diff options
| -rw-r--r-- | arch/arm/mach-orion5x/dns323-setup.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c index 8f159db4d08..421b82f7c63 100644 --- a/arch/arm/mach-orion5x/dns323-setup.c +++ b/arch/arm/mach-orion5x/dns323-setup.c @@ -34,7 +34,8 @@ #define DNS323_GPIO_LED_RIGHT_AMBER 1 #define DNS323_GPIO_LED_LEFT_AMBER 2 #define DNS323_GPIO_SYSTEM_UP 3 -#define DNS323_GPIO_LED_POWER 5 +#define DNS323_GPIO_LED_POWER1 4 +#define DNS323_GPIO_LED_POWER2 5 #define DNS323_GPIO_OVERTEMP 6 #define DNS323_GPIO_RTC 7 #define DNS323_GPIO_POWER_OFF 8 @@ -237,11 +238,31 @@ error_fail: * GPIO LEDs (simple - doesn't use hardware blinking support) */ +#define ORION_BLINK_HALF_PERIOD 100 /* ms */ + +static int dns323_gpio_blink_set(unsigned gpio, + unsigned long *delay_on, unsigned long *delay_off) +{ + static int value = 0; + + if (!*delay_on && !*delay_off) + *delay_on = *delay_off = ORION_BLINK_HALF_PERIOD; + + if (ORION_BLINK_HALF_PERIOD == *delay_on + && ORION_BLINK_HALF_PERIOD == *delay_off) { + value = !value; + orion_gpio_set_blink(gpio, value); + return 0; + } + + return -EINVAL; +} + static struct gpio_led dns323_leds[] = { { .name = "power:blue", - .gpio = DNS323_GPIO_LED_POWER, - .default_state = LEDS_GPIO_DEFSTATE_ON, + .gpio = DNS323_GPIO_LED_POWER2, + .default_trigger = "timer", }, { .name = "right:amber", .gpio = DNS323_GPIO_LED_RIGHT_AMBER, @@ -256,6 +277,7 @@ static struct gpio_led dns323_leds[] = { static struct gpio_led_platform_data dns323_led_data = { .num_leds = ARRAY_SIZE(dns323_leds), .leds = dns323_leds, + .gpio_blink_set = dns323_gpio_blink_set, }; static struct platform_device dns323_gpio_leds = { @@ -412,6 +434,14 @@ static void __init dns323_init(void) orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE); platform_device_register(&dns323_nor_flash); + /* The 5181 power LED is active low and requires + * DNS323_GPIO_LED_POWER1 to also be low. + */ + if (dns323_dev_id() == MV88F5181_DEV_ID) { + dns323_leds[0].active_low = 1; + gpio_direction_output(DNS323_GPIO_LED_POWER1, 0); + } + platform_device_register(&dns323_gpio_leds); platform_device_register(&dns323_button_device); |