diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index 0f65a813bd44..097e9f252235 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -536,6 +536,7 @@ cpu3: cpu@3 {
 		 */
 		l2: l2-cache0 {
 			compatible = "cache";
+			cache-unified;
 			cache-size = <0x100000>;
 			cache-line-size = <64>;
 			cache-sets = <1024>; // 1MiB(size)/64(line-size)=16384ways/16-way set
diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
index 50aee663ddfc..783fe624ba68 100644
--- a/arch/arm/boot/dts/bcm2836.dtsi
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -112,6 +112,7 @@ v7_cpu3: cpu@3 {
 		 */
 		l2: l2-cache0 {
 			compatible = "cache";
+			cache-unified;
 			cache-size = <0x80000>;
 			cache-line-size = <64>;
 			cache-sets = <1024>; // 512KiB(size)/64(line-size)=8192ways/8-way set
diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
index 58b3efe483c3..84c08b46519d 100644
--- a/arch/arm/boot/dts/bcm2837.dtsi
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -114,6 +114,7 @@ cpu3: cpu@3 {
 		 */
 		l2: l2-cache0 {
 			compatible = "cache";
+			cache-unified;
 			cache-size = <0x80000>;
 			cache-line-size = <64>;
 			cache-sets = <512>; // 512KiB(size)/64(line-size)=8192ways/16-way set
diff --git a/arch/arm/boot/dts/bcm47622.dtsi b/arch/arm/boot/dts/bcm47622.dtsi
index 2df04528af82..f4b2db9bc4ab 100644
--- a/arch/arm/boot/dts/bcm47622.dtsi
+++ b/arch/arm/boot/dts/bcm47622.dtsi
@@ -51,6 +51,7 @@ CA7_3: cpu@3 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm63148.dtsi b/arch/arm/boot/dts/bcm63148.dtsi
index df5307b6b3af..7cd55d64de71 100644
--- a/arch/arm/boot/dts/bcm63148.dtsi
+++ b/arch/arm/boot/dts/bcm63148.dtsi
@@ -35,6 +35,7 @@ B15_1: cpu@1 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm63178.dtsi b/arch/arm/boot/dts/bcm63178.dtsi
index cbd094dde6d0..043e699cbc27 100644
--- a/arch/arm/boot/dts/bcm63178.dtsi
+++ b/arch/arm/boot/dts/bcm63178.dtsi
@@ -43,6 +43,7 @@ CA7_2: cpu@2 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm6756.dtsi b/arch/arm/boot/dts/bcm6756.dtsi
index ce1b59faf800..5c72219bc194 100644
--- a/arch/arm/boot/dts/bcm6756.dtsi
+++ b/arch/arm/boot/dts/bcm6756.dtsi
@@ -51,6 +51,7 @@ CA7_3: cpu@3 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm6846.dtsi b/arch/arm/boot/dts/bcm6846.dtsi
index 8aa47a2583b2..81513a793815 100644
--- a/arch/arm/boot/dts/bcm6846.dtsi
+++ b/arch/arm/boot/dts/bcm6846.dtsi
@@ -35,6 +35,7 @@ CA7_1: cpu@1 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm6855.dtsi b/arch/arm/boot/dts/bcm6855.dtsi
index 620f51aee1a2..5fa5feac0e29 100644
--- a/arch/arm/boot/dts/bcm6855.dtsi
+++ b/arch/arm/boot/dts/bcm6855.dtsi
@@ -43,6 +43,7 @@ CA7_2: cpu@2 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm6878.dtsi b/arch/arm/boot/dts/bcm6878.dtsi
index 1e8b5fa96c25..4ec836ac4baf 100644
--- a/arch/arm/boot/dts/bcm6878.dtsi
+++ b/arch/arm/boot/dts/bcm6878.dtsi
@@ -35,6 +35,7 @@ CA7_1: cpu@1 {
 
 		L2_0: l2-cache0 {
 			compatible = "cache";
+			cache-level = <2>;
 		};
 	};