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authorKyungmin Park <kyungmin.park@samsung.com>2010-08-21 02:49:49 +0200
committerKukjin Kim <kgene.kim@samsung.com>2010-10-21 00:52:15 +0200
commit34d79315a22b743a8f4e26c2e11fa16469c71473 (patch)
treef58fb76bd01ebbcf3a580daa6217fb77244f733a /arch/arm/mach-s5pv310
parentARM: S5PV310: update S5PV310 Kconfig for supporting multiple machines (diff)
downloadlinux-34d79315a22b743a8f4e26c2e11fa16469c71473.tar.xz
linux-34d79315a22b743a8f4e26c2e11fa16469c71473.zip
ARM: S5PV310: Add GPIO keys at Universal board
Universal board has 5 GPIO keys. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5pv310')
-rw-r--r--arch/arm/mach-s5pv310/mach-universal_c210.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/mach-universal_c210.c b/arch/arm/mach-s5pv310/mach-universal_c210.c
index 2388cb947936..b57efaeb295f 100644
--- a/arch/arm/mach-s5pv310/mach-universal_c210.c
+++ b/arch/arm/mach-s5pv310/mach-universal_c210.c
@@ -7,7 +7,11 @@
* published by the Free Software Foundation.
*/
+#include <linux/platform_device.h>
#include <linux/serial_core.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -60,6 +64,61 @@ static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
},
};
+static struct gpio_keys_button universal_gpio_keys_tables[] = {
+ {
+ .code = KEY_VOLUMEUP,
+ .gpio = S5PV310_GPX2(0), /* XEINT16 */
+ .desc = "gpio-keys: KEY_VOLUMEUP",
+ .type = EV_KEY,
+ .active_low = 1,
+ .debounce_interval = 1,
+ }, {
+ .code = KEY_VOLUMEDOWN,
+ .gpio = S5PV310_GPX2(1), /* XEINT17 */
+ .desc = "gpio-keys: KEY_VOLUMEDOWN",
+ .type = EV_KEY,
+ .active_low = 1,
+ .debounce_interval = 1,
+ }, {
+ .code = KEY_CONFIG,
+ .gpio = S5PV310_GPX2(2), /* XEINT18 */
+ .desc = "gpio-keys: KEY_CONFIG",
+ .type = EV_KEY,
+ .active_low = 1,
+ .debounce_interval = 1,
+ }, {
+ .code = KEY_CAMERA,
+ .gpio = S5PV310_GPX2(3), /* XEINT19 */
+ .desc = "gpio-keys: KEY_CAMERA",
+ .type = EV_KEY,
+ .active_low = 1,
+ .debounce_interval = 1,
+ }, {
+ .code = KEY_OK,
+ .gpio = S5PV310_GPX3(5), /* XEINT29 */
+ .desc = "gpio-keys: KEY_OK",
+ .type = EV_KEY,
+ .active_low = 1,
+ .debounce_interval = 1,
+ },
+};
+
+static struct gpio_keys_platform_data universal_gpio_keys_data = {
+ .buttons = universal_gpio_keys_tables,
+ .nbuttons = ARRAY_SIZE(universal_gpio_keys_tables),
+};
+
+static struct platform_device universal_gpio_keys = {
+ .name = "gpio-keys",
+ .dev = {
+ .platform_data = &universal_gpio_keys_data,
+ },
+};
+
+static struct platform_device *universal_devices[] __initdata = {
+ &universal_gpio_keys,
+};
+
static void __init universal_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -72,6 +131,9 @@ static void __init universal_machine_init(void)
#ifdef CONFIG_CACHE_L2X0
l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
#endif
+
+ /* Last */
+ platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
}
MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")