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authorLars-Peter Clausen <lars@metafoo.de>2011-02-28 09:24:34 +0300
committerKukjin Kim <kgene.kim@samsung.com>2011-02-28 09:24:34 +0300
commit003ddede62892f332992b200b1a1d7506f253d56 (patch)
treeac9a80cc4121fba46adcad2a9d67ae32d3220f27 /arch/arm/mach-s3c2440
parentafbb1edcd48bc7e2d90d6ae9ea5aa662d222c07c (diff)
downloadlinux-003ddede62892f332992b200b1a1d7506f253d56.tar.xz
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.c34
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 = &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. */