diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 9f9e48511836..7cad65a28f25 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -74,9 +74,8 @@ cpu1: cpu@1 {
 			next-level-cache = <&L2_CA15>;
 		};
 
-		L2_CA15: cache-controller@0 {
+		L2_CA15: cache-controller-0 {
 			compatible = "cache";
-			reg = <0>;
 			power-domains = <&sysc R8A7791_PD_CA15_SCU>;
 			cache-unified;
 			cache-level = <2>;