openwrt-xburst/target/linux/brcm63xx/patches-3.3/300-reset_buttons.patch

--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -12,6 +12,8 @@
 #include <linux/string.h>
 #include <linux/platform_device.h>
 #include <linux/ssb/ssb.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 #include <asm/addrspace.h>
 #include <bcm63xx_board.h>
 #include <bcm63xx_cpu.h>
@@ -28,6 +30,9 @@
 
 #define PFX	"board_bcm963xx: "
 
+#define BCM963XX_KEYS_POLL_INTERVAL		20
+#define BCM963XX_KEYS_DEBOUNCE_INTERVAL	(BCM963XX_KEYS_POLL_INTERVAL * 3)
+
 static struct bcm963xx_nvram nvram;
 static unsigned int mac_addr_used;
 static struct board_info board;
@@ -293,6 +298,16 @@ static struct board_info __initdata boar
 			.active_low	= 1,
 		},
 	},
+	.buttons = {
+		{
+			.desc		= "reset",
+			.gpio		= 33,
+			.active_low	= 1,
+			.type		= EV_KEY,
+			.code		= KEY_RESTART,
+			.debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL,
+		},
+	},
 };
 
 static struct board_info __initdata board_96348gw = {
@@ -351,6 +366,16 @@ static struct board_info __initdata boar
 			.active_low	= 1,
 		},
 	},
+	.buttons = {
+		{
+			.desc		= "reset",
+			.gpio		= 36,
+			.active_low	= 1,
+			.type		= EV_KEY,
+			.code		= KEY_RESTART,
+			.debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL,
+		},
+	},
 };
 
 static struct board_info __initdata board_FAST2404 = {
@@ -821,11 +846,23 @@ static struct platform_device bcm63xx_gp
 	.dev.platform_data	= &bcm63xx_led_data,
 };
 
+static struct gpio_keys_platform_data bcm63xx_gpio_keys_data = {
+	.poll_interval  = BCM963XX_KEYS_POLL_INTERVAL,
+};
+
+static struct platform_device bcm63xx_gpio_keys_device = {
+	.name		= "gpio-keys-polled",
+	.id		= 0,
+	.dev.platform_data = &bcm63xx_gpio_keys_data,
+};
+
 /*
  * third stage init callback, register all board devices.
  */
 int __init board_register_devices(void)
 {
+	int button_count = 0;
+
 	if (board.has_uart0)
 		bcm63xx_uart_register(0);
 
@@ -868,5 +905,16 @@ int __init board_register_devices(void)
 
 	platform_device_register(&bcm63xx_gpio_leds);
 
+	/* count number of BUTTONs defined by this device */
+	while (button_count < ARRAY_SIZE(board.buttons) && board.buttons[button_count].desc)
+		button_count++;
+
+	if (button_count) {
+		bcm63xx_gpio_keys_data.nbuttons = button_count;
+		bcm63xx_gpio_keys_data.buttons = board.buttons;
+
+		platform_device_register(&bcm63xx_gpio_keys_device);
+	}
+
 	return 0;
 }
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -3,6 +3,7 @@
 
 #include <linux/types.h>
 #include <linux/gpio.h>
+#include <linux/gpio_keys.h>
 #include <linux/leds.h>
 #include <bcm63xx_dev_enet.h>
 #include <bcm63xx_dev_dsp.h>
@@ -57,6 +58,9 @@ struct board_info {
 
 	/* GPIO LEDs */
 	struct gpio_led leds[5];
+
+	/* Buttons */
+	struct gpio_keys_button buttons[4];
 };
 
 #endif /* ! BOARD_BCM963XX_H_ */