[PATCH] Add GPIO system button to MTX-1
From: Florian Fainelli <hidden>
Date: 2008-01-07 18:03:56
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
This patch adds support for the GPIO connected system button on the MTX-1 boards. Default configuration is updated accordingly. Signed-off-by: Florian Fainelli <redacted> ---
diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c
index 49c0fb4..ce8637b 100644
--- a/arch/mips/au1000/mtx-1/platform.c
+++ b/arch/mips/au1000/mtx-1/platform.c@@ -22,9 +22,32 @@ #include <linux/types.h> #include <linux/platform_device.h> #include <linux/leds.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> #include <asm/gpio.h> +static struct gpio_keys_button mtx1_gpio_button[] = { + { + .gpio = 207, + .code = BTN_0, + .desc = "System button", + } +}; + +static struct gpio_keys_platform_data mtx1_buttons_data = { + .buttons = mtx1_gpio_button, + .nbuttons = ARRAY_SIZE(mtx1_gpio_button), +}; + +static struct platform_device mtx1_button = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &mtx1_buttons_data, + } +}; + static struct resource mtx1_wdt_res[] = { [0] = { .start = 15,
@@ -66,11 +89,13 @@ static struct platform_device mtx1_gpio_leds = { static struct __initdata platform_device * mtx1_devs[] = { &mtx1_gpio_leds, - &mtx1_wdt + &mtx1_wdt, + &mtx1_button }; static int __init mtx1_register_devices(void) { + gpio_direction_input(207); return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs)); }
diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
index b536d7c..c20b560 100644
--- a/arch/mips/configs/mtx1_defconfig
+++ b/arch/mips/configs/mtx1_defconfig@@ -1617,6 +1617,7 @@ CONFIG_INPUT_EVBUG=m # CONFIG_INPUT_KEYBOARD=y CONFIG_KEYBOARD_ATKBD=y +CONFIG_KEYBOARD_GPIO=y CONFIG_KEYBOARD_SUNKBD=m CONFIG_KEYBOARD_LKKBD=m CONFIG_KEYBOARD_XTKBD=m