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authorSimon Horman <horms+renesas@verge.net.au>2013-07-30 01:59:00 (GMT)
committerSimon Horman <horms+renesas@verge.net.au>2013-08-06 09:18:52 (GMT)
commit5c6db1a421c6ceef199a956c7e0c1244ea6dfef7 (patch)
tree57d4a16f58f50124b2630f4579ca4c04284e8983 /arch/arm/mach-shmobile/board-ape6evm.c
parentf79d68da510bf1b95beff4d556b78d06801f11dc (diff)
downloadlinux-fsl-qoriq-5c6db1a421c6ceef199a956c7e0c1244ea6dfef7.tar.xz
ARM: shmobile: ape6evm: support GPIO switches
The ape6evm board has switches S16 - S23 wired up to GPIO pins. This patch allows access to those pins as gpio-keys. Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/board-ape6evm.c')
-rw-r--r--arch/arm/mach-shmobile/board-ape6evm.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index ccf8b04..677752c 100644
--- a/arch/arm/mach-shmobile/board-ape6evm.c
+++ b/arch/arm/mach-shmobile/board-ape6evm.c
@@ -19,6 +19,8 @@
*/
#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/tmio.h>
@@ -37,6 +39,24 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+/* 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_0, 324, "S16"),
+ GPIO_KEY(KEY_MENU, 325, "S17"),
+ GPIO_KEY(KEY_HOME, 326, "S18"),
+ GPIO_KEY(KEY_BACK, 327, "S19"),
+ GPIO_KEY(KEY_VOLUMEUP, 328, "S20"),
+ GPIO_KEY(KEY_VOLUMEDOWN, 329, "S21"),
+};
+
+static struct __initdata gpio_keys_platform_data ape6evm_keys_pdata = {
+ .buttons = gpio_buttons,
+ .nbuttons = ARRAY_SIZE(gpio_buttons),
+};
+
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
@@ -172,6 +192,9 @@ static void __init ape6evm_add_standard_devices(void)
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
&sdhi1_pdata, sizeof(sdhi1_pdata));
+ platform_device_register_data(&platform_bus, "gpio-keys", -1,
+ &ape6evm_keys_pdata,
+ sizeof(ape6evm_keys_pdata));
}
static const char *ape6evm_boards_compat_dt[] __initdata = {