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Commit 003ddede authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Kukjin Kim
Browse files

ARM: S3C2440: Add button support on GTA02 



This patch adds support for the two buttons found on the gta02 device,
which are connectd to gpio pins, using the gpio-keys driver.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent afbb1edc

arch/arm/mach-s3c2440/mach-gta02.c

+34 −0
Original line number Diff line number Diff line
@@ -58,6 +58,9 @@ 
#include <linux/mfd/pcf50633/pmic.h>

#include <linux/mfd/pcf50633/backlight.h>



#include <linux/input.h>

#include <linux/gpio_keys.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>
@@ -489,6 +492,36 @@ static struct s3c2410_hcd_info gta02_usb_info __initdata = { 
	},

};



/* Buttons */

static struct gpio_keys_button gta02_buttons[] = {

	{

		.gpio = GTA02_GPIO_AUX_KEY,

		.code = KEY_PHONE,

		.desc = "Aux",

		.type = EV_KEY,

		.debounce_interval = 100,

	},

	{

		.gpio = GTA02_GPIO_HOLD_KEY,

		.code = KEY_PAUSE,

		.desc = "Hold",

		.type = EV_KEY,

		.debounce_interval = 100,

	},

};



static struct gpio_keys_platform_data gta02_buttons_pdata = {

	.buttons = gta02_buttons,

	.nbuttons = ARRAY_SIZE(gta02_buttons),

};



static struct platform_device gta02_buttons_device = {

	.name = "gpio-keys",

	.id = -1,

	.dev = {

		.platform_data = &gta02_buttons_pdata,

	},

};



static void __init gta02_map_io(void)

{
@@ -511,6 +544,7 @@ static struct platform_device *gta02_devices[] __initdata = { 
	&s3c_device_iis,

	&samsung_asoc_dma,

	&s3c_device_i2c0,

	&gta02_buttons_device,

};



/* These guys DO need to be children of PMU. */