diff options
| author | Marc Dietrich <marvin24@gmx.de> | 2011-11-01 14:37:03 +0400 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2011-12-08 09:13:47 +0400 |
| commit | c1c374d58c5678fd2364c767f4281342e5362b29 (patch) | |
| tree | af411e7b26460b7813c2ed6a5227c4a6312eeac7 | |
| parent | 5611cc4572e889b62a7b4c72a413536bf6a9c416 (diff) | |
| download | linux-c1c374d58c5678fd2364c767f4281342e5362b29.tar.xz | |
ARM: tegra: paz00: add support for wakeup gpio key
This adds support for a wakeup gpio which is connected to the
embedded controller. This will be used later on for wakeup from suspend.
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
| -rw-r--r-- | arch/arm/mach-tegra/board-paz00.c | 27 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-paz00.h | 3 |
2 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c index 55c55ba89f1e..799e4201ecf3 100644 --- a/arch/arm/mach-tegra/board-paz00.c +++ b/arch/arm/mach-tegra/board-paz00.c @@ -23,8 +23,10 @@ #include <linux/serial_8250.h> #include <linux/clk.h> #include <linux/dma-mapping.h> +#include <linux/gpio_keys.h> #include <linux/pda_power.h> #include <linux/io.h> +#include <linux/input.h> #include <linux/i2c.h> #include <linux/gpio.h> #include <linux/rfkill-gpio.h> @@ -114,12 +116,37 @@ static struct platform_device leds_gpio = { }, }; +static struct gpio_keys_button paz00_gpio_keys_buttons[] = { + { + .code = KEY_POWER, + .gpio = TEGRA_GPIO_POWERKEY, + .active_low = 1, + .desc = "Power", + .type = EV_KEY, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data paz00_gpio_keys = { + .buttons = paz00_gpio_keys_buttons, + .nbuttons = ARRAY_SIZE(paz00_gpio_keys_buttons), +}; + +static struct platform_device gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &paz00_gpio_keys, + }, +}; + static struct platform_device *paz00_devices[] __initdata = { &debug_uart, &tegra_sdhci_device4, &tegra_sdhci_device1, &wifi_rfkill_device, &leds_gpio, + &gpio_keys_device, }; static void paz00_i2c_init(void) diff --git a/arch/arm/mach-tegra/board-paz00.h b/arch/arm/mach-tegra/board-paz00.h index 8aff06eb58c3..ffa83f580db6 100644 --- a/arch/arm/mach-tegra/board-paz00.h +++ b/arch/arm/mach-tegra/board-paz00.h @@ -32,6 +32,9 @@ #define TEGRA_WIFI_RST TEGRA_GPIO_PD1 #define TEGRA_WIFI_LED TEGRA_GPIO_PD0 +/* WakeUp */ +#define TEGRA_GPIO_POWERKEY TEGRA_GPIO_PJ7 + void paz00_pinmux_init(void); #endif |