Commit 34d79315 authored by Kyungmin Park's avatar Kyungmin Park Committed by Kukjin Kim
Browse files

ARM: S5PV310: Add GPIO keys at Universal board



Universal board has 5 GPIO keys.

Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent ca0ffd46
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+62 −0
Original line number Diff line number Diff line
@@ -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")