diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index 19c1f7cea913..46580290b7fb 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -27,9 +27,8 @@ a53_0: cpu@0 {
 			enable-method = "psci";
 		};
 
-		L2_CA53: cache-controller@0 {
+		L2_CA53: cache-controller-0 {
 			compatible = "cache";
-			reg = <0>;
 			power-domains = <&sysc 21>;
 			cache-unified;
 			cache-level = <2>;