arm64: dts: rockchip: Define the rockchip Video Decoder node on rk3399

RK3399 has a Video decoder, define the node in the dtsi. We also add
the missing power-domain in mmu node and enable the block.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Link: https://lore.kernel.org/r/20200403221345.16702-6-ezequiel@collabora.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

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

@@ -1271,6 +1271,18 @@ vpu_mmu: iommu@ff650800 {
 		power-domains = <&power RK3399_PD_VCODEC>;
 	};
 
+	vdec: video-codec@ff660000 {
+		compatible = "rockchip,rk3399-vdec";
+		reg = <0x0 0xff660000 0x0 0x400>;
+		interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>;
+		interrupt-names = "vdpu";
+		clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>,
+			 <&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>;
+		clock-names = "axi", "ahb", "cabac", "core";
+		iommus = <&vdec_mmu>;
+		power-domains = <&power RK3399_PD_VDU>;
+	};
+
 	vdec_mmu: iommu@ff660480 {
 		compatible = "rockchip,iommu";
 		reg = <0x0 0xff660480 0x0 0x40>, <0x0 0xff6604c0 0x0 0x40>;
@@ -1278,8 +1290,8 @@ vdec_mmu: iommu@ff660480 {
 		interrupt-names = "vdec_mmu";
 		clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>;
 		clock-names = "aclk", "iface";
+		power-domains = <&power RK3399_PD_VDU>;
 		#iommu-cells = <0>;
-		status = "disabled";
 	};
 
 	iep_mmu: iommu@ff670800 {