ar71xx: Arduino Yun board 'WLAN RST' button support

This patch adds support for Arduino Yun board "WLAN RST" button.

Signed-off-by: Hirokazu MORIKAWA <morikw2@gmail.com>
SVN-Revision: 48983

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
index d55d542c99dbd35dc7a4bf321812a0613b3ab795..5873248edf2cc808629d3589170e28aed2675574 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
@@ -60,6 +60,17 @@ static struct gpio_led ds_leds_gpio[] __initdata = {
        },
 };
 
+static struct gpio_keys_button ds_gpio_keys[] __initdata = {
+       {
+               .desc           = "configuration button",
+               .type           = EV_KEY,
+               .code           = KEY_WPS_BUTTON,
+               .debounce_interval = DS_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = DS_GPIO_CONF_BTN,
+               .active_low     = 1,
+       },
+};
+
 static void __init ds_common_setup(void)
 {
        static u8 mac[6];
@@ -97,8 +108,18 @@ static void __init ds_setup(void)
 
        ath79_register_leds_gpio(-1, ARRAY_SIZE(ds_leds_gpio),
                                 ds_leds_gpio);
+       ath79_register_gpio_keys_polled(-1, DS_KEYS_POLL_INTERVAL,
+                                       ARRAY_SIZE(ds_gpio_keys),
+                                       ds_gpio_keys);
        ath79_register_usb();
 
+       /* use the swtich_led directly form sysfs */
+       ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+                                                               AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+                                                               AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+                                                               AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+                                                               AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
+
        //Disable the Function for some pins to have GPIO functionality active
        // GPIO6-7-8 and GPIO11
        ath79_gpio_function_setup(AR933X_GPIO_FUNC_JTAG_DISABLE | AR933X_GPIO_FUNC_I2S_MCK_EN, 0);