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authorMagnus Damm <damm@opensource.se>2013-10-08 07:40:08 +0400
committerSimon Horman <horms+renesas@verge.net.au>2013-12-10 12:24:19 +0400
commit721319d1ab8bb854ad4befc3ac70b7401d2d7dab (patch)
tree0d294d9dfe642f692797806c3e1ecf81e38c318e /arch/arm/mach-shmobile/board-koelsch.c
parent87a2934ecff1e054b5d2b7cb6dea2ee0eb649ff3 (diff)
downloadlinux-721319d1ab8bb854ad4befc3ac70b7401d2d7dab.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-shmobile/board-koelsch.c')
-rw-r--r--arch/arm/mach-shmobile/board-koelsch.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c
index 2299d658a843..59fa0b975473 100644
--- a/arch/arm/mach-shmobile/board-koelsch.c
+++ b/arch/arm/mach-shmobile/board-koelsch.c
@@ -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 = {