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			117 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
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+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
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@@ -12,6 +12,8 @@
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 #include <linux/string.h>
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 #include <linux/platform_device.h>
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 #include <linux/ssb/ssb.h>
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+#include <linux/gpio_keys.h>
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+#include <linux/input.h>
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 #include <asm/addrspace.h>
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 #include <bcm63xx_board.h>
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 #include <bcm63xx_cpu.h>
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@@ -28,6 +30,9 @@
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 #define PFX	"board_bcm963xx: "
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+#define BCM963XX_KEYS_POLL_INTERVAL		20
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+#define BCM963XX_KEYS_DEBOUNCE_INTERVAL	(BCM963XX_KEYS_POLL_INTERVAL * 3)
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+
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 static struct bcm963xx_nvram nvram;
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 static unsigned int mac_addr_used;
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 static struct board_info board;
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@@ -335,6 +340,16 @@ static struct board_info __initdata boar
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 			.active_low	= 1,
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 		},
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 	},
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+	.buttons = {
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+		{
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+			.desc		= "reset",
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+			.gpio		= 33,
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+			.active_low	= 1,
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+			.type		= EV_KEY,
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+			.code		= KEY_RESTART,
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+			.debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL,
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+		},
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+	},
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 };
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 static struct board_info __initdata board_96348gw = {
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@@ -393,6 +408,16 @@ static struct board_info __initdata boar
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 			.active_low	= 1,
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 		},
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 	},
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+	.buttons = {
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+		{
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+			.desc		= "reset",
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+			.gpio		= 36,
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+			.active_low	= 1,
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+			.type		= EV_KEY,
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+			.code		= KEY_RESTART,
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+			.debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL,
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+		},
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+	},
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 };
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 static struct board_info __initdata board_FAST2404 = {
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@@ -866,11 +891,23 @@ static struct platform_device bcm63xx_gp
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 	.dev.platform_data	= &bcm63xx_led_data,
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 };
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+static struct gpio_keys_platform_data bcm63xx_gpio_keys_data = {
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+	.poll_interval  = BCM963XX_KEYS_POLL_INTERVAL,
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+};
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+
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+static struct platform_device bcm63xx_gpio_keys_device = {
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+	.name		= "gpio-keys-polled",
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+	.id		= 0,
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+	.dev.platform_data = &bcm63xx_gpio_keys_data,
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+};
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+
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 /*
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  * third stage init callback, register all board devices.
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  */
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 int __init board_register_devices(void)
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 {
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+	int button_count = 0;
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+
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 	if (board.has_uart0)
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 		bcm63xx_uart_register(0);
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@@ -913,5 +950,16 @@ int __init board_register_devices(void)
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 	platform_device_register(&bcm63xx_gpio_leds);
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+	/* count number of BUTTONs defined by this device */
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+	while (button_count < ARRAY_SIZE(board.buttons) && board.buttons[button_count].desc)
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+		button_count++;
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+
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+	if (button_count) {
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+		bcm63xx_gpio_keys_data.nbuttons = button_count;
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+		bcm63xx_gpio_keys_data.buttons = board.buttons;
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+
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+		platform_device_register(&bcm63xx_gpio_keys_device);
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+	}
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+
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 	return 0;
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 }
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--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
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@@ -3,6 +3,7 @@
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 #include <linux/types.h>
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 #include <linux/gpio.h>
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+#include <linux/gpio_keys.h>
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 #include <linux/leds.h>
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 #include <bcm63xx_dev_enet.h>
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 #include <bcm63xx_dev_dsp.h>
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@@ -57,6 +58,9 @@ struct board_info {
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 	/* GPIO LEDs */
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 	struct gpio_led leds[5];
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+
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+	/* Buttons */
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+	struct gpio_keys_button buttons[4];
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 };
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 #endif /* ! BOARD_BCM963XX_H_ */
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