arm64: dts: rockchip: add VPU device node for RK3399

Add the Video Processing Unit node for the RK3399 SoC.

Also, fix the VPU IOMMU node, which was disabled and lacking
its power domain property.

Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399.dtsi

@@ -1242,6 +1242,18 @@
 		status = "disabled";
 	};
 
+	vpu: video-codec@ff650000 {
+		compatible = "rockchip,rk3399-vpu";
+		reg = <0x0 0xff650000 0x0 0x800>;
+		interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH 0>,
+			     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH 0>;
+		interrupt-names = "vepu", "vdpu";
+		clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
+		clock-names = "aclk", "hclk";
+		iommus = <&vpu_mmu>;
+		power-domains = <&power RK3399_PD_VCODEC>;
+	};
+
 	vpu_mmu: iommu@ff650800 {
 		compatible = "rockchip,iommu";
 		reg = <0x0 0xff650800 0x0 0x40>;
@@ -1250,7 +1262,7 @@
 		clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
 		clock-names = "aclk", "iface";
 		#iommu-cells = <0>;
-		status = "disabled";
+		power-domains = <&power RK3399_PD_VCODEC>;
 	};
 
 	vdec_mmu: iommu@ff660480 {