arm64: dts: xilinx: zynqmp: Add RPU subsystem device node

RPU subsystem can be configured in cluster-mode or split mode.
Also each r5 core has separate power domains.

Signed-off-by: Tanmay Shah <[e-mail]>
Acked-by: Michal Simek <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mathieu Poirier <[e-mail]>

arch/arm64/boot/dts/xilinx/zynqmp.dtsi

···
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		rproc_0_fw_image: memory@3ed00000 {
+			no-map;
+			reg = <0x0 0x3ed00000 0x0 0x40000>;
+		};
+
+		rproc_1_fw_image: memory@3ef00000 {
+			no-map;
+			reg = <0x0 0x3ef00000 0x0 0x40000>;
+		};
+	};
+
 	zynqmp_ipi: zynqmp_ipi {
 		compatible = "xlnx,zynqmp-ipi-mailbox";
 		interrupt-parent = <&gic>;
···
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+	};
+
+	remoteproc {
+		compatible = "xlnx,zynqmp-r5fss";
+		xlnx,cluster-mode = <1>;
+
+		r5f-0 {
+			compatible = "xlnx,zynqmp-r5f";
+			power-domains = <&zynqmp_firmware PD_RPU_0>;
+			memory-region = <&rproc_0_fw_image>;
+		};
+
+		r5f-1 {
+			compatible = "xlnx,zynqmp-r5f";
+			power-domains = <&zynqmp_firmware PD_RPU_1>;
+			memory-region = <&rproc_1_fw_image>;
+		};
 	};
 
 	amba: axi {