diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index 3c73ee477915..91b501e0121e 100644
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -560,10 +560,19 @@ tsc: thermal@e6198000 {
 		};
 
 		intc_ex: interrupt-controller@e61c0000 {
+			compatible = "renesas,intc-ex-r8a77961", "renesas,irqc";
 			#interrupt-cells = <2>;
 			interrupt-controller;
 			reg = <0 0xe61c0000 0 0x200>;
-			/* placeholder */
+			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 R8A77961_PD_ALWAYS_ON>;
+			resets = <&cpg 407>;
 		};
 
 		tmu0: timer@e61e0000 {