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authorSachin Kamat <sachin.kamat@linaro.org>2011-09-16 21:41:25 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-10-03 08:42:22 +0900
commitc86cfdd012498ddab2b2eb23fad201637a77acf4 (patch)
treee56ebe43b24ec4cdb1cc421358a555c112cfd8ea
parentcf1dad9d7f14ddf555baa0fcc82d17d5f29d3ae2 (diff)
ARM: EXYNOS4: Add keypad support for ORIGEN
This patch adds keypad support for ORIGEN board as GPIO keys. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
-rw-r--r--arch/arm/mach-exynos4/mach-origen.c58
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 cd5195f9354..3d67140aaea 100644
--- a/arch/arm/mach-exynos4/mach-origen.c
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -15,6 +15,7 @@
#include <linux/io.h>
#include <linux/input.h>
#include <linux/pwm_backlight.h>
+#include <linux/gpio_keys.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -97,6 +98,62 @@ static void __init origen_ehci_init(void)
s5p_ehci_set_platdata(pdata);
}
+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_hsmmc0,
@@ -107,6 +164,7 @@ static struct platform_device *origen_devices[] __initdata = {
&s5p_device_fimc1,
&s5p_device_fimc2,
&s5p_device_fimc3,
+ &origen_device_gpiokeys,
};
/* LCD Backlight data */