arm64: dts: rockchip: rk3568-evb: Add reserved memory for rknpu

Signed-off-by: Felix Zeng <felix.zeng@rock-chips.com>
Change-Id: I65b6c68cb4d6010795f3c7c56e1fc99f9e6fdda7

arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi

@@ -183,6 +183,20 @@
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		rknpu_reserved: rknpu {
+			compatible = "shared-dma-pool";
+			inactive;
+			reusable;
+			size = <0x0 0x20000000>;
+			alignment = <0x0 0x1000>;
+		};
+	};
+
 	rk809_sound: rk809-sound {
 		status = "okay";
 		compatible = "simple-audio-card";
@@ -1467,6 +1481,16 @@
 	status = "okay";
 };
 
+&rknpu {
+	memory-region = <&rknpu_reserved>;
+	rknpu-supply = <&vdd_npu>;
+	status = "okay";
+};
+
+&rknpu_mmu {
+	status = "disabled";
+};
+
 &saradc {
 	status = "okay";
 	vref-supply = <&vcca_1v8>;