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author | Marek Szyprowski <m.szyprowski@samsung.com> | 2010-10-04 07:39:20 (GMT) |
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committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-10-20 22:54:57 (GMT) |
commit | 8415d5c41564a9b7c802f26d5a4795ddb823d6ed (patch) | |
tree | 34c9a67d09fa814fee82e3f21457f2ea0b4c6a33 /arch/arm/mach-s5pv210/mach-goni.c | |
parent | ea31fd4330c823bd156d6484e32a0777c35f200f (diff) | |
download | linux-8415d5c41564a9b7c802f26d5a4795ddb823d6ed.tar.xz |
ARM: S5PV210: Add support for S6E63M0 LCD controller on GONI board
Add required platform definitions for S6E63M0 LCD controller on Samsung
Goni board.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: minor title fixes]
[kgene.kim@samsung.com: fix build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5pv210/mach-goni.c')
-rw-r--r-- | arch/arm/mach-s5pv210/mach-goni.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index 30ad59f..435b68f 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -17,6 +17,9 @@ #include <linux/i2c-gpio.h> #include <linux/mfd/max8998.h> #include <linux/regulator/fixed.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/lcd.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/gpio.h> @@ -113,6 +116,65 @@ static struct s3c_fb_platdata goni_lcd_pdata __initdata = { .setup_gpio = s5pv210_fb_gpio_setup_24bpp, }; +static int lcd_power_on(struct lcd_device *ld, int enable) +{ + return 1; +} + +static int reset_lcd(struct lcd_device *ld) +{ + static unsigned int first = 1; + int reset_gpio = -1; + + reset_gpio = S5PV210_MP05(5); + + if (first) { + gpio_request(reset_gpio, "MLCD_RST"); + first = 0; + } + + gpio_direction_output(reset_gpio, 1); + return 1; +} + +static struct lcd_platform_data goni_lcd_platform_data = { + .reset = reset_lcd, + .power_on = lcd_power_on, + .lcd_enabled = 0, + .reset_delay = 120, /* 120ms */ + .power_on_delay = 25, /* 25ms */ + .power_off_delay = 200, /* 200ms */ +}; + +#define LCD_BUS_NUM 3 +static struct spi_board_info spi_board_info[] __initdata = { + { + .modalias = "s6e63m0", + .platform_data = &goni_lcd_platform_data, + .max_speed_hz = 1200000, + .bus_num = LCD_BUS_NUM, + .chip_select = 0, + .mode = SPI_MODE_3, + .controller_data = (void *)S5PV210_MP01(1), /* DISPLAY_CS */ + }, +}; + +static struct spi_gpio_platform_data lcd_spi_gpio_data = { + .sck = S5PV210_MP04(1), /* DISPLAY_CLK */ + .mosi = S5PV210_MP04(3), /* DISPLAY_SI */ + .miso = SPI_GPIO_NO_MISO, + .num_chipselect = 1, +}; + +static struct platform_device goni_spi_gpio = { + .name = "spi_gpio", + .id = LCD_BUS_NUM, + .dev = { + .parent = &s3c_device_fb.dev, + .platform_data = &lcd_spi_gpio_data, + }, +}; + /* KEYPAD */ static uint32_t keymap[] __initdata = { /* KEY(row, col, keycode) */ @@ -513,6 +575,7 @@ static void goni_setup_sdhci(void) static struct platform_device *goni_devices[] __initdata = { &s3c_device_fb, &s5p_device_onenand, + &goni_spi_gpio, &goni_i2c_gpio_pmic, &mmc2_fixed_voltage, &goni_device_gpiokeys, @@ -545,6 +608,9 @@ static void __init goni_machine_init(void) /* FB */ s3c_fb_set_platdata(&goni_lcd_pdata); + /* SPI */ + spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); + /* KEYPAD */ samsung_keypad_set_platdata(&keypad_data); |