Linux Kernel iMX6
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/* linux/arch/arm/mach-s3c64xx/mach-smdk6410.c
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* 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/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/smsc911x.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/pwm_backlight.h>
#include <linux/platform_data/s3c-hsotg.h>
#ifdef CONFIG_SMDK6410_WM1190_EV1
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/pmic.h>
#endif
#ifdef CONFIG_SMDK6410_WM1192_EV1
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#endif
#include <video/platform_lcd.h>
#include <video/samsung_fimd.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/map.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/gpio-samsung.h>
#include <linux/platform_data/ata-samsung_cf.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/fb.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/adc.h>
#include <linux/platform_data/touchscreen-s3c2410.h>
#include <plat/keypad.h>
#include <plat/backlight.h>
#include <plat/samsung-time.h>
#include "common.h"
#include "regs-modem.h"
#include "regs-srom.h"
#include "regs-sys.h"
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
};
/* framebuffer and LCD setup. */
/* GPF15 = LCD backlight control
* GPF13 => Panel power
* GPN5 = LCD nRESET signal
* PWM_TOUT1 => backlight brightness
*/
static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
unsigned int power)
{
if (power) {
gpio_direction_output(S3C64XX_GPF(13), 1);
/* fire nRESET on power up */
gpio_direction_output(S3C64XX_GPN(5), 0);
msleep(10);
gpio_direction_output(S3C64XX_GPN(5), 1);
msleep(1);
} else {
gpio_direction_output(S3C64XX_GPF(13), 0);
}
}
static struct plat_lcd_data smdk6410_lcd_power_data = {
.set_power = smdk6410_lcd_power_set,
};
static struct platform_device smdk6410_lcd_powerdev = {
.name = "platform-lcd",
.dev.parent = &s3c_device_fb.dev,
.dev.platform_data = &smdk6410_lcd_power_data,
};
static struct s3c_fb_pd_win smdk6410_fb_win0 = {
.max_bpp = 32,
.default_bpp = 16,
.xres = 800,
.yres = 480,
.virtual_y = 480 * 2,
.virtual_x = 800,
};
static struct fb_videomode smdk6410_lcd_timing = {
.left_margin = 8,
.right_margin = 13,
.upper_margin = 7,
.lower_margin = 5,
.hsync_len = 3,
.vsync_len = 1,
.xres = 800,
.yres = 480,
};
/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
.vtiming = &smdk6410_lcd_timing,
.win[0] = &smdk6410_fb_win0,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};
/*
* Configuring Ethernet on SMDK6410
*
* Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
* The constant address below corresponds to nCS1
*
* 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
* 2) CFG6 needs to be switched to "LAN9115" side
*/
static struct resource smdk6410_smsc911x_resources[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, SZ_64K),
[1] = DEFINE_RES_NAMED(S3C_EINT(10), 1, NULL, IORESOURCE_IRQ \
| IRQ_TYPE_LEVEL_LOW),
};
static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
.flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
.phy_interface = PHY_INTERFACE_MODE_MII,
};
static struct platform_device smdk6410_smsc911x = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
.resource = &smdk6410_smsc911x_resources[0],
.dev = {
.platform_data = &smdk6410_smsc911x_pdata,
},
};
#ifdef CONFIG_REGULATOR
static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] __initdata = {
REGULATOR_SUPPLY("PVDD", "0-001b"),
REGULATOR_SUPPLY("AVDD", "0-001b"),
};
static struct regulator_init_data smdk6410_b_pwr_5v_data = {
.constraints = {
.always_on = 1,
},
.num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers),
.consumer_supplies = smdk6410_b_pwr_5v_consumers,
};
static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = {
.supply_name = "B_PWR_5V",
.microvolts = 5000000,
.init_data = &smdk6410_b_pwr_5v_data,
.gpio = -EINVAL,
};
static struct platform_device smdk6410_b_pwr_5v = {
.name = "reg-fixed-voltage",
.id = -1,
.dev = {
.platform_data = &smdk6410_b_pwr_5v_pdata,
},
};
#endif
static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = {
.setup_gpio = s3c64xx_ide_setup_gpio,
};
static uint32_t smdk6410_keymap[] __initdata = {
/* KEY(row, col, keycode) */
KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
};
static struct matrix_keymap_data smdk6410_keymap_data __initdata = {
.keymap = smdk6410_keymap,
.keymap_size = ARRAY_SIZE(smdk6410_keymap),
};
static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
.keymap_data = &smdk6410_keymap_data,
.rows = 2,
.cols = 8,
};
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
#ifdef CONFIG_SMDK6410_SD_CH0
&s3c_device_hsmmc0,
#endif
#ifdef CONFIG_SMDK6410_SD_CH1
&s3c_device_hsmmc1,
#endif
&s3c_device_i2c0,
&s3c_device_i2c1,
&s3c_device_fb,
&s3c_device_ohci,
&samsung_device_pwm,
&s3c_device_usb_hsotg,
&s3c64xx_device_iisv4,
&samsung_device_keypad,
#ifdef CONFIG_REGULATOR
&smdk6410_b_pwr_5v,
#endif
&smdk6410_lcd_powerdev,
&smdk6410_smsc911x,
&s3c_device_adc,
&s3c_device_cfcon,
&s3c_device_rtc,
&s3c_device_ts,
&s3c_device_wdt,
};
#ifdef CONFIG_REGULATOR
/* ARM core */
static struct regulator_consumer_supply smdk6410_vddarm_consumers[] = {
REGULATOR_SUPPLY("vddarm", NULL),
};
/* VDDARM, BUCK1 on J5 */
static struct regulator_init_data smdk6410_vddarm = {
.constraints = {
.name = "PVDD_ARM",
.min_uV = 1000000,
.max_uV = 1300000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(smdk6410_vddarm_consumers),
.consumer_supplies = smdk6410_vddarm_consumers,
};
/* VDD_INT, BUCK2 on J5 */
static struct regulator_init_data smdk6410_vddint = {
.constraints = {
.name = "PVDD_INT",
.min_uV = 1000000,
.max_uV = 1200000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
};
/* VDD_HI, LDO3 on J5 */
static struct regulator_init_data smdk6410_vddhi = {
.constraints = {
.name = "PVDD_HI",
.always_on = 1,
},
};
/* VDD_PLL, LDO2 on J5 */
static struct regulator_init_data smdk6410_vddpll = {
.constraints = {
.name = "PVDD_PLL",
.always_on = 1,
},
};
/* VDD_UH_MMC, LDO5 on J5 */
static struct regulator_init_data smdk6410_vdduh_mmc = {
.constraints = {
.name = "PVDD_UH+PVDD_MMC",
.always_on = 1,
},
};
/* VCCM3BT, LDO8 on J5 */
static struct regulator_init_data smdk6410_vccmc3bt = {
.constraints = {
.name = "PVCCM3BT",
.always_on = 1,
},
};
/* VCCM2MTV, LDO11 on J5 */
static struct regulator_init_data smdk6410_vccm2mtv = {
.constraints = {
.name = "PVCCM2MTV",
.always_on = 1,
},
};
/* VDD_LCD, LDO12 on J5 */
static struct regulator_init_data smdk6410_vddlcd = {
.constraints = {
.name = "PVDD_LCD",
.always_on = 1,
},
};
/* VDD_OTGI, LDO9 on J5 */
static struct regulator_init_data smdk6410_vddotgi = {
.constraints = {
.name = "PVDD_OTGI",
.always_on = 1,
},
};
/* VDD_OTG, LDO14 on J5 */
static struct regulator_init_data smdk6410_vddotg = {
.constraints = {
.name = "PVDD_OTG",
.always_on = 1,
},
};
/* VDD_ALIVE, LDO15 on J5 */
static struct regulator_init_data smdk6410_vddalive = {
.constraints = {
.name = "PVDD_ALIVE",
.always_on = 1,
},
};
/* VDD_AUDIO, VLDO_AUDIO on J5 */
static struct regulator_init_data smdk6410_vddaudio = {
.constraints = {
.name = "PVDD_AUDIO",
.always_on = 1,
},
};
#endif
#ifdef CONFIG_SMDK6410_WM1190_EV1
/* S3C64xx internal logic & PLL */
static struct regulator_init_data wm8350_dcdc1_data = {
.constraints = {
.name = "PVDD_INT+PVDD_PLL",
.min_uV = 1200000,
.max_uV = 1200000,
.always_on = 1,
.apply_uV = 1,
},
};
/* Memory */
static struct regulator_init_data wm8350_dcdc3_data = {
.constraints = {
.name = "PVDD_MEM",
.min_uV = 1800000,
.max_uV = 1800000,
.always_on = 1,
.state_mem = {
.uV = 1800000,
.mode = REGULATOR_MODE_NORMAL,
.enabled = 1,
},
.initial_state = PM_SUSPEND_MEM,
},
};
/* USB, EXT, PCM, ADC/DAC, USB, MMC */
static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
REGULATOR_SUPPLY("DVDD", "0-001b"),
};
static struct regulator_init_data wm8350_dcdc4_data = {
.constraints = {
.name = "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV",
.min_uV = 3000000,
.max_uV = 3000000,
.always_on = 1,
},
.num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
.consumer_supplies = wm8350_dcdc4_consumers,
};
/* OTGi/1190-EV1 HPVDD & AVDD */
static struct regulator_init_data wm8350_ldo4_data = {
.constraints = {
.name = "PVDD_OTGI+HPVDD+AVDD",
.min_uV = 1200000,
.max_uV = 1200000,
.apply_uV = 1,
.always_on = 1,
},
};
static struct {
int regulator;
struct regulator_init_data *initdata;
} wm1190_regulators[] = {
{ WM8350_DCDC_1, &wm8350_dcdc1_data },
{ WM8350_DCDC_3, &wm8350_dcdc3_data },
{ WM8350_DCDC_4, &wm8350_dcdc4_data },
{ WM8350_DCDC_6, &smdk6410_vddarm },
{ WM8350_LDO_1, &smdk6410_vddalive },
{ WM8350_LDO_2, &smdk6410_vddotg },
{ WM8350_LDO_3, &smdk6410_vddlcd },
{ WM8350_LDO_4, &wm8350_ldo4_data },
};
static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
{
int i;
/* Configure the IRQ line */
s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
/* Instantiate the regulators */
for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
wm8350_register_regulator(wm8350,
wm1190_regulators[i].regulator,
wm1190_regulators[i].initdata);
return 0;
}
static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
.init = smdk6410_wm8350_init,
.irq_high = 1,
.irq_base = IRQ_BOARD_START,
};
#endif
#ifdef CONFIG_SMDK6410_WM1192_EV1
static struct gpio_led wm1192_pmic_leds[] = {
{
.name = "PMIC:red:power",
.gpio = GPIO_BOARD_START + 3,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
};
static struct gpio_led_platform_data wm1192_pmic_led = {
.num_leds = ARRAY_SIZE(wm1192_pmic_leds),
.leds = wm1192_pmic_leds,
};
static struct platform_device wm1192_pmic_led_dev = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &wm1192_pmic_led,
},
};
static int wm1192_pre_init(struct wm831x *wm831x)
{
int ret;
/* Configure the IRQ line */
s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
ret = platform_device_register(&wm1192_pmic_led_dev);
if (ret != 0)
dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret);
return 0;
}
static struct wm831x_backlight_pdata wm1192_backlight_pdata = {
.isink = 1,
.max_uA = 27554,
};
static struct regulator_init_data wm1192_dcdc3 = {
.constraints = {
.name = "PVDD_MEM+PVDD_GPS",
.always_on = 1,
},
};
static struct regulator_consumer_supply wm1192_ldo1_consumers[] = {
REGULATOR_SUPPLY("DVDD", "0-001b"), /* WM8580 */
};
static struct regulator_init_data wm1192_ldo1 = {
.constraints = {
.name = "PVDD_LCD+PVDD_EXT",
.always_on = 1,
},
.consumer_supplies = wm1192_ldo1_consumers,
.num_consumer_supplies = ARRAY_SIZE(wm1192_ldo1_consumers),
};
static struct wm831x_status_pdata wm1192_led7_pdata = {
.name = "LED7:green:",
};
static struct wm831x_status_pdata wm1192_led8_pdata = {
.name = "LED8:green:",
};
static struct wm831x_pdata smdk6410_wm1192_pdata = {
.pre_init = wm1192_pre_init,
.backlight = &wm1192_backlight_pdata,
.dcdc = {
&smdk6410_vddarm, /* DCDC1 */
&smdk6410_vddint, /* DCDC2 */
&wm1192_dcdc3,
},
.gpio_base = GPIO_BOARD_START,
.ldo = {
&wm1192_ldo1, /* LDO1 */
&smdk6410_vdduh_mmc, /* LDO2 */
NULL, /* LDO3 NC */
&smdk6410_vddotgi, /* LDO4 */
&smdk6410_vddotg, /* LDO5 */
&smdk6410_vddhi, /* LDO6 */
&smdk6410_vddaudio, /* LDO7 */
&smdk6410_vccm2mtv, /* LDO8 */
&smdk6410_vddpll, /* LDO9 */
&smdk6410_vccmc3bt, /* LDO10 */
&smdk6410_vddalive, /* LDO11 */
},
.status = {
&wm1192_led7_pdata,
&wm1192_led8_pdata,
},
};
#endif
static struct i2c_board_info i2c_devs0[] __initdata = {
{ I2C_BOARD_INFO("24c08", 0x50), },
{ I2C_BOARD_INFO("wm8580", 0x1b), },
#ifdef CONFIG_SMDK6410_WM1192_EV1
{ I2C_BOARD_INFO("wm8312", 0x34),
.platform_data = &smdk6410_wm1192_pdata,
.irq = S3C_EINT(12),
},
#endif
#ifdef CONFIG_SMDK6410_WM1190_EV1
{ I2C_BOARD_INFO("wm8350", 0x1a),
.platform_data = &smdk6410_wm8350_pdata,
.irq = S3C_EINT(12),
},
#endif
};
static struct i2c_board_info i2c_devs1[] __initdata = {
{ I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
};
/* LCD Backlight data */
static struct samsung_bl_gpio_info smdk6410_bl_gpio_info = {
.no = S3C64XX_GPF(15),
.func = S3C_GPIO_SFN(2),
};
static struct platform_pwm_backlight_data smdk6410_bl_data = {
.pwm_id = 1,
.enable_gpio = -1,
};
static struct s3c_hsotg_plat smdk6410_hsotg_pdata;
static void __init smdk6410_map_io(void)
{
u32 tmp;
s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
s3c64xx_set_xtal_freq(12000000);
s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
/* set the LCD type */
tmp = __raw_readl(S3C64XX_SPCON);
tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
__raw_writel(tmp, S3C64XX_SPCON);
/* remove the lcd bypass */
tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
tmp &= ~MIFPCON_LCD_BYPASS;
__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
}
static void __init smdk6410_machine_init(void)
{
u32 cs1;
s3c_i2c0_set_platdata(NULL);
s3c_i2c1_set_platdata(NULL);
s3c_fb_set_platdata(&smdk6410_lcd_pdata);
s3c_hsotg_set_platdata(&smdk6410_hsotg_pdata);
samsung_keypad_set_platdata(&smdk6410_keypad_data);
s3c24xx_ts_set_platdata(NULL);
/* configure nCS1 width to 16 bits */
cs1 = __raw_readl(S3C64XX_SROM_BW) &
~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
(1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
(1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
S3C64XX_SROM_BW__NCS1__SHIFT;
__raw_writel(cs1, S3C64XX_SROM_BW);
/* set timing for nCS1 suitable for ethernet chip */
__raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
(0xe << S3C64XX_SROM_BCX__TACC__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
gpio_request(S3C64XX_GPN(5), "LCD power");
gpio_request(S3C64XX_GPF(13), "LCD power");
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
s3c_ide_set_platdata(&smdk6410_ide_pdata);
platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
samsung_bl_set(&smdk6410_bl_gpio_info, &smdk6410_bl_data);
}
MACHINE_START(SMDK6410, "SMDK6410")
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
.atag_offset = 0x100,
.init_irq = s3c6410_init_irq,
.map_io = smdk6410_map_io,
.init_machine = smdk6410_machine_init,
.init_late = s3c64xx_init_late,
.init_time = samsung_timer_init,
.restart = s3c64xx_restart,
MACHINE_END