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ARM: EXYNOS4: Add keypad support for ORIGEN

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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>
This commit is contained in:
Sachin Kamat 2011-09-16 21:41:25 +09:00 committed by Kukjin Kim
parent cf1dad9d7f
commit c86cfdd012
1 changed files with 58 additions and 0 deletions
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58
arch/arm/mach-exynos4/mach-origen.c
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@ -15,6 +15,7 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/input.h> #include <linux/input.h>
#include <linux/pwm_backlight.h> #include <linux/pwm_backlight.h>
#include <linux/gpio_keys.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
@ -97,6 +98,62 @@ static void __init origen_ehci_init(void)
s5p_ehci_set_platdata(pdata); 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 = { static struct platform_device *origen_devices[] __initdata = {
&s3c_device_hsmmc2, &s3c_device_hsmmc2,
&s3c_device_hsmmc0, &s3c_device_hsmmc0,
@ -107,6 +164,7 @@ static struct platform_device *origen_devices[] __initdata = {
&s5p_device_fimc1, &s5p_device_fimc1,
&s5p_device_fimc2, &s5p_device_fimc2,
&s5p_device_fimc3, &s5p_device_fimc3,
&origen_device_gpiokeys,
}; };
/* LCD Backlight data */ /* LCD Backlight data */