ARM: dts: imx6sl-evk: Add debug LED support

GPIO3_20 is connected to a debug LED.

Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 3216edec46e9..889422cc2c24 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -8,6 +8,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include "imx6sl.dtsi"
 
@@ -19,6 +20,18 @@
                 reg = <0x80000000 0x40000000>;
         };
 
+        leds {
+                compatible = "gpio-leds";
+                pinctrl-names = "default";
+                pinctrl-0 = <&pinctrl_led>;
+
+                user {
+                        label = "debug";
+                        gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
+                        linux,default-trigger = "heartbeat";
+                };
+        };
+
         regulators {
                 compatible = "simple-bus";
                 #address-cells = <1>;
@@ -300,6 +313,12 @@
                         >;
                 };
 
+                pinctrl_led: ledgrp {
+                        fsl,pins = <
+                                MX6SL_PAD_HSIC_STROBE__GPIO3_IO20 0x17059
+                        >;
+                };
+
                 pinctrl_kpp: kppgrp {
                         fsl,pins = <
                                 MX6SL_PAD_KEY_ROW0__KEY_ROW0    0x1b010