ARM: sun7i: a20-olinuxino: Enable the user LED

The A20-olinuxino Micro has a LED connected to the PH2 pin. Use the
gpio-led driver to enable the control over this LED.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 4d988df1a49c..34a6c02a7c72 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -19,6 +19,15 @@
         compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
 
         soc@01c00000 {
+                pinctrl@01c20800 {
+                        led_pins_olinuxino: led_pins@0 {
+                                allwinner,pins = "PH2";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <1>;
+                                allwinner,pull = <0>;
+                        };
+                };
+
                 uart0: serial@01c28000 {
                         pinctrl-names = "default";
                         pinctrl-0 = <&uart0_pins_a>;
@@ -37,4 +46,16 @@
                         status = "okay";
                 };
         };
+
+        leds {
+                compatible = "gpio-leds";
+                pinctrl-names = "default";
+                pinctrl-0 = <&led_pins_olinuxino>;
+
+                green {
+                        label = "a20-olinuxino-micro:green:usr";
+                        gpios = <&pio 7 2 0>;
+                        default-state = "on";
+                };
+        };
 };