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path: root/target/linux/brcm63xx/patches-2.6.33/100-reset_buttons.patch
blob: aa5264d8459d023d4056d8a601ca41210bdf3681 (plain)
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--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -15,6 +15,8 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/ssb/ssb.h>
+#include <linux/gpio_buttons.h>
+#include <linux/input.h>
 #include <asm/addrspace.h>
 #include <bcm63xx_board.h>
 #include <bcm63xx_cpu.h>
@@ -288,6 +290,16 @@ static struct board_info __initdata boar
 			.active_low	= 1,
 		},
 	},
+	.reset_buttons = {
+		{
+			.desc		= "reset",
+			.gpio		= 32,
+			.active_low	= 1,
+			.type		= EV_KEY,
+			.code		= KEY_RESTART,
+			.threshold	= 3,
+		},
+	},
 };
 
 static struct board_info __initdata board_96348gw = {
@@ -345,6 +357,16 @@ static struct board_info __initdata boar
 			.active_low	= 1,
 		},
 	},
+	.reset_buttons = {
+		{
+			.desc		= "reset",
+			.gpio		= 36,
+			.active_low	= 1,
+			.type		= EV_KEY,
+			.code		= KEY_RESTART,
+			.threshold	= 3,
+		},
+	},
 };
 
 static struct board_info __initdata board_FAST2404 = {
@@ -770,12 +792,23 @@ static struct platform_device bcm63xx_gp
 	.dev.platform_data	= &bcm63xx_led_data,
 };
 
+static struct gpio_buttons_platform_data bcm63xx_gpio_buttons_data = {
+	.poll_interval  = 20,
+};
+
+static struct platform_device bcm63xx_gpio_buttons_device = {
+	.name		= "gpio-buttons",
+	.id		= 0,
+	.dev.platform_data = &bcm63xx_gpio_buttons_data,
+};
+
 /*
  * third stage init callback, register all board devices.
  */
 int __init board_register_devices(void)
 {
 	u32 val;
+	int button_count = 0;
 
 	if (board.has_pccard)
 		bcm63xx_pcmcia_register();
@@ -825,6 +858,17 @@ 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.reset_buttons) && board.reset_buttons[button_count].desc)
+		button_count++;
+
+	if (button_count) {
+		bcm63xx_gpio_buttons_data.nbuttons = button_count;
+		bcm63xx_gpio_buttons_data.buttons = board.reset_buttons;
+
+		platform_device_register(&bcm63xx_gpio_buttons_device);
+	}
+
 	return 0;
 }
 
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -55,6 +55,9 @@ struct board_info {
 
 	/* GPIO LEDs */
 	struct gpio_led leds[5];
+
+	/* Reset button */
+	struct gpio_button reset_buttons[2];
 };
 
 #endif /* ! BOARD_BCM963XX_H_ */