sunxi: a10-cubieboard: Add user LEDs to the device tree

Cubieboard has two LEDs available for use, a blue one (labeled LED1)
and a green one (labeled LED2).

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
index 5cab825..88e2dc1 100644 (file)
--- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
+++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
@@ -27,6 +27,15 @@
        };
 
        soc {
+               pinctrl@01c20800 {
+                       led_pins_cubieboard: led_pins@0 {
+                               allwinner,pins = "PH20", "PH21";
+                               allwinner,function = "gpio_out";
+                               allwinner,drive = <1>;
+                               allwinner,pull = <0>;
+                       };
+               };
+
                uart0: uart@01c28000 {
                        status = "okay";
                };
@@ -35,4 +44,21 @@
                        status = "okay";
                };
        };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&led_pins_cubieboard>;
+
+               blue {
+                       label = "cubieboard::blue";
+                       gpios = <&pio 7 21 0>; /* LED1 */
+               };
+
+               green {
+                       label = "cubieboard::green";
+                       gpios = <&pio 7 20 0>; /* LED2 */
+                       linux,default-trigger = "heartbeat";
+               };
+       };
 };