diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi
index cfcd200b0c17..7d6babdab039 100644
--- a/arch/arm/boot/dts/sama5d3xcm.dtsi
+++ b/arch/arm/boot/dts/sama5d3xcm.dtsi
@@ -122,6 +122,7 @@ leds {
 		d2 {
 			label = "d2";
 			gpios = <&pioE 25 GPIO_ACTIVE_LOW>;	/* PE25, conflicts with A25, RXD2 */
+			linux,default-trigger = "heartbeat";
 		};
 	};
 };