rk29sdk: add poweroff support

diff --git a/arch/arm/mach-rk29/board-rk29sdk.c b/arch/arm/mach-rk29/board-rk29sdk.c
index c56d250d023cb14d51102816031cfffa102ae4dd..2760eda41e30e3b8cca287d3f15706853ad596c3 100755 (executable)
--- a/arch/arm/mach-rk29/board-rk29sdk.c
+++ b/arch/arm/mach-rk29/board-rk29sdk.c
@@ -1574,13 +1574,23 @@ static void __init machine_rk29_init_irq(void)
        rk29_gpio_init(rk29_gpiobankinit, MAX_BANK);
        rk29_gpio_irq_setup();
 }
+
 #define POWER_ON_PIN RK29_PIN4_PA4
+static void rk29_pm_power_off(void)
+{
+       printk(KERN_ERR "rk29_pm_power_off start...\n");
+       gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
+       while (1);
+}
+
 static void __init machine_rk29_board_init(void)
 {
        rk29_board_iomux_init();
+
        gpio_request(POWER_ON_PIN,"poweronpin");
        gpio_set_value(POWER_ON_PIN, GPIO_HIGH);
        gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
+       pm_power_off = rk29_pm_power_off;
 
 #ifdef CONFIG_WIFI_CONTROL_FUNC
                 rk29sdk_wifi_bt_gpio_control_init();