diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
index 7beb1ce99d58..b8c9a56562f2 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -234,6 +234,22 @@ sysc: system-controller@e6180000 {
 			#power-domain-cells = <1>;
 		};
 
+		intc_ex: interrupt-controller@e61c0000 {
+			compatible = "renesas,intc-ex-r8a77980", "renesas,irqc";
+			#interrupt-cells = <2>;
+			interrupt-controller;
+			reg = <0 0xe61c0000 0 0x200>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 407>;
+			power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
+			resets = <&cpg 407>;
+		};
+
 		i2c0: i2c@e6500000 {
 			compatible = "renesas,i2c-r8a77980",
 				     "renesas,rcar-gen3-i2c";