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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: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Lars-Peter Clausen 2011-02-28 15:24:34 +09:00 committed by Kukjin Kim
parent afbb1edcd4
commit 003ddede62
1 changed files with 34 additions and 0 deletions
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34
arch/arm/mach-s3c2440/mach-gta02.c
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@ -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. */