diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9261ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9261ek.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index 26ca8ab3f62..42e172cb0f4 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -27,6 +27,11 @@ #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> #include <linux/dm9000.h> +#include <linux/fb.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> + +#include <video/atmel_lcdc.h> #include <asm/hardware.h> #include <asm/setup.h> @@ -271,6 +276,127 @@ static struct spi_board_info ek_spi_devices[] = { }; +/* + * LCD Controller + */ +#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) +static struct fb_videomode at91_tft_vga_modes[] = { + { + .name = "TX09D50VM1CCA @ 60", + .refresh = 60, + .xres = 240, .yres = 320, + .pixclock = KHZ2PICOS(4965), + + .left_margin = 1, .right_margin = 33, + .upper_margin = 1, .lower_margin = 0, + .hsync_len = 5, .vsync_len = 1, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + .vmode = FB_VMODE_NONINTERLACED, + }, +}; + +static struct fb_monspecs at91fb_default_monspecs = { + .manufacturer = "HIT", + .monitor = "TX09D50VM1CCA", + + .modedb = at91_tft_vga_modes, + .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), + .hfmin = 15000, + .hfmax = 64000, + .vfmin = 50, + .vfmax = 150, +}; + +#define AT91SAM9261_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ + | ATMEL_LCDC_DISTYPE_TFT \ + | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) + +static void at91_lcdc_power_control(int on) +{ + if (on) + at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */ + else + at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */ +} + +/* Driver datas */ +static struct atmel_lcdfb_info __initdata ek_lcdc_data = { + .default_bpp = 16, + .default_dmacon = ATMEL_LCDC_DMAEN, + .default_lcdcon2 = AT91SAM9261_DEFAULT_LCDCON2, + .default_monspecs = &at91fb_default_monspecs, + .atmel_lcdfb_power_control = at91_lcdc_power_control, + .guard_time = 1, +}; + +#else +static struct atmel_lcdfb_info __initdata ek_lcdc_data; +#endif + + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { + .gpio = AT91_PIN_PA27, + .keycode = BTN_0, + .desc = "Button 0", + .active_low = 1, + }, + { + .gpio = AT91_PIN_PA26, + .keycode = BTN_1, + .desc = "Button 1", + .active_low = 1, + }, + { + .gpio = AT91_PIN_PA25, + .keycode = BTN_2, + .desc = "Button 2", + .active_low = 1, + }, + { + .gpio = AT91_PIN_PA24, + .keycode = BTN_3, + .desc = "Button 3", + .active_low = 1, + } +}; + +static struct gpio_keys_platform_data ek_button_data = { + .buttons = ek_buttons, + .nbuttons = ARRAY_SIZE(ek_buttons), +}; + +static struct platform_device ek_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ek_button_data, + } +}; + +static void __init ek_add_device_buttons(void) +{ + at91_set_gpio_input(AT91_PIN_PB27, 0); /* btn0 */ + at91_set_deglitch(AT91_PIN_PB27, 1); + at91_set_gpio_input(AT91_PIN_PB26, 0); /* btn1 */ + at91_set_deglitch(AT91_PIN_PB26, 1); + at91_set_gpio_input(AT91_PIN_PB25, 0); /* btn2 */ + at91_set_deglitch(AT91_PIN_PB25, 1); + at91_set_gpio_input(AT91_PIN_PB24, 0); /* btn3 */ + at91_set_deglitch(AT91_PIN_PB24, 1); + + platform_device_register(&ek_button_device); +} +#else +static void __init ek_add_device_buttons(void) {} +#endif + static void __init ek_board_init(void) { /* Serial */ @@ -296,6 +422,10 @@ static void __init ek_board_init(void) /* MMC */ at91_add_device_mmc(0, &ek_mmc_data); #endif + /* LCD Controller */ + at91_add_device_lcdc(&ek_lcdc_data); + /* Push Buttons */ + ek_add_device_buttons(); } MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK") |