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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>
hifive-unleashed-5.1
Kyungmin Park 2010-08-21 09:49:49 +09:00 committed by Kukjin Kim
parent ca0ffd469a
commit 34d79315a2
1 changed files with 62 additions and 0 deletions
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62
arch/arm/mach-s5pv310/mach-universal_c210.c
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@ -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")