CooCenter-System-kernel/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt

Rockchip specific extensions to the Synopsys Designware HDMI
================================

Required properties:
- compatible: "rockchip,rk3288-dw-hdmi";
- reg: Physical base address and length of the controller's registers.
- clocks: phandle to hdmi iahb and isfr clocks.
- clock-names: should be "iahb" "isfr"
- rockchip,grf: this soc should set GRF regs to mux vopl/vopb.
- interrupts: HDMI interrupt number
- ports: contain a port node with endpoint definitions as defined in
  Documentation/devicetree/bindings/media/video-interfaces.txt. For
  vopb,set the reg = <0> and set the reg = <1> for vopl.
- reg-io-width: the width of the reg:1,4, the value should be 4 on
  rk3288 platform

Optional properties
- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
- clocks, clock-names: phandle to the HDMI CEC clock, name should be "cec"

Example:
hdmi: hdmi@ff980000 {
	compatible = "rockchip,rk3288-dw-hdmi";
	reg = <0xff980000 0x20000>;
	reg-io-width = <4>;
	ddc-i2c-bus = <&i2c5>;
	rockchip,grf = <&grf>;
	interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
	clocks = <&cru  PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>;
	clock-names = "iahb", "isfr";
	status = "disabled";
	ports {
		hdmi_in: port {
			#address-cells = <1>;
			#size-cells = <0>;
			hdmi_in_vopb: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&vopb_out_hdmi>;
			};
			hdmi_in_vopl: endpoint@1 {
				reg = <1>;
				remote-endpoint = <&vopl_out_hdmi>;
			};
		};
	};
};