Commit c86cfdd0 authored by Sachin Kamat's avatar Sachin Kamat Committed by Kukjin Kim
Browse files

ARM: EXYNOS4: Add keypad support for ORIGEN 



This patch adds keypad support for ORIGEN board as GPIO keys.

Signed-off-by: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent cf1dad9d

arch/arm/mach-exynos4/mach-origen.c

+58 −0
Original line number Diff line number Diff line
@@ -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 */