| From 5abcb2fab84d9514f3a009d65ed997e1af986955 Mon Sep 17 00:00:00 2001 |
| From: Simon Horman <horms+renesas@verge.net.au> |
| Date: Tue, 30 Jul 2013 10:59:00 +0900 |
| Subject: 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> |
| (cherry picked from commit 5c6db1a421c6ceef199a956c7e0c1244ea6dfef7) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| arch/arm/mach-shmobile/board-ape6evm.c | 23 +++++++++++++++++++++++ |
| 1 file changed, 23 insertions(+) |
| |
| diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c |
| index 7f3d85bc..19394286 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 = { |
| -- |
| 1.8.4.3.gca3854a |
| |