ARM: dts: rockchip: add VPU device node for RK3288

Add the Video Processing Unit node for RK3288 SoC.

Fix the VPU IOMMU node, which was disabled and lacking
its power domain property.
Reviewed-by: NTomasz Figa <tfiga@chromium.org>
Signed-off-by: NEzequiel Garcia <ezequiel@collabora.com>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288.dtsi

@@ -1232,6 +1232,18 @@
 		};
 	};
 
+	vpu: video-codec@ff9a0000 {
+		compatible = "rockchip,rk3288-vpu";
+		reg = <0x0 0xff9a0000 0x0 0x800>;
+		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "vepu", "vdpu";
+		clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
+		clock-names = "aclk", "hclk";
+		iommus = <&vpu_mmu>;
+		power-domains = <&power RK3288_PD_VIDEO>;
+	};
+
 	vpu_mmu: iommu@ff9a0800 {
 		compatible = "rockchip,iommu";
 		reg = <0x0 0xff9a0800 0x0 0x100>;
@@ -1240,7 +1252,7 @@
 		clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
 		clock-names = "aclk", "iface";
 		#iommu-cells = <0>;
-		status = "disabled";
+		power-domains = <&power RK3288_PD_VIDEO>;
 	};
 
 	hevc_mmu: iommu@ff9c0440 {