[PATCH] ARM: dts: imx6sx-sabreauto: add debug LED support

Anson Huang Anson.Huang at nxp.com
Thu Apr 26 23:58:08 PDT 2018


There is a debug LED(D11) connected to GPIO1_IO24, add
support for it.

Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
---
this patch is based on patch series (ARM: dts: imx6sx-sabreauto: add wdog external reset support).
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index eb1452c..6b94f24 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -18,6 +18,18 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_led>;
+
+		user {
+			label = "debug";
+			gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
 	regulators {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -119,6 +131,12 @@
 &iomuxc {
 	imx6x-sabreauto {
 
+		pinctrl_led: ledgrp {
+			fsl,pins = <
+				MX6SX_PAD_CSI_PIXCLK__GPIO1_IO_24 0x17059
+			>;
+		};
+
 		pinctrl_enet1_1: enet1grp-1 {
 			fsl,pins = <
 				MX6SX_PAD_ENET1_MDIO__ENET1_MDIO        0xa0b1
-- 
2.7.4




More information about the linux-arm-kernel mailing list