diff --git a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
index 54474ba18f5f..a268617587ea 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
@@ -23,6 +23,14 @@ a55_0: cpu@0 {
 			reg = <0>;
 			device_type = "cpu";
 			power-domains = <&sysc R8A779F0_PD_A1E0D0C0>;
+			next-level-cache = <&L3_CA55_0>;
+		};
+
+		L3_CA55_0: cache-controller-0 {
+			compatible = "cache";
+			power-domains = <&sysc R8A779F0_PD_A2E0D0>;
+			cache-unified;
+			cache-level = <3>;
 		};
 	};