ARM64: zynqmp: Enable gpio-led as heartbeat on zcu102

Show user that Linux is alive on the board.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102.dts
index ab05713b8114f7ea84ebe7023e038b21b57e75bd..048d3c5880e526f2d14d8649e1ff3a022d6d75ed 100644 (file)
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102.dts
@@ -42,6 +42,15 @@
                device_type = "memory";
                reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>;
        };
+
+       leds {
+               compatible = "gpio-leds";
+               heartbeat_led {
+                       label = "heartbeat";
+                       gpios = <&gpio 23 0>;
+                       linux,default-trigger = "heartbeat";
+               };
+       };
 };
 
 &can1 {

diff --git a/arch/arm64/configs/xilinx_zynqmp_defconfig b/arch/arm64/configs/xilinx_zynqmp_defconfig
index 74c4683c50a8b9b86671e9d12b5c0474895f40f3..b54f923280b912f65e9d0b592fd1e8ad5e88c0de 100644 (file)
--- a/arch/arm64/configs/xilinx_zynqmp_defconfig
+++ b/arch/arm64/configs/xilinx_zynqmp_defconfig
@@ -206,6 +206,13 @@ CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_OF_ARASAN=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_EDAC=y
 CONFIG_EDAC_MM_EDAC=y
 CONFIG_EDAC_SYNOPSYS=y