This patch adds keypad support for Origen board as GPIO keys.
Signed-off-by: Sachin Kamat sachin.kamat@linaro.org --- arch/arm/mach-exynos4/mach-origen.c | 58 +++++++++++++++++++++++++++++++++++ 1 files changed, 58 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c index ed59f86..61da36b 100644 --- a/arch/arm/mach-exynos4/mach-origen.c +++ b/arch/arm/mach-exynos4/mach-origen.c @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/input.h> +#include <linux/gpio_keys.h>
#include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -79,10 +80,67 @@ static struct s3c_sdhci_platdata origen_hsmmc2_pdata __initdata = { .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, };
+static struct gpio_keys_button origen_gpio_keys_table[] = { + { + .code = KEY_MENU, + .gpio = EXYNOS4_GPX1(5), + .desc = "gpio-keys: KEY_MENU", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_HOME, + .gpio = EXYNOS4_GPX1(6), + .desc = "gpio-keys: KEY_HOME", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_BACK, + .gpio = EXYNOS4_GPX1(7), + .desc = "gpio-keys: KEY_BACK", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_UP, + .gpio = EXYNOS4_GPX2(0), + .desc = "gpio-keys: KEY_UP", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_DOWN, + .gpio = EXYNOS4_GPX2(1), + .desc = "gpio-keys: KEY_DOWN", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, +}; + +static struct gpio_keys_platform_data origen_gpio_keys_data = { + .buttons = origen_gpio_keys_table, + .nbuttons = ARRAY_SIZE(origen_gpio_keys_table), +}; + +static struct platform_device origen_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &origen_gpio_keys_data, + }, +}; + static struct platform_device *origen_devices[] __initdata = { &s3c_device_hsmmc2, &s3c_device_rtc, &s3c_device_wdt, + &origen_device_gpiokeys, };
static void __init origen_map_io(void)