diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 5dff176590d541ffeea292eab585d592409f7d5d..0118956cc6e0499105a90ef80136b693352aa741 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -316,6 +316,8 @@ gpio7: gpio@e6055800 {
 		};
 
 		intc_ex: interrupt-controller@e61c0000 {
+			#interrupt-cells = <2>;
+			interrupt-controller;
 			reg = <0 0xe61c0000 0 0x200>;
 			/* placeholder */
 		};