diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9260ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9260ek.c | 80 |
1 files changed, 76 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index cb20e70b3b0..b49eb6e4918 100644 --- a/arch/arm/mach-at91/board-sam9260ek.c +++ b/arch/arm/mach-at91/board-sam9260ek.c @@ -27,8 +27,10 @@ #include <linux/spi/spi.h> #include <linux/spi/at73c213.h> #include <linux/clk.h> +#include <linux/i2c/at24.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> -#include <mach/hardware.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/irq.h> @@ -37,6 +39,7 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <mach/hardware.h> #include <mach/board.h> #include <mach/gpio.h> @@ -163,11 +166,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, - .size = 256 * 1024, + .size = SZ_256K, }, { .name = "Partition 2", - .offset = 256 * 1024, + .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, }, }; @@ -222,6 +225,73 @@ static struct gpio_led ek_leds[] = { } }; +/* + * I2C devices + */ +static struct at24_platform_data at24c512 = { + .byte_len = SZ_512K / 8, + .page_size = 128, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("24c512", 0x50), + .platform_data = &at24c512, + }, + /* more devices can be added using expansion connectors */ +}; + + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { + .gpio = AT91_PIN_PA30, + .code = BTN_3, + .desc = "Button 3", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PA31, + .code = BTN_4, + .desc = "Button 4", + .active_low = 1, + .wakeup = 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_PA30, 1); /* btn3 */ + at91_set_deglitch(AT91_PIN_PA30, 1); + at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */ + at91_set_deglitch(AT91_PIN_PA31, 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 */ @@ -239,12 +309,14 @@ static void __init ek_board_init(void) /* MMC */ at91_add_device_mmc(0, &ek_mmc_data); /* I2C */ - at91_add_device_i2c(NULL, 0); + at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); /* SSC (to AT73C213) */ at73c213_set_clk(&at73c213_data); at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* Push Buttons */ + ek_add_device_buttons(); } MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") |