| From 852b86057d2738bbc6ce5717f9b2204b88d8ae72 Mon Sep 17 00:00:00 2001 |
| From: Magnus Damm <damm@opensource.se> |
| Date: Tue, 8 Oct 2013 12:40:08 +0900 |
| Subject: 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> |
| (cherry picked from commit 721319d1ab8bb854ad4befc3ac70b7401d2d7dab) |
| (Queued by Simon Horman for v3.14 but not yet in Linus's tree) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| arch/arm/mach-shmobile/board-koelsch.c | 22 ++++++++++++++++++++++ |
| 1 file changed, 22 insertions(+) |
| |
| 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 = { |
| -- |
| 1.8.5.rc3 |
| |