Rockchip specific extensions to the TVE
================================

Required properties:
- compatible: "rockchip,rk3328-tve";
- reg: Physical base address and length of the controller's registers.
- ports: contain a port node with endpoint definitions as defined in
  Documentation/devicetree/bindings/media/video-interfaces.txt
- rockchip,saturation: the value for TVE_COLOR_BUSRT_SAT(0x78)
- rockchip,brightcontrast: the value for TVE_BRIGHTNESS_CONTRAST(0x90)
- rockchip,adjtiming: the value for TVE_HOR_TIMING3(0x0c)
- rockchip,lumafilter0: the value for TVE_LUMA_FILTER1(0x14)
- rockchip,lumafilter1: the value for TVE_LUMA_FILTER2(0x18)
- rockchip,lumafilter2: the value for TVE_LUMA_FILTER3(0x1c)
- rockchip,daclevel: the value is used to adjust the voltage amplitude of the CVBS
- rockchip,dac1level: only for rv1108 rk322x and rk3328

Example:
	tve: tve@ff373e00 {
		compatible = "rockchip,rk3328-tve";
		reg = <0x0 0xff373e00 0x0 0x100>,
		      <0x0 0xff420000 0x0 0x10000>;
		rockchip,saturation = <0x00376749>;
		rockchip,brightcontrast = <0x0000a305>;
		rockchip,adjtiming = <0xb6c00880>;
		rockchip,lumafilter0 = <0x01ff0000>;
		rockchip,lumafilter1 = <0xf40200fe>;
		rockchip,lumafilter2 = <0xf332d70c>;
		rockchip,daclevel = <0x22>;
		rockchip,dac1level = <0x7>;
		status = "disabled";

		ports {
			tve_in: port {
				#address-cells = <1>;
				#size-cells = <0>;
				tve_in_vop: endpoint@0 {
					reg = <0>;
					remote-endpoint = <&vop_out_tve>;
				};
			};
		};
	};