diff options
Diffstat (limited to 'arch/arm/mach-exynos4/mach-nuri.c')
| -rw-r--r-- | arch/arm/mach-exynos4/mach-nuri.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c new file mode 100644 index 000000000000..b79ad010d194 --- /dev/null +++ b/arch/arm/mach-exynos4/mach-nuri.c @@ -0,0 +1,305 @@ +/* + * 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 |