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Diffstat (limited to 'arch/mips/ath79/mach-pb44.c')
-rw-r--r--arch/mips/ath79/mach-pb44.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/ath79/mach-pb44.c b/arch/mips/ath79/mach-pb44.c
index e176779af660..3dc5080185cb 100644
--- a/arch/mips/ath79/mach-pb44.c
+++ b/arch/mips/ath79/mach-pb44.c
@@ -15,15 +15,21 @@
#include <linux/i2c/pcf857x.h>
#include "machtypes.h"
+#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#define PB44_GPIO_I2C_SCL 0
#define PB44_GPIO_I2C_SDA 1
#define PB44_GPIO_EXP_BASE 16
+#define PB44_GPIO_SW_RESET (PB44_GPIO_EXP_BASE + 6)
+#define PB44_GPIO_SW_JUMP (PB44_GPIO_EXP_BASE + 8)
#define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + 9)
#define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + 10)
+#define PB44_KEYS_POLL_INTERVAL 20 /* msecs */
+#define PB44_KEYS_DEBOUNCE_INTERVAL (3 * PB44_KEYS_POLL_INTERVAL)
+
static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
.sda_pin = PB44_GPIO_I2C_SDA,
.scl_pin = PB44_GPIO_I2C_SCL,
@@ -60,6 +66,24 @@ static struct gpio_led pb44_leds_gpio[] __initdata = {
},
};
+static struct gpio_keys_button pb44_gpio_keys[] __initdata = {
+ {
+ .desc = "soft_reset",
+ .type = EV_KEY,
+ .code = KEY_RESTART,
+ .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = PB44_GPIO_SW_RESET,
+ .active_low = 1,
+ } , {
+ .desc = "jumpstart",
+ .type = EV_KEY,
+ .code = KEY_WPS_BUTTON,
+ .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = PB44_GPIO_SW_JUMP,
+ .active_low = 1,
+ }
+};
+
static void __init pb44_init(void)
{
i2c_register_board_info(0, pb44_i2c_board_info,
@@ -68,6 +92,9 @@ static void __init pb44_init(void)
ath79_register_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
pb44_leds_gpio);
+ ath79_register_gpio_keys_polled(-1, PB44_KEYS_POLL_INTERVAL,
+ ARRAY_SIZE(pb44_gpio_keys),
+ pb44_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board",