[nrf noup] dts: arm: nrf54h20: Add mpu node to cpuapp and cpurad

Add mpu node to cpu in haltium ARM cores.

Signed-off-by: Adam Kondraciuk <[email protected]>

Author: adamkondraciuk

dts/bindings/mmu_mpu/arm,armv6m-mpu.yaml

@@ -10,3 +10,8 @@ include: base.yaml
 properties:
   reg:
     required: true
+
+  arm,num-mpu-regions:
+    type: int
+    const: 8
+    description: number of MPU regions supported by hardware

dts/bindings/mmu_mpu/arm,armv7m-mpu.yaml

@@ -7,3 +7,7 @@ include: base.yaml
 properties:
   reg:
     required: true
+
+  arm,num-mpu-regions:
+    type: int
+    description: number of MPU regions supported by hardware

dts/bindings/mmu_mpu/arm,armv8.1m-mpu.yaml

@@ -7,3 +7,7 @@ include: base.yaml
 properties:
   reg:
     required: true
+
+  arm,num-mpu-regions:
+    type: int
+    description: number of MPU regions supported by hardware

dts/bindings/mmu_mpu/arm,armv8m-mpu.yaml

@@ -7,3 +7,7 @@ include: base.yaml
 properties:
   reg:
     required: true
+
+  arm,num-mpu-regions:
+    type: int
+    description: number of MPU regions supported by hardware

dts/common/nordic/nrf54h20.dtsi

@@ -30,13 +30,29 @@
 			reg = <2>;
 			device_type = "cpu";
 			clock-frequency = <DT_FREQ_M(320)>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			mpu: mpu@e000ed90 {
+				compatible = "arm,armv8m-mpu";
+				reg = <0xe000ed90 0x40>;
+				arm,num-mpu-regions = <16>;
+			};
 		};
 
 		cpurad: cpu@3 {
 			compatible = "arm,cortex-m33";
 			reg = <3>;
 			device_type = "cpu";
 			clock-frequency = <DT_FREQ_M(256)>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			mpu: mpu@e000ed90 {
+				compatible = "arm,armv8m-mpu";
+				reg = <0xe000ed90 0x40>;
+				arm,num-mpu-regions = <16>;
+			};
 		};
 
 		cpuppr: cpu@d {