diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2011-02-28 07:24:34 +0100 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-02-28 07:24:34 +0100 |
| commit | 003ddede62892f332992b200b1a1d7506f253d56 (patch) | |
| tree | ac9a80cc4121fba46adcad2a9d67ae32d3220f27 /arch/arm/mach-s3c2440 | |
| parent | ARM: S3C2440: Register PCM device on GTA02 (diff) | |
| download | linux-003ddede62892f332992b200b1a1d7506f253d56.tar.xz linux-003ddede62892f332992b200b1a1d7506f253d56.zip | |
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>
Diffstat (limited to 'arch/arm/mach-s3c2440')
| -rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index e83062bde416..6629998bafdc 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -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 = >a02_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, + >a02_buttons_device, }; /* These guys DO need to be children of PMU. */ |