diff options
| author | Alberto Panizzo <maramaopercheseimorto@gmail.com> | 2009-10-15 19:24:51 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-11-14 10:29:12 +0100 |
| commit | e33c049cb540602a2554264652e2c717ab7f5ec3 (patch) | |
| tree | e5c7136cd4baab9f3d964fb7829306b1d1a7b8c5 /arch/arm/mach-mx3 | |
| parent | 115b40c3d7d18d0cb48b4ba306807cc04f259316 (diff) | |
| download | lwn-e33c049cb540602a2554264652e2c717ab7f5ec3.tar.gz lwn-e33c049cb540602a2554264652e2c717ab7f5ec3.zip | |
Armadillo500 Add support for onboard GPIO Buttons.
There are two low active Buttons on boards.
This patch connect those to the Input Subsystem over gpio-keys driver.
Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
| -rw-r--r-- | arch/arm/mach-mx3/armadillo5x0.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c index 776c0ee1b3cd..309fa7abc099 100644 --- a/arch/arm/mach-mx3/armadillo5x0.c +++ b/arch/arm/mach-mx3/armadillo5x0.c @@ -33,6 +33,8 @@ #include <linux/irq.h> #include <linux/mtd/physmap.h> #include <linux/io.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -98,6 +100,36 @@ static int armadillo5x0_pins[] = { MX31_PIN_DRDY0__DRDY0, IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ }; +/* GPIO BUTTONS */ +static struct gpio_keys_button armadillo5x0_buttons[] = { + { + .code = KEY_ENTER, /*28*/ + .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0), + .active_low = 1, + .desc = "menu", + .wakeup = 1, + }, { + .code = KEY_BACK, /*158*/ + .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0), + .active_low = 1, + .desc = "back", + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data armadillo5x0_button_data = { + .buttons = armadillo5x0_buttons, + .nbuttons = ARRAY_SIZE(armadillo5x0_buttons), +}; + +static struct platform_device armadillo5x0_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &armadillo5x0_button_data, + } +}; /* * NAND Flash @@ -300,6 +332,7 @@ static struct imxuart_platform_data uart_pdata = { static struct platform_device *devices[] __initdata = { &armadillo5x0_smc911x_device, + &armadillo5x0_button_device, }; /* |