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ARM: shmobile: Add Koelsch SW2 support 

Enable Koelsch GPIO switch for GPIO input and IRQ testing purpose.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Magnus Damm 2013-10-08 12:40:08 +09:00 committed by Simon Horman
parent 87a2934ecf
commit 721319d1ab
1 changed files with 22 additions and 0 deletions
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22
arch/arm/mach-shmobile/board-koelsch.c
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@ -19,6 +19,9 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/platform_data/gpio-rcar.h>
@ -51,6 +54,22 @@ static const struct gpio_led_platform_data koelsch_leds_pdata __initconst = {
.num_leds = ARRAY_SIZE(koelsch_leds),
};
/* GPIO KEY */
#define GPIO_KEY(c, g, d, ...) \
{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
static struct gpio_keys_button gpio_buttons[] = {
GPIO_KEY(KEY_4, RCAR_GP_PIN(5, 3), "SW2-pin4"),
GPIO_KEY(KEY_3, RCAR_GP_PIN(5, 2), "SW2-pin3"),
GPIO_KEY(KEY_2, RCAR_GP_PIN(5, 1), "SW2-pin2"),
GPIO_KEY(KEY_1, RCAR_GP_PIN(5, 0), "SW2-pin1"),
};
static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
static void __init koelsch_add_standard_devices(void)
{
r8a7791_clock_init();
@ -59,6 +78,9 @@ static void __init koelsch_add_standard_devices(void)
platform_device_register_data(&platform_bus, "leds-gpio", -1,
&koelsch_leds_pdata,
sizeof(koelsch_leds_pdata));
platform_device_register_data(&platform_bus, "gpio-keys", -1,
&koelsch_keys_pdata,
sizeof(koelsch_keys_pdata));
}
static const char * const koelsch_boards_compat_dt[] __initconst = {