diff --git a/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi b/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi
index b8bf06b51235..6af5f3bca2d1 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi
@@ -31,6 +31,7 @@ L3_CA55: cache-controller-0 {
 			compatible = "cache";
 			cache-unified;
 			cache-size = <0x40000>;
+			cache-level = <3>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
index c606d9ef5991..d18ebd2ffa3e 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
@@ -109,6 +109,7 @@ L3_CA55: cache-controller-0 {
 			compatible = "cache";
 			cache-unified;
 			cache-size = <0x40000>;
+			cache-level = <3>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
index 7c7bbe377699..a36f33376ae3 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
@@ -109,6 +109,7 @@ L3_CA55: cache-controller-0 {
 			compatible = "cache";
 			cache-unified;
 			cache-size = <0x40000>;
+			cache-level = <3>;
 		};
 	};