/*
* APE6EVM board support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
*
* 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 of the License.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/sh_clk.h>
#include <linux/smsc911x.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a73a4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
/* LEDS */
static struct gpio_led ape6evm_leds[] = {
{
.name = "gnss-en",
.gpio = 28,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
}, {
.name = "nfc-nrst",
.gpio = 126,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
}, {
.name = "gnss-nrst",
.gpio = 132,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
}, {
.name = "bt-wakeup",
.gpio = 232,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
}, {
.name = "strobe",
.gpio = 250,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
}, {
.name = "bbresetout",
.gpio = 288,
.default_state = LEDS_GPIO_DEFSTATE_OFF,
},
};
static __initdata struct gpio_led_platform_data ape6evm_leds_pdata = {
.leds = ape6evm_leds,
.num_leds = ARRAY_SIZE(ape6evm_leds),
};
/* GPIO KEY */
#define GPIO_KEY(c, g, d, ...) \
{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
static struct gpio_keys_button gpio_buttons[] = {
GPIO_KEY(KEY_0, 324, "S16"),
GPIO_KEY(KEY_MENU, 325, "S17"),
GPIO_KEY(KEY_HOME, 326, "S18"),
GPIO_KEY(KEY_BACK, 327, "S19"),
GPIO_KEY(KEY_VOLUMEUP, 328, "S20"),
GPIO_KEY(KEY_VOLUMEDOWN, 329, "S21"),
};
static struct gpio_keys_platform_data ape6evm_keys_pdata __initdata = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};
/* SMSC LAN9220 */
static const struct resource lan9220_res[] __initconst = {
DEFINE_RES_MEM(0x08000000, 0x1000),
{
.start = irq_pin(40), /* IRQ40 */
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
},
};
static const struct smsc911x_platform_config lan9220_data __initconst = {
.flags = SMSC911X_USE_32BIT,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
};
/*
* MMC0 power supplies:
* Both Vcc and VccQ to eMMC on APE6EVM are supplied by a tps80032 voltage
* regulator. Until support for it is added to this file we simulate the
* Vcc supply by a fixed always-on regulator
*/
static struct regulator_consumer_supply vcc_mmc0_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
};
/*
* SDHI0 power supplies:
* Vcc to SDHI0 on APE6EVM is supplied by a GPIO-switchable regulator. VccQ is
* provided by the same tps80032 regulator as both MMC0 voltages - see comment
* above
*/
static struct regulator_consumer_supply vcc_sdhi0_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
};
static struct regulator_init_data vcc_sdhi0_init_data = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
.consumer_supplies = vcc_sdhi0_consumers,
};
static const struct fixed_voltage_config vcc_sdhi0_info __initconst = {
.supply_name = "SDHI0 Vcc",
.microvolts = 3300000,
.gpio = 76,
.enable_high = 1,
.init_data = &vcc_sdhi0_init_data,
};
/*
* SDHI1 power supplies:
* Vcc and VccQ to SDHI1 on APE6EVM are both fixed at 3.3V
*/
static struct regulator_consumer_supply vcc_sdhi1_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
};
/* MMCIF */
static const struct sh_mmcif_plat_data mmcif0_pdata __initconst = {
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
.slave_id_tx = SHDMA_SLAVE_MMCIF0_TX,
.slave_id_rx = SHDMA_SLAVE_MMCIF0_RX,
.ccs_unsupported = true,
};
static const struct resource mmcif0_resources[] __initconst = {
DEFINE_RES_MEM_NAMED(0xee200000, 0x100, "MMCIF0"),
DEFINE_RES_IRQ(gic_spi(169)),
};
/* SDHI0 */
static const struct sh_mobile_sdhi_info sdhi0_pdata __initconst = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
};
static const struct resource sdhi0_resources[] __initconst = {
DEFINE_RES_MEM_NAMED(0xee100000, 0x100, "SDHI0"),
DEFINE_RES_IRQ(gic_spi(165)),
};
/* SDHI1 */
static const struct sh_mobile_sdhi_info sdhi1_pdata __initconst = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_NEEDS_POLL,
};
static const struct resource sdhi1_resources[] __initconst = {
DEFINE_RES_MEM_NAMED(0xee120000, 0x100, "SDHI1"),
DEFINE_RES_IRQ(gic_spi(166)),
};
static const struct pinctrl_map ape6evm_pinctrl_map[] __initconst = {
/* SCIFA0 console */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
"scifa0_data", "scifa0"),
/* SMSC */
PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
"irqc_irq40", "irqc"),
/* MMCIF0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
"mmc0_data8", "mmc0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
"mmc0_ctrl", "mmc0"),
/* SDHI0: uSD: no WP */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_data4", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_ctrl", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_cd", "sdhi0"),
/* SDHI1 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
"sdhi1_data4", "sdhi1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
"sdhi1_ctrl", "sdhi1"),
};
static void __init ape6evm_add_standard_devices(void)
{
struct clk *parent;
struct clk *mp;
r8a73a4_clock_init();
/* MP clock parent = extal2 */
parent = clk_get(NULL, "extal2");
mp = clk_get(NULL, "mp");
BUG_ON(IS_ERR(parent) || IS_ERR(mp));
clk_set_parent(mp, parent);
clk_put(parent);
clk_put(mp);
pinctrl_register_mappings(ape6evm_pinctrl_map,
ARRAY_SIZE(ape6evm_pinctrl_map));
r8a73a4_pinmux_init();
r8a73a4_add_standard_devices();
/* LAN9220 ethernet */
gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
platform_device_register_resndata(&platform_bus, "smsc911x", -1,
lan9220_res, ARRAY_SIZE(lan9220_res),
&lan9220_data, sizeof(lan9220_data));
regulator_register_always_on(1, "MMC0 Vcc", vcc_mmc0_consumers,
ARRAY_SIZE(vcc_mmc0_consumers), 2800000);
platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
&mmcif0_pdata, sizeof(mmcif0_pdata));
platform_device_register_data(&platform_bus, "reg-fixed-voltage", 2,
&vcc_sdhi0_info, sizeof(vcc_sdhi0_info));
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
&sdhi0_pdata, sizeof(sdhi0_pdata));
regulator_register_always_on(3, "SDHI1 Vcc", vcc_sdhi1_consumers,
ARRAY_SIZE(vcc_sdhi1_consumers), 3300000);
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
&sdhi1_pdata, sizeof(sdhi1_pdata));
platform_device_register_data(&platform_bus, "gpio-keys", -1,
&ape6evm_keys_pdata,
sizeof(ape6evm_keys_pdata));
platform_device_register_data(&platform_bus, "leds-gpio", -1,
&ape6evm_leds_pdata,
sizeof(ape6evm_leds_pdata));
}
static const char *ape6evm_boards_compat_dt[] __initdata = {
"renesas,ape6evm",
NULL,
};
DT_MACHINE_START(APE6EVM_DT, "ape6evm")
.init_early = r8a73a4_init_early,
.init_machine = ape6evm_add_standard_devices,
.dt_compat = ape6evm_boards_compat_dt,
MACHINE_END
