ARM: socfpga: socrates: add gpio-leds

The SOCrates has three HPS LEDs that can be turned on/off via gpio.
Use the first one has heartbeat and add the other two as free LEDs.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>

diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
index a81f33d..019dd2f 100644 (file)
--- a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
+++ b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
@@ -30,6 +30,9 @@
                device_type = "memory";
                reg = <0x0 0x40000000>; /* 1GB */
        };
+
+       leds: gpio-leds {
+       };
 };
 
 &gmac1 {
@@ -53,6 +56,26 @@
        };
 };
 
+&leds {
+       compatible = "gpio-leds";
+
+       led@0 {
+               label = "led:green:heartbeat";
+               gpios = <&porta 28 1>;
+               linux,default-trigger = "heartbeat";
+       };
+
+       led@1 {
+               label = "led:green:D7";
+               gpios = <&portb 19 1>;
+       };
+
+       led@2 {
+               label = "led:green:D8";
+               gpios = <&portb 25 1>;
+       };
+};
+
 &mmc {
        status = "okay";
 };