diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 6d10450de6d7..20cf191e0852 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -129,17 +129,15 @@
 			next-level-cache = <&L2_CA7>;
 		};
 
-		L2_CA15: cache-controller@0 {
+		L2_CA15: cache-controller-0 {
 			compatible = "cache";
-			reg = <0>;
 			power-domains = <&sysc R8A7790_PD_CA15_SCU>;
 			cache-unified;
 			cache-level = <2>;
 		};
 
-		L2_CA7: cache-controller@100 {
+		L2_CA7: cache-controller-1 {
 			compatible = "cache";
-			reg = <0x100>;
 			power-domains = <&sysc R8A7790_PD_CA7_SCU>;
 			cache-unified;
 			cache-level = <2>;