX8925_NAME_SIZE];
unsigned char value;
- int ret;
-
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource!\n");
- return -EINVAL;
- }
-
- if (pdev->dev.parent->platform_data) {
- max8925_pdata = pdev->dev.parent->platform_data;
- pdata = max8925_pdata->backlight;
- }
-
- if (!pdata) {
- dev_err(&pdev->dev, "platform data isn't assigned to "
- "backlight\n");
- return -EINVAL;
- }
+ int ret = 0;
data = devm_kzalloc(&pdev->dev, sizeof(struct max8925_backlight_data),
GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
- strncpy(name, res->name, MAX8925_NAME_SIZE);
+
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource for mode control!\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_mode_cntl = res->start;
+ res = platform_get_resource(pdev, IORESOURCE_REG, 1);
+ if (!res) {
+ dev_err(&pdev->dev, "No REG resource for control!\n");
+ ret = -ENXIO;
+ goto out;
+ }
+ data->reg_cntl = res->start;
+
data->chip = chip;
data->current_brightness = 0;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = MAX_BRIGHTNESS;
- bl = backlight_device_register(name, &pdev->dev, data,
+ bl = backlight_device_register("max8925-backlight", &pdev->dev, data,
&max8925_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
- return PTR_ERR(bl);
+ ret = PTR_ERR(bl);
+ goto out;
}
bl->props.brightness = MAX_BRIGHTNESS;
platform_set_drvdata(pdev, bl);
value = 0;
- if (pdata->lxw_scl)
- value |= (1 << 7);
- if (pdata->lxw_freq)
- value |= (LWX_FREQ(pdata->lxw_freq) << 4);
- if (pdata->dual_string)
- value |= (1 << 1);
- ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 0xfe, value);
+ if (pdata) {
+ if (pdata->lxw_scl)
+ value |= (1 << 7);
+ if (pdata->lxw_freq)
+ value |= (LWX_FREQ(pdata->lxw_freq) << 4);
+ if (pdata->dual_string)
+ value |= (1 << 1);
+ }
+ ret = max8925_set_bits(chip->i2c, data->reg_mode_cntl, 0xfe, value);
if (ret < 0)
- goto out;
+ goto out_brt;
backlight_update_status(bl);
return 0;
-out:
+out_brt:
backlight_device_unregister(bl);
+out:
+ devm_kfree(&pdev->dev, data);
return ret;
}
diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
new file mode 100644
index 000000000000..70881633b45a
--- /dev/null
+++ b/drivers/video/backlight/tps65217_bl.c
@@ -0,0 +1,342 @@
+/*
+ * tps65217_bl.c
+ *
+ * TPS65217 backlight driver
+ *
+ * Copyright (C) 2012 Matthias Kaehlcke
+ * Author: Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/backlight.h>
+#include <linux/err.h>
+#include <linux/fb.h>
+#include <linux/mfd/tps65217.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+struct tps65217_bl {
+ struct tps65217 *tps;
+ struct device *dev;
+ struct backlight_device *bl;
+ bool is_enabled;
+};
+
+static int tps65217_bl_enable(struct tps65217_bl *tps65217_bl)
+{
+ int rc;
+
+ rc = tps65217_set_bits(tps65217_bl->tps, TPS65217_REG_WLEDCTRL1,
+ TPS65217_WLEDCTRL1_ISINK_ENABLE,
+ TPS65217_WLEDCTRL1_ISINK_ENABLE, TPS65217_PROTECT_NONE);
+ if (rc) {
+ dev_err(tps65217_bl->dev,
+ "failed to enable backlight: %d\n", rc);
+ return rc;
+ }
+
+ tps65217_bl->is_enabled = true;
+
+ dev_dbg(tps65217_bl->dev, "backlight enabled\n");
+
+ return 0;
+}
+
+static int tps65217_bl_disable(struct tps65217_bl *tps65217_bl)
+{
+ int rc;
+
+ rc = tps65217_clear_bits(tps65217_bl->tps,
+ TPS65217_REG_WLEDCTRL1,
+ TPS65217_WLEDCTRL1_ISINK_ENABLE,
+ TPS65217_PROTECT_NONE);
+ if (rc) {
+ dev_err(tps65217_bl->dev,
+ "failed to disable backlight: %d\n", rc);
+ return rc;
+ }
+
+ tps65217_bl->is_enabled = false;
+
+ dev_dbg(tps65217_bl->dev, "backlight disabled\n");
+
+ return 0;
+}
+
+static int tps65217_bl_update_status(struct backlight_device *bl)
+{
+ struct tps65217_bl *tps65217_bl = bl_get_data(bl);
+ int rc;
+ int brightness = bl->props.brightness;
+
+ if (bl->props.state & BL_CORE_SUSPENDED)
+ brightness = 0;
+
+ if ((bl->props.power != FB_BLANK_UNBLANK) ||
+ (bl->props.fb_blank != FB_BLANK_UNBLANK))
+ /* framebuffer in low power mode or blanking active */
+ brightness = 0;
+
+ if (brightness > 0) {
+ rc = tps65217_reg_write(tps65217_bl->tps,
+ TPS65217_REG_WLEDCTRL2,
+ brightness - 1,
+ TPS65217_PROTECT_NONE);
+ if (rc) {
+ dev_err(tps65217_bl->dev,
+ "failed to set brightness level: %d\n", rc);
+ return rc;
+ }
+
+ dev_dbg(tps65217_bl->dev, "brightness set to %d\n", brightness);
+
+ if (!tps65217_bl->is_enabled)
+ rc = tps65217_bl_enable(tps65217_bl);
+ } else {
+ rc = tps65217_bl_disable(tps65217_bl);
+ }
+
+ return rc;
+}
+
+static int tps65217_bl_get_brightness(struct backlight_device *bl)
+{
+ return bl->props.brightness;
+}
+
+static const struct backlight_ops tps65217_bl_ops = {
+ .options = BL_CORE_SUSPENDRESUME,
+ .update_status = tps65217_bl_update_status,
+ .get_brightness = tps65217_bl_get_brightness
+};
+
+static int tps65217_bl_hw_init(struct tps65217_bl *tps65217_bl,
+ struct tps65217_bl_pdata *pdata)
+{
+ int rc;
+
+ rc = tps65217_bl_disable(tps65217_bl);
+ if (rc)
+ return rc;
+
+ switch (pdata->isel) {
+ case TPS65217_BL_ISET1:
+ /* select ISET_1 current level */
+ rc = tps65217_clear_bits(tps65217_bl->tps,
+ TPS65217_REG_WLEDCTRL1,
+ TPS65217_WLEDCTRL1_ISEL,
+ TPS65217_PROTECT_NONE);
+ if (rc) {
+ dev_err(tps65217_bl->dev,
+ "failed to select ISET1 current level: %d)\n",
+ rc);
+ return rc;
+ }
+
+ dev_dbg(tps65217_bl->dev, "selected ISET1 current level\n");
+
+ break;
+
+ case TPS65217_BL_ISET2:
+ /* select ISET2 current level */
+ rc = tps65217_set_bits(tps65217_bl->tps, TPS65217_REG_WLEDCTRL1,
+ TPS65217_WLEDCTRL1_ISEL,
+ TPS65217_WLEDCTRL1_ISEL, TPS65217_PROTECT_NONE);
+ if (rc) {
+ dev_err(tps65217_bl->dev,
+ "failed to select ISET2 current level: %d\n",
+ rc);
+ return rc;
+ }
+
+ dev_dbg(tps65217_bl->dev, "selected ISET2 current level\n");
+
+ break;
+
+ default:
+ dev_err(tps65217_bl->dev,
+ "invalid value for current level: %d\n", pdata->isel);
+ return -EINVAL;
+ }
+
+ /* set PWM frequency */
+ rc = tps65217_set_bits(tps65217_bl->tps,
+ TPS65217_REG_WLEDCTRL1,
+ TPS65217_WLEDCTRL1_FDIM_MASK,
+ pdata->fdim,
+ TPS65217_PROTECT_NONE);
+ if (rc) {
+ dev_err(tps65217_bl->dev,
+ "failed to select PWM dimming frequency: %d\n",
+ rc);
+ return rc;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_OF
+static struct tps65217_bl_pdata *
+tps65217_bl_parse_dt(struct platform_device *pdev)
+{
+ struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
+ struct device_node *node = of_node_get(tps->dev->of_node);
+ struct tps65217_bl_pdata *pdata, *err;
+ u32 val;
+
+ node = of_find_node_by_name(node, "backlight");
+ if (!node)
+ return ERR_PTR(-ENODEV);
+
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata) {
+ dev_err(&pdev->dev, "failed to allocate platform data\n");
+ err = ERR_PTR(-ENOMEM);
+ goto err;
+ }
+
+ pdata->isel = TPS65217_BL_ISET1;
+ if (!of_property_read_u32(node, "isel", &val)) {
+ if (val < TPS65217_BL_ISET1 ||
+ val > TPS65217_BL_ISET2) {
+ dev_err(&pdev->dev,
+ "invalid 'isel' value in the device tree\n");
+ err = ERR_PTR(-EINVAL);
+ goto err;
+ }
+
+ pdata->isel = val;
+ }
+
+ pdata->fdim = TPS65217_BL_FDIM_200HZ;
+ if (!of_property_read_u32(node, "fdim", &val)) {
+ switch (val) {
+ case 100:
+ pdata->fdim = TPS65217_BL_FDIM_100HZ;
+ break;
+
+ case 200:
+ pdata->fdim = TPS65217_BL_FDIM_200HZ;
+ break;
+
+ case 500:
+ pdata->fdim = TPS65217_BL_FDIM_500HZ;
+ break;
+
+ case 1000:
+ pdata->fdim = TPS65217_BL_FDIM_1000HZ;
+ break;
+
+ default:
+ dev_err(&pdev->dev,
+ "invalid 'fdim' value in the device tree\n");
+ err = ERR_PTR(-EINVAL);
+ goto err;
+ }
+ }
+
+ of_node_put(node);
+
+ return pdata;
+
+err:
+ of_node_put(node);
+
+ return err;
+}
+#else
+static struct tps65217_bl_pdata *
+tps65217_bl_parse_dt(struct platform_device *pdev)
+{
+ return NULL;
+}
+#endif
+
+static int tps65217_bl_probe(struct platform_device *pdev)
+{
+ int rc;
+ struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
+ struct tps65217_bl *tps65217_bl;
+ struct tps65217_bl_pdata *pdata;
+ struct backlight_properties bl_props;
+
+ if (tps->dev->of_node) {
+ pdata = tps65217_bl_parse_dt(pdev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ } else {
+ if (!pdev->dev.platform_data) {
+ dev_err(&pdev->dev, "no platform data provided\n");
+ return -EINVAL;
+ }
+
+ pdata = pdev->dev.platform_data;
+ }
+
+ tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl),
+ GFP_KERNEL);
+ if (tps65217_bl == NULL) {
+ dev_err(&pdev->dev, "allocation of struct tps65217_bl failed\n");
+ return -ENOMEM;
+ }
+
+ tps65217_bl->tps = tps;
+ tps65217_bl->dev = &pdev->dev;
+ tps65217_bl->is_enabled = false;
+
+ rc = tps65217_bl_hw_init(tps65217_bl, pdata);
+ if (rc)
+ return rc;
+
+ memset(&bl_props, 0, sizeof(struct backlight_properties));
+ bl_props.type = BACKLIGHT_RAW;
+ bl_props.max_brightness = 100;
+
+ tps65217_bl->bl = backlight_device_register(pdev->name,
+ tps65217_bl->dev, tps65217_bl,
+ &tps65217_bl_ops, &bl_props);
+ if (IS_ERR(tps65217_bl->bl)) {
+ dev_err(tps65217_bl->dev,
+ "registration of backlight device failed: %d\n", rc);
+ return PTR_ERR(tps65217_bl->bl);
+ }
+
+ tps65217_bl->bl->props.brightness = 0;
+ platform_set_drvdata(pdev, tps65217_bl);
+
+ return 0;
+}
+
+static int tps65217_bl_remove(struct platform_device *pdev)
+{
+ struct tps65217_bl *tps65217_bl = platform_get_drvdata(pdev);
+
+ backlight_device_unregister(tps65217_bl->bl);
+
+ return 0;
+}
+
+static struct platform_driver tps65217_bl_driver = {
+ .probe = tps65217_bl_probe,
+ .remove = tps65217_bl_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "tps65217-bl",
+ },
+};
+
+module_platform_driver(tps65217_bl_driver);
+
+MODULE_DESCRIPTION("TPS65217 Backlight driver");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Matthias Kaehlcke <matthias@kaehlcke.net>");
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index ceed39f26011..545d387de411 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -37,6 +37,7 @@
* document number TBD : DH89xxCC
* document number TBD : Panther Point
* document number TBD : Lynx Point
+ * document number TBD : Lynx Point-LP
*/
/*