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--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -10,6 +10,8 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
@@ -26,6 +28,9 @@
#define HCS_OFFSET_128K 0x20000
+#define BCM963XX_KEYS_POLL_INTERVAL 20
+#define BCM963XX_KEYS_DEBOUNCE_INTERVAL (BCM963XX_KEYS_POLL_INTERVAL * 3)
+
/*
* known 3368 boards
*/
--- a/arch/mips/bcm63xx/boards/board_common.c
+++ b/arch/mips/bcm63xx/boards/board_common.c
@@ -12,6 +12,7 @@
#include <linux/string.h>
#include <linux/platform_device.h>
#include <linux/ssb/ssb.h>
+#include <linux/gpio_keys.h>
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
@@ -32,6 +33,8 @@
#define PFX "board: "
+#define BCM963XX_KEYS_POLL_INTERVAL 20
+
static struct board_info board;
/*
@@ -151,11 +154,23 @@ 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);
@@ -217,5 +232,16 @@ int __init board_register_devices(void)
gpio_request_one(board.ephy_reset_gpio,
board.ephy_reset_gpio_flags, "ephy-reset");
+ /* 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_usb_usbd.h>
@@ -48,6 +49,9 @@ struct board_info {
/* GPIO LEDs */
struct gpio_led leds[5];
+ /* Buttons */
+ struct gpio_keys_button buttons[4];
+
/* External PHY reset GPIO */
unsigned int ephy_reset_gpio;
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