From cce18a947967ed028e5301bce84cbaff395489a6 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Wed, 9 Mar 2011 18:08:06 -0600 Subject: OMAP: Add gpio-keys support for Overo This patch adds support for the standard push buttons available on Overo expansion boards. Signed-off-by: Steve Sakoman Acked-by: Tony Lindgren Signed-off-by: Tomi Valkeinen --- arch/arm/mach-omap2/board-overo.c | 42 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index e694ebd2636c..1e17061649e5 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -519,6 +519,47 @@ static void __init overo_init_led(void) static inline void __init overo_init_led(void) { return; } #endif +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +#include +#include + +static struct gpio_keys_button gpio_buttons[] = { + { + .code = BTN_0, + .gpio = 23, + .desc = "button0", + .wakeup = 1, + }, + { + .code = BTN_1, + .gpio = 14, + .desc = "button1", + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data gpio_keys_pdata = { + .buttons = gpio_buttons, + .nbuttons = ARRAY_SIZE(gpio_buttons), +}; + +static struct platform_device gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &gpio_keys_pdata, + }, +}; + +static void __init overo_init_keys(void) +{ + platform_device_register(&gpio_keys_device); +} + +#else +static inline void __init overo_init_keys(void) { return; } +#endif + static int overo_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { @@ -701,6 +742,7 @@ static void __init overo_init(void) overo_init_smsc911x(); overo_display_init(); overo_init_led(); + overo_init_keys(); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); -- cgit v1.2.3