diff --git a/arch/arm/boot/dts/r8a7779-marzen-reference.dts b/arch/arm/boot/dts/r8a7779-marzen-reference.dts
index 6d5508392252..ab4110aa3c3b 100644
--- a/arch/arm/boot/dts/r8a7779-marzen-reference.dts
+++ b/arch/arm/boot/dts/r8a7779-marzen-reference.dts
@@ -42,8 +42,8 @@
 		pinctrl-names = "default";
 
 		phy-mode = "mii";
-		interrupt-parent = <&gic>;
-		interrupts = <0 28 0x4>;
+		interrupt-parent = <&irqpin0>;
+		interrupts = <1 0>; /* IRQ1: hwirq 1 on irqpin0 */
 		reg-io-width = <4>;
 		vddvario-supply = <&fixedregulator3v3>;
 		vdd33a-supply = <&fixedregulator3v3>;
@@ -63,6 +63,10 @@
 	};
 };
 
+&irqpin0 {
+	status = "okay";
+};
+
 &pfc {
 	pinctrl-0 = <&scif2_pins &scif4_pins &sdhi0_pins>;
 	pinctrl-names = "default";