/*
* linux/arch/arm/mach-exynos4/mach-nuri.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
*
* 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/platform_device.h>
#include <linux/serial_core.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/mmc/host.h>
#include <linux/fb.h>
#include <linux/pwm_backlight.h>
#include <video/platform_lcd.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>
#include <mach/map.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define NURI_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN)
#define NURI_ULCON_DEFAULT S3C2410_LCON_CS8
#define NURI_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S5PV210_UFCON_TXTRIG256 | \
S5PV210_UFCON_RXTRIG256)
enum fixed_regulator_id {
FIXED_REG_ID_MMC = 0,
};
static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = {
{
.hwport = 0,
.ucon = NURI_UCON_DEFAULT,
.ulcon = NURI_ULCON_DEFAULT,
.ufcon = NURI_UFCON_DEFAULT,
},
{
.hwport = 1,
.ucon = NURI_UCON_DEFAULT,
.ulcon = NURI_ULCON_DEFAULT,
.ufcon = NURI_UFCON_DEFAULT,
},
{
.hwport = 2,
.ucon = NURI_UCON_DEFAULT,
.ulcon = NURI_ULCON_DEFAULT,
.ufcon = NURI_UFCON_DEFAULT,
},
{
.hwport = 3,
.ucon = NURI_UCON_DEFAULT,
.ulcon = NURI_ULCON_DEFAULT,
.ufcon = NURI_UFCON_DEFAULT,
},
};
/* eMMC */
static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
.max_width = 8,
.host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
MMC_CAP_DISABLE | MMC_CAP_ERASE),
.cd_type = S3C_SDHCI_CD_PERMANENT,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct regulator_consumer_supply emmc_supplies[] = {
REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
REGULATOR_SUPPLY("vmmc", "dw_mmc"),
};
static struct regulator_init_data emmc_fixed_voltage_init_data = {
.constraints = {
.name = "VMEM_VDD_2.8V",
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(emmc_supplies),
.consumer_supplies = emmc_supplies,
};
static struct fixed_voltage_config emmc_fixed_voltage_config = {
.supply_name = "MASSMEMORY_EN (inverted)",
.microvolts = 2800000,
.gpio = EXYNOS4_GPL1(1),
.enable_high = false,
.init_data = &emmc_fixed_voltage_init_data,
};
static struct platform_device emmc_fixed_voltage = {
.name = "reg-fixed-voltage",
.id = FIXED_REG_ID_MMC,
.dev = {
.platform_data = &emmc_fixed_voltage_config,
},
};
/* SD */
static struct s3c_sdhci_platdata nuri_hsmmc2_data __initdata = {
.max_width = 4,
.host_caps = MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
MMC_CAP_DISABLE,
.ext_cd_gpio = EXYNOS4_GPX3(3), /* XEINT_27 */
.ext_cd_gpio_invert = 1,
.cd_type = S3C_SDHCI_CD_GPIO,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
/* WLAN */
static struct s3c_sdhci_platdata nuri_hsmmc3_data __initdata = {
.max_width = 4,
.host_caps = MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
.cd_type = S3C_SDHCI_CD_EXTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static void __init nuri_sdhci_init(void)
{
s3c_sdhci0_set_platdata(&nuri_hsmmc0_data);
s3c_sdhci2_set_platdata(&nuri_hsmmc2_data);
s3c_sdhci3_set_platdata(&nuri_hsmmc3_data);
}
/* GPIO KEYS */
static struct gpio_keys_button nuri_gpio_keys_tables[] = {
{
.code = KEY_VOLUMEUP,
.gpio = EXYNOS4_GPX2(0), /* XEINT16 */
.desc = "gpio-keys: KEY_VOLUMEUP",
.type = EV_KEY,
.active_low = 1,
.debounce_interval = 1,
}, {
.code = KEY_VOLUMEDOWN,
.gpio = EXYNOS4_GPX2(1), /* XEINT17 */
.desc = "gpio-keys: KEY_VOLUMEDOWN",
.type = EV_KEY,
.active_low = 1,
.debounce_interval = 1,
}, {
.code = KEY_POWER,
.gpio = EXYNOS4_GPX2(7), /* XEINT23 */
.desc = "gpio-keys: KEY_POWER",
.type = EV_KEY,
.active_low = 1,
.wakeup = 1,
.debounce_interval = 1,
},
};
static struct gpio_keys_platform_data nuri_gpio_keys_data = {
.buttons = nuri_gpio_keys_tables,
.nbuttons = ARRAY_SIZE(nuri_gpio_keys_tables),
};
static struct platform_device nuri_gpio_keys = {
.name = "gpio-keys",
.dev = {
.platform_data = &nuri_gpio_keys_data,
},
};
static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power)
{
int gpio = EXYNOS4_GPE1(5);
gpio_request(gpio, "LVDS_nSHDN");
gpio_direction_output(gpio, power);
gpio_free(gpio);
}
static int nuri_bl_init(struct device *dev)
{
int ret, gpio = EXYNOS4_GPE2(3);
ret = gpio_request(gpio, "LCD_LDO_EN");
if (!ret)
gpio_direction_output(gpio, 0);
return ret;
}
static int nuri_bl_notify(struct device *dev, int brightness)
{
if (brightness < 1)
brightness = 0;
gpio_set_value(EXYNOS4_GPE2(3), 1);
return brightness;
}
static void nuri_bl_exit(struct device *dev)
{
gpio_free(EXYNOS4_GPE2(3));
}
/* nuri pwm backlight */
static struct platform_pwm_backlight_data nuri_backlight_data = {
.pwm_id = 0,
.pwm_period_ns = 30000,
.max_brightness = 100,
.dft_brightness = 50,
.init = nuri_bl_init,
.notify = nuri_bl_notify,
.exit = nuri_bl_exit,
};
static struct platform_device nuri_backlight_device = {
.name = "pwm-backlight",
.id = -1,
.dev = {
.parent = &s3c_device_timer[0].dev,
.platform_data = &nuri_backlight_data,
},
};
static struct plat_lcd_data nuri_lcd_platform_data = {
.set_power = nuri_lcd_power_on,
};
static struct platform_device nuri_lcd_device = {
.name = "platform-lcd",
.id = -1,
.dev = {
.platform_data = &nuri_lcd_platform_data,
},
};
/* I2C1 */
static struct i2c_board_info i2c1_devs[] __initdata = {
/* Gyro, To be updated */
};
/* GPIO I2C 5 (PMIC) */
static struct i2c_board_info i2c5_devs[] __initdata = {
/* max8997, To be updated */
};
static struct platform_device *nuri_devices[] __initdata = {
/* Samsung Platform Devices */
&emmc_fixed_voltage,
&s3c_device_hsmmc0,
&s3c_device_hsmmc2,
&s3c_device_hsmmc3,
&s3c_device_wdt,
&s3c_device_timer[0],
/* NURI Devices */
&nuri_gpio_keys,
&nuri_lcd_device,
&nuri_backlight_device,
};
static void __init nuri_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
}
static void __init nuri_machine_init(void)
{
nuri_sdhci_init();
i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
/* Last */
platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices));
}
MACHINE_START(NURI, "NURI")
/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
.boot_params = S5P_PA_SDRAM + 0x100,
.init_irq = exynos4_init_irq,
.map_io = nuri_map_io,
.init_machine = nuri_machine_init,
.timer = &exynos4_timer,
MACHINE_END
