/*
* KFR2R09 board support code
*
* Copyright (C) 2009 Magnus Damm
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/onenand.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/i2c.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/usb/r8a66597.h>
#include <linux/videodev2.h>
#include <linux/sh_intc.h>
#include <media/rj54n1cb0c.h>
#include <media/soc_camera.h>
#include <media/sh_mobile_ceu.h>
#include <video/sh_mobile_lcdc.h>
#include <asm/suspend.h>
#include <asm/clock.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <cpu/sh7724.h>
#include <mach/kfr2r09.h>
static struct mtd_partition kfr2r09_nor_flash_partitions[] =
{
{
.name = "boot",
.offset = 0,
.size = (4 * 1024 * 1024),
.mask_flags = MTD_WRITEABLE, /* Read-only */
},
{
.name = "other",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data kfr2r09_nor_flash_data = {
.width = 2,
.parts = kfr2r09_nor_flash_partitions,
.nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
};
static struct resource kfr2r09_nor_flash_resources[] = {
[0] = {
.name = "NOR Flash",
.start = 0x00000000,
.end = 0x03ffffff,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device kfr2r09_nor_flash_device = {
.name = "physmap-flash",
.resource = kfr2r09_nor_flash_resources,
.num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
.dev = {
.platform_data = &kfr2r09_nor_flash_data,
},
};
static struct resource kfr2r09_nand_flash_resources[] = {
[0] = {
.name = "NAND Flash",
.start = 0x10000000,
.end = 0x1001ffff,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device kfr2r09_nand_flash_device = {
.name = "onenand-flash",
.resource = kfr2r09_nand_flash_resources,
.num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
};
static struct sh_keysc_info kfr2r09_sh_keysc_info = {
.mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
.scan_timing = 3,
.delay = 10,
.keycodes = {
KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
KEY_1, KEY_2, KEY_3, 0, KEY_UP,
KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
0, 0, 0, 0, 0
},
};
static struct resource kfr2r09_sh_keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0x044b0000,
.end = 0x044b000f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xbe0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device kfr2r09_sh_keysc_device = {
.name = "sh_keysc",
.id = 0, /* "keysc0" clock */
.num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
.resource = kfr2r09_sh_keysc_resources,
.dev = {
.platform_data = &kfr2r09_sh_keysc_info,
},
};
static const struct fb_videomode kfr2r09_lcdc_modes[] = {
{
.name = "TX07D34VM0AAA",
.xres = 240,
.yres = 400,
.left_margin = 0,
.right_margin = 16,
.hsync_len = 8,
.upper_margin = 0,
.lower_margin = 1,
.vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
},
};
static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
.clock_source = LCDC_CLK_BUS,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.fourcc = V4L2_PIX_FMT_RGB565,
.interface_type = SYS18,
.clock_divider = 6,
.flags = LCDC_FLAGS_DWPOL,
.lcd_modes = kfr2r09_lcdc_modes,
.num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
.panel_cfg = {
.width = 35,
.height = 58,
.setup_sys = kfr2r09_lcd_setup,
.start_transfer = kfr2r09_lcd_start,
.display_on = kfr2r09_lcd_on,
.display_off = kfr2r09_lcd_off,
},
.sys_bus_cfg = {
.ldmt2r = 0x07010904,
.ldmt3r = 0x14012914,
/* set 1s delay to encourage fsync() */
.deferred_io_msec = 1000,
},
}
};
static struct resource kfr2r09_sh_lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000, /* P4-only space */
.end = 0xfe942fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xf40),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device kfr2r09_sh_lcdc_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
.resource = kfr2r09_sh_lcdc_resources,
.dev = {
.platform_data = &kfr2r09_sh_lcdc_info,
},
};
static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
.on_chip = 1,
};
static struct resource kfr2r09_usb0_gadget_resources[] = {
[0] = {
.start = 0x04d80000,
.end = 0x04d80123,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xa20),
.end = evt2irq(0xa20),
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
},
};
static struct platform_device kfr2r09_usb0_gadget_device = {
.name = "r8a66597_udc",
.id = 0,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &kfr2r09_usb0_gadget_data,
},
.num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
.resource = kfr2r09_usb0_gadget_resources,
};
static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
.flags = SH_CEU_FLAG_USE_8BIT_BUS,
};
static struct resource kfr2r09_ceu_resources[] = {
[0] = {
.name = "CEU",
.start = 0xfe910000,
.end = 0xfe91009f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x880),
.end = evt2irq(0x880),
.flags = IORESOURCE_IRQ,
},
[2] = {
/* place holder for contiguous memory */
},
};
static struct platform_device kfr2r09_ceu_device = {
.name = "sh_mobile_ceu",
.id = 0, /* "ceu0" clock */
.num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
.resource = kfr2r09_ceu_resources,
.dev = {
.platform_data = &sh_mobile_ceu_info,
},
};
static struct i2c_board_info kfr2r09_i2c_camera = {
I2C_BOARD_INFO("rj54n1cb0c", 0x50),
};
static struct clk *camera_clk;
/* set VIO_CKO clock to 25MHz */
#define CEU_MCLK_FREQ 25000000
#define DRVCRB 0xA405018C
static int camera_power(struct device *dev, int mode)
{
int ret;
if (mode) {
long rate;
camera_clk = clk_get(NULL, "video_clk");
if (IS_ERR(camera_clk))
return PTR_ERR(camera_clk);
rate = clk_round_rate(camera_clk, CEU_MCLK_FREQ);
ret = clk_set_rate(camera_clk, rate);
if (ret < 0)
goto eclkrate;
/* set DRVCRB
*
* use 1.8 V for VccQ_VIO
* use 2.85V for VccQ_SR
*/
__raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
/* reset clear */
ret = gpio_request(GPIO_PTB4, NULL);
if (ret < 0)
goto eptb4;
ret = gpio_request(GPIO_PTB7, NULL);
if (ret < 0)
goto eptb7;
ret = gpio_direction_output(GPIO_PTB4, 1);
if (!ret)
ret = gpio_direction_output(GPIO_PTB7, 1);
if (ret < 0)
goto egpioout;
msleep(1);
ret = clk_enable(camera_clk); /* start VIO_CKO */
if (ret < 0)
goto eclkon;
return 0;
}
ret = 0;
clk_disable(camera_clk);
eclkon:
gpio_set_value(GPIO_PTB7, 0);
egpioout:
gpio_set_value(GPIO_PTB4, 0);
gpio_free(GPIO_PTB7);
eptb7:
gpio_free(GPIO_PTB4);
eptb4:
eclkrate:
clk_put(camera_clk);
return ret;
}
static struct rj54n1_pdata rj54n1_priv = {
.mclk_freq = CEU_MCLK_FREQ,
.ioctl_high = false,
};
static struct soc_camera_link rj54n1_link = {
.power = camera_power,
.board_info = &kfr2r09_i2c_camera,
.i2c_adapter_id = 1,
.priv = &rj54n1_priv,
};
static struct platform_device kfr2r09_camera = {
.name = "soc-camera-pdrv",
.id = 0,
.dev = {
.platform_data = &rj54n1_link,
},
};
/* Fixed 3.3V regulator to be used by SDHI0 */
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
};
static struct resource kfr2r09_sh_sdhi0_resources[] = {
[0] = {
.name = "SDHI0",
.start = 0x04ce0000,
.end = 0x04ce00ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xe80),
.flags = IORESOURCE_IRQ,
},
};
static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SDIO_IRQ,
};
static struct platform_device kfr2r09_sh_sdhi0_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
.resource = kfr2r09_sh_sdhi0_resources,
.dev = {
.platform_data = &sh7724_sdhi0_data,
},
};
static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nor_flash_device,
&kfr2r09_nand_flash_device,
&kfr2r09_sh_keysc_device,
&kfr2r09_sh_lcdc_device,
&kfr2r09_ceu_device,
&kfr2r09_camera,
&kfr2r09_sh_sdhi0_device,
};
#define BSC_CS0BCR 0xfec10004
#define BSC_CS0WCR 0xfec10024
#define BSC_CS4BCR 0xfec10010
#define BSC_CS4WCR 0xfec10030
#define PORT_MSELCRB 0xa4050182
#ifdef CONFIG_I2C
static int kfr2r09_usb0_gadget_i2c_setup(void)
{
struct i2c_adapter *a;
struct i2c_msg msg;
unsigned char buf[2];
int ret;
a = i2c_get_adapter(0);
if (!a)
return -ENODEV;
/* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
buf[0] = 0x13;
msg.addr = 0x09;
msg.buf = buf;
msg.len = 1;
msg.flags = 0;
ret = i2c_transfer(a, &msg, 1);
if (ret != 1)
return -ENODEV;
buf[0] = 0;
msg.addr = 0x09;
msg.buf = buf;
msg.len = 1;
msg.flags = I2C_M_RD;
ret = i2c_transfer(a, &msg, 1);
if (ret != 1)
return -ENODEV;
buf[1] = buf[0] | (1 << 1);
buf[0] = 0x13;
msg.addr = 0x09;
msg.buf = buf;
msg.len = 2;
msg.flags = 0;
ret = i2c_transfer(a, &msg, 1);
if (ret != 1)
return -ENODEV;
return 0;
}
static int kfr2r09_serial_i2c_setup(void)
{
struct i2c_adapter *a;
struct i2c_msg msg;
unsigned char buf[2];
int ret;
a = i2c_get_adapter(0);
if (!a)
return -ENODEV;
/* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
buf[0] = 0x13;
msg.addr = 0x09;
msg.buf = buf;
msg.len = 1;
msg.flags = 0;
ret = i2c_transfer(a, &msg, 1);
if (ret != 1)
return -ENODEV;
buf[0] = 0;
msg.addr = 0x09;
msg.buf = buf;
msg.len = 1;
msg.flags = I2C_M_RD;
ret = i2c_transfer(a, &msg, 1);
if (ret != 1)
return -ENODEV;
buf[1] = buf[0] | (1 << 6);
buf[0] = 0x13;
msg.addr = 0x09;
msg.buf = buf;
msg.len = 2;
msg.flags = 0;
ret = i2c_transfer(a, &msg, 1);
if (ret != 1)
return -ENODEV;
return 0;
}
#else
static int kfr2r09_usb0_gadget_i2c_setup(void)
{
return -ENODEV;
}
static int kfr2r09_serial_i2c_setup(void)
{
return -ENODEV;
}
#endif
static int kfr2r09_usb0_gadget_setup(void)
{
int plugged_in;
gpio_request(GPIO_PTN4, NULL); /* USB_DET */
gpio_direction_input(GPIO_PTN4);
plugged_in = gpio_get_value(GPIO_PTN4);
if (!plugged_in)
return -ENODEV; /* no cable plugged in */
if (kfr2r09_usb0_gadget_i2c_setup() != 0)
return -ENODEV; /* unable to configure using i2c */
__raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
msleep(20); /* wait 20ms to let the clock settle */
clk_enable(clk_get(NULL, "usb0"));
__raw_writew(0x0600, 0xa40501d4);
return 0;
}
extern char kfr2r09_sdram_enter_start;
extern char kfr2r09_sdram_enter_end;
extern char kfr2r09_sdram_leave_start;
extern char kfr2r09_sdram_leave_end;
static int __init kfr2r09_devices_setup(void)
{
/* register board specific self-refresh code */
sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
SUSP_SH_RSTANDBY,
&kfr2r09_sdram_enter_start,
&kfr2r09_sdram_enter_end,
&kfr2r09_sdram_leave_start,
&kfr2r09_sdram_leave_end);
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
/* enable SCIF1 serial port for YC401 console support */
gpio_request(GPIO_FN_SCIF1_RXD, NULL);
gpio_request(GPIO_FN_SCIF1_TXD, NULL);
kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
/* setup NOR flash at CS0 */
__raw_writel(0x36db0400, BSC_CS0BCR);
__raw_writel(0x00000500, BSC_CS0WCR);
/* setup NAND flash at CS4 */
__raw_writel(0x36db0400, BSC_CS4BCR);
__raw_writel(0x00000500, BSC_CS4WCR);
/* setup KEYSC pins */
gpio_request(GPIO_FN_KEYOUT0, NULL);
gpio_request(GPIO_FN_KEYOUT1, NULL);
gpio_request(GPIO_FN_KEYOUT2, NULL);
gpio_request(GPIO_FN_KEYOUT3, NULL);
gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
gpio_request(GPIO_FN_KEYIN0, NULL);
gpio_request(GPIO_FN_KEYIN1, NULL);
gpio_request(GPIO_FN_KEYIN2, NULL);
gpio_request(GPIO_FN_KEYIN3, NULL);
gpio_request(GPIO_FN_KEYIN4, NULL);
gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
/* setup LCDC pins for SYS panel */
gpio_request(GPIO_FN_LCDD17, NULL);
gpio_request(GPIO_FN_LCDD16, NULL);
gpio_request(GPIO_FN_LCDD15, NULL);
gpio_request(GPIO_FN_LCDD14, NULL);
gpio_request(GPIO_FN_LCDD13, NULL);
gpio_request(GPIO_FN_LCDD12, NULL);
gpio_request(GPIO_FN_LCDD11, NULL);
gpio_request(GPIO_FN_LCDD10, NULL);
gpio_request(GPIO_FN_LCDD9, NULL);
gpio_request(GPIO_FN_LCDD8, NULL);
gpio_request(GPIO_FN_LCDD7, NULL);
gpio_request(GPIO_FN_LCDD6, NULL);
gpio_request(GPIO_FN_LCDD5, NULL);
gpio_request(GPIO_FN_LCDD4, NULL);
gpio_request(GPIO_FN_LCDD3, NULL);
gpio_request(GPIO_FN_LCDD2, NULL);
gpio_request(GPIO_FN_LCDD1, NULL);
gpio_request(GPIO_FN_LCDD0, NULL);
gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
gpio_direction_output(GPIO_PTE4, 1);
gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
gpio_direction_output(GPIO_PTF4, 1);
gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
gpio_direction_output(GPIO_PTU0, 1);
/* setup USB function */
if (kfr2r09_usb0_gadget_setup() == 0)
platform_device_register(&kfr2r09_usb0_gadget_device);
/* CEU */
gpio_request(GPIO_FN_VIO_CKO, NULL);
gpio_request(GPIO_FN_VIO0_CLK, NULL);
gpio_request(GPIO_FN_VIO0_VD, NULL);
gpio_request(GPIO_FN_VIO0_HD, NULL);
gpio_request(GPIO_FN_VIO0_FLD, NULL);
gpio_request(GPIO_FN_VIO0_D7, NULL);
gpio_request(GPIO_FN_VIO0_D6, NULL);
gpio_request(GPIO_FN_VIO0_D5, NULL);
gpio_request(GPIO_FN_VIO0_D4, NULL);
gpio_request(GPIO_FN_VIO0_D3, NULL);
gpio_request(GPIO_FN_VIO0_D2, NULL);
gpio_request(GPIO_FN_VIO0_D1, NULL);
gpio_request(GPIO_FN_VIO0_D0, NULL);
platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
/* SDHI0 connected to yc304 */
gpio_request(GPIO_FN_SDHI0CD, NULL);
gpio_request(GPIO_FN_SDHI0D3, NULL);
gpio_request(GPIO_FN_SDHI0D2, NULL);
gpio_request(GPIO_FN_SDHI0D1, NULL);
gpio_request(GPIO_FN_SDHI0D0, NULL);
gpio_request(GPIO_FN_SDHI0CMD, NULL);
gpio_request(GPIO_FN_SDHI0CLK, NULL);
return platform_add_devices(kfr2r09_devices,
ARRAY_SIZE(kfr2r09_devices));
}
device_initcall(kfr2r09_devices_setup);
/* Return the board specific boot mode pin configuration */
static int kfr2r09_mode_pins(void)
{
/* MD0=1, MD1=1, MD2=0: Clock Mode 3
* MD3=0: 16-bit Area0 Bus Width
* MD5=1: Little Endian
* MD8=1: Test Mode Disabled
*/
return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_kfr2r09 __initmv = {
.mv_name = "kfr2r09",
.mv_mode_pins = kfr2r09_mode_pins,
};
