[PATCH] ARM: S5PC210: Add gpio keys at Universal board
Kyungmin Park
kyungmin.park at samsung.com
Mon Aug 2 01:28:46 EDT 2010
Universal board has 5 gpio keys.
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
arch/arm/mach-s5pv310/mach-universal.c | 62 ++++++++++++++++++++++++++++++++
1 files changed, 62 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv310/mach-universal.c b/arch/arm/mach-s5pv310/mach-universal.c
index b5908d9..d584028 100644
--- a/arch/arm/mach-s5pv310/mach-universal.c
+++ b/arch/arm/mach-s5pv310/mach-universal.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, "UNIVERSAL")
--
1.5.3.3
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