diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index a496e39e6204..5f6f30c801a7 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -186,7 +186,7 @@ smmu: iommu@2b400000 {
 	};
 
 	panel {
-		compatible = "arm,rtsm-display", "panel-dpi";
+		compatible = "arm,rtsm-display";
 		port {
 			panel_in: endpoint {
 				remote-endpoint = <&clcd_pads>;
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 065381c1cbf5..8d0d45d168d1 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -581,36 +581,36 @@ cti_sys0: cti@20020000 { /* sys_cti_0 */
 
 		trig-conns@0 {
 			reg = <0>;
-			arm,trig-in-sigs=<2 3>;
-			arm,trig-in-types=<SNK_FULL SNK_ACQCOMP>;
-			arm,trig-out-sigs=<0 1>;
-			arm,trig-out-types=<SNK_FLUSHIN SNK_TRIGIN>;
+			arm,trig-in-sigs = <2 3>;
+			arm,trig-in-types = <SNK_FULL SNK_ACQCOMP>;
+			arm,trig-out-sigs = <0 1>;
+			arm,trig-out-types = <SNK_FLUSHIN SNK_TRIGIN>;
 			arm,cs-dev-assoc = <&etr_sys>;
 		};
 
 		trig-conns@1 {
 			reg = <1>;
-			arm,trig-in-sigs=<0 1>;
-			arm,trig-in-types=<SNK_FULL SNK_ACQCOMP>;
-			arm,trig-out-sigs=<7 6>;
-			arm,trig-out-types=<SNK_FLUSHIN SNK_TRIGIN>;
+			arm,trig-in-sigs = <0 1>;
+			arm,trig-in-types = <SNK_FULL SNK_ACQCOMP>;
+			arm,trig-out-sigs = <7 6>;
+			arm,trig-out-types = <SNK_FLUSHIN SNK_TRIGIN>;
 			arm,cs-dev-assoc = <&etf_sys0>;
 		};
 
 		trig-conns@2 {
 			reg = <2>;
-			arm,trig-in-sigs=<4 5 6 7>;
-			arm,trig-in-types=<STM_TOUT_SPTE STM_TOUT_SW
+			arm,trig-in-sigs = <4 5 6 7>;
+			arm,trig-in-types = <STM_TOUT_SPTE STM_TOUT_SW
 					   STM_TOUT_HETE STM_ASYNCOUT>;
-			arm,trig-out-sigs=<4 5>;
-			arm,trig-out-types=<STM_HWEVENT STM_HWEVENT>;
+			arm,trig-out-sigs = <4 5>;
+			arm,trig-out-types = <STM_HWEVENT STM_HWEVENT>;
 			arm,cs-dev-assoc = <&stm_sys>;
 		};
 
 		trig-conns@3 {
 			reg = <3>;
-			arm,trig-out-sigs=<2 3>;
-			arm,trig-out-types=<SNK_FLUSHIN SNK_TRIGIN>;
+			arm,trig-out-sigs = <2 3>;
+			arm,trig-out-types = <SNK_FLUSHIN SNK_TRIGIN>;
 			arm,cs-dev-assoc = <&tpiu_sys>;
 		};
 	};
@@ -628,24 +628,24 @@ cti_sys1: cti@20110000 { /* sys_cti_1 */
 
 		trig-conns@0 {
 			reg = <0>;
-			arm,trig-in-sigs=<0>;
-			arm,trig-in-types=<GEN_INTREQ>;
-			arm,trig-out-sigs=<0>;
-			arm,trig-out-types=<GEN_HALTREQ>;
+			arm,trig-in-sigs = <0>;
+			arm,trig-in-types = <GEN_INTREQ>;
+			arm,trig-out-sigs = <0>;
+			arm,trig-out-types = <GEN_HALTREQ>;
 			arm,trig-conn-name = "sys_profiler";
 		};
 
 		trig-conns@1 {
 			reg = <1>;
-			arm,trig-out-sigs=<2 3>;
-			arm,trig-out-types=<GEN_HALTREQ GEN_RESTARTREQ>;
+			arm,trig-out-sigs = <2 3>;
+			arm,trig-out-types = <GEN_HALTREQ GEN_RESTARTREQ>;
 			arm,trig-conn-name = "watchdog";
 		};
 
 		trig-conns@2 {
 			reg = <2>;
-			arm,trig-out-sigs=<1 6>;
-			arm,trig-out-types=<GEN_HALTREQ GEN_RESTARTREQ>;
+			arm,trig-out-sigs = <1 6>;
+			arm,trig-out-types = <GEN_HALTREQ GEN_RESTARTREQ>;
 			arm,trig-conn-name = "g_counter";
 		};
 	};
diff --git a/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi b/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
index 2e43f4531308..ba88d1596f6f 100644
--- a/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
@@ -96,24 +96,24 @@ cti_sys2: cti@20160000 { /* sys_cti_2 */
 
 		trig-conns@0 {
 			reg = <0>;
-			arm,trig-in-sigs=<0 1>;
-			arm,trig-in-types=<SNK_FULL SNK_ACQCOMP>;
-			arm,trig-out-sigs=<0 1>;
-			arm,trig-out-types=<SNK_FLUSHIN SNK_TRIGIN>;
+			arm,trig-in-sigs = <0 1>;
+			arm,trig-in-types = <SNK_FULL SNK_ACQCOMP>;
+			arm,trig-out-sigs = <0 1>;
+			arm,trig-out-types = <SNK_FLUSHIN SNK_TRIGIN>;
 			arm,cs-dev-assoc = <&etf_sys1>;
 		};
 
 		trig-conns@1 {
 			reg = <1>;
-			arm,trig-in-sigs=<2 3 4>;
-			arm,trig-in-types=<ELA_DBGREQ ELA_TSTART ELA_TSTOP>;
+			arm,trig-in-sigs = <2 3 4>;
+			arm,trig-in-types = <ELA_DBGREQ ELA_TSTART ELA_TSTOP>;
 			arm,trig-conn-name = "ela_clus_0";
 		};
 
 		trig-conns@2 {
 			reg = <2>;
-			arm,trig-in-sigs=<5 6 7>;
-			arm,trig-in-types=<ELA_DBGREQ ELA_TSTART ELA_TSTOP>;
+			arm,trig-in-sigs = <5 6 7>;
+			arm,trig-in-types = <ELA_DBGREQ ELA_TSTART ELA_TSTOP>;
 			arm,trig-conn-name = "ela_clus_1";
 		};
 	};
diff --git a/arch/arm64/boot/dts/arm/juno-r1.dts b/arch/arm64/boot/dts/arm/juno-r1.dts
index f099fb611d4e..6451c62146fd 100644
--- a/arch/arm64/boot/dts/arm/juno-r1.dts
+++ b/arch/arm64/boot/dts/arm/juno-r1.dts
@@ -192,6 +192,7 @@ A57_L2: l2-cache0 {
 			cache-size = <0x200000>;
 			cache-line-size = <64>;
 			cache-sets = <2048>;
+			cache-level = <2>;
 		};
 
 		A53_L2: l2-cache1 {
@@ -199,6 +200,7 @@ A53_L2: l2-cache1 {
 			cache-size = <0x100000>;
 			cache-line-size = <64>;
 			cache-sets = <1024>;
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/arm/juno-r2.dts b/arch/arm64/boot/dts/arm/juno-r2.dts
index 709389582ae3..438cd1ff4bd0 100644
--- a/arch/arm64/boot/dts/arm/juno-r2.dts
+++ b/arch/arm64/boot/dts/arm/juno-r2.dts
@@ -198,6 +198,7 @@ A72_L2: l2-cache0 {
 			cache-size = <0x200000>;
 			cache-line-size = <64>;
 			cache-sets = <2048>;
+			cache-level = <2>;
 		};
 
 		A53_L2: l2-cache1 {
@@ -205,6 +206,7 @@ A53_L2: l2-cache1 {
 			cache-size = <0x100000>;
 			cache-line-size = <64>;
 			cache-sets = <1024>;
+			cache-level = <2>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dtsi b/arch/arm64/boot/dts/arm/juno-scmi.dtsi
index 4135d62e44a2..ec85cd2c733c 100644
--- a/arch/arm64/boot/dts/arm/juno-scmi.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-scmi.dtsi
@@ -187,7 +187,6 @@ &gpu {
 &mailbox {
 	compatible = "arm,mhu-doorbell", "arm,primecell";
 	#mbox-cells = <2>;
-	mbox-name = "ARM-MHU";
 };
 
 &smmu_etr {
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index dbc22e70b62c..cf4a58211399 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -197,6 +197,7 @@ A57_L2: l2-cache0 {
 			cache-size = <0x200000>;
 			cache-line-size = <64>;
 			cache-sets = <2048>;
+			cache-level = <2>;
 		};
 
 		A53_L2: l2-cache1 {
@@ -204,6 +205,7 @@ A53_L2: l2-cache1 {
 			cache-size = <0x100000>;
 			cache-line-size = <64>;
 			cache-sets = <1024>;
+			cache-level = <2>;
 		};
 	};