xref: /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/video/rockchip-lvds.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)

Rockchip LVDS interface
------------------

Required properties:
- compatible: "rockchip,rk3288-lvds";

- reg: physical base address of the controller and length
	of memory mapped region.
- clocks: must include clock specifiers corresponding to entries in the
	clock-names property.
- clock-names: must contain "pclk_lvds"

- rockchip,grf: phandle to the general register files syscon

- rockchip,data-mapping: should be <LVDS_FORMAT_VESA> or  <LVDS_FORMAT_JEIDA>,
	This describes how the color bits are laid out in the
	serialized LVDS signal.
- rockchip,data-width : should be <18> or <24>;
- rockchip,output: should be <LVDS_OUTPUT_RGB>, <LVDS_OUTPUT_SINGLE> or
	<LVDS_OUTPUT_DUAL>, This describes the output face.

- display-timings : described by
	doc/devicetree/device-tree-bindings/video/display-timing.txt.

Example:
	lvds: lvds@ff96c000 {
		compatible = "rockchip,rk3288-lvds";
		reg = <0xff96c000 0x4000>;
		clocks = <&cru PCLK_LVDS_PHY>;
		clock-names = "pclk_lvds";
		pinctrl-names = "default";
		pinctrl-0 = <&lcdc0_ctl>;
		rockchip,grf = <&grf>;
		status = "disabled";
		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			lvds_in: port@0 {
				reg = <0>;

				#address-cells = <1>;
				#size-cells = <0>;

				lvds_in_vopb: endpoint@0 {
					reg = <0>;
					remote-endpoint = <&vopb_out_lvds>;
				};
				lvds_in_vopl: endpoint@1 {
					reg = <1>;
					remote-endpoint = <&vopl_out_lvds>;
				};
			};
		};
	};

	&lvds {
		rockchip,data-mapping = <LVDS_FORMAT_VESA>;
		rockchip,data-width = <24>;
		rockchip,output = <LVDS_OUTPUT_DUAL>;
		rockchip,panel = <&panel>;
		status = "okay";

		display-timings {
			timing@0 {
				clock-frequency = <40000000>;
				hactive = <1920>;
				vactive = <1080>;
				hsync-len = <44>;
				hfront-porch = <88>;
				hback-porch = <148>;
				vfront-porch = <4>;
				vback-porch = <36>;
				vsync-len = <5>;
			};
		};
	};