Refactor and fix Cortex-R device tree

dts/arm/armv7-r.dtsi

@@ -3,32 +3,14 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+
 #include "skeleton.dtsi"
 
 / {
-	cpus {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		cpu@0 {
-			device_type = "cpu";
-			compatible = "Cortex-R";
-			reg = <0>;
-		};
-
-		core_intc: core_intc@0 {
-			compatible = "armv7-r,core-intc";
-			reg = <0x00 0x4>;
-			interrupt-controller;
-			#interrupt-cells = <2>;
-		};
-	};
-
 	soc {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "simple-bus";
 		ranges;
 	};
 };
-

dts/arm/xilinx/zynqmp.dtsi

@@ -2,14 +2,24 @@
  * Copyright (c) 2019 Lexmark International, Inc.
  *
  * SPDX-License-Identifier: Apache-2.0
- *
  */
 
 #include <mem.h>
 #include <arm/armv7-r.dtsi>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
 / {
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-r4";
+			reg = <0>;
+		};
+	};
+
 	soc {
 		interrupt-parent = <&gic>;
 
@@ -19,7 +29,6 @@
 					<0xf9020000 0x100>;
 			interrupt-controller;
 			#interrupt-cells = <3>;
-			interrupt-parent = <&core_intc>;
 			label = "GIC";
 			status = "okay";
 		};

dts/bindings/cpu/arm,cortex-r4.yaml

@@ -0,0 +1,11 @@
+# Copyright (c) 2019 Stephanos Ioannidis <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+title: ARM Cortex-R4 CPU
+
+description: >
+    This is a representation of ARM Cortex-R4 CPU.
+
+compatible: "arm,cortex-r4"
+
+include: cpu.yaml

dts/bindings/cpu/arm,cortex-r4f.yaml

@@ -0,0 +1,11 @@
+# Copyright (c) 2019 Stephanos Ioannidis <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+title: ARM Cortex-R4F CPU
+
+description: >
+    This is a representation of ARM Cortex-R4F CPU.
+
+compatible: "arm,cortex-r4f"
+
+include: cpu.yaml

dts/bindings/cpu/arm,cortex-r5.yaml

@@ -0,0 +1,11 @@
+# Copyright (c) 2019 Stephanos Ioannidis <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+title: ARM Cortex-R5 CPU
+
+description: >
+    This is a representation of ARM Cortex-R5 CPU.
+
+compatible: "arm,cortex-r5"
+
+include: cpu.yaml

dts/bindings/cpu/arm,cortex-r5f.yaml

@@ -0,0 +1,11 @@
+# Copyright (c) 2019 Stephanos Ioannidis <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+title: ARM Cortex-R5F CPU
+
+description: >
+    This is a representation of ARM Cortex-R5F CPU.
+
+compatible: "arm,cortex-r5f"
+
+include: cpu.yaml