FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/phy-rockchip-inno-hdmi.txt

     ROCKCHIP HDMI PHY WITH INNO IP BLOCK
     
     Required properties:
      - compatible : should be one of the listed compatibles:
             * "rockchip,rk3228-hdmi-phy",
             * "rockchip,rk3328-hdmi-phy";
      - reg : Address and length of the hdmi phy control register set
      - clocks : phandle + clock specifier for the phy clocks
      - clock-names : string, clock name, must contain "sysclk" for system
              control and register configuration, "refoclk" for crystal-
              oscillator reference PLL clock input and "refpclk" for pclk-
              based refeference PLL clock input.
     - #clock-cells: should be 0.
     - clock-output-names : shall be the name for the output clock.
     - interrupts : phandle + interrupt specified for the hdmiphy interrupt
     - #phy-cells : must be 0. See ./phy-bindings.txt for details.
    
    Optional properties for rk3328-hdmi-phy:
     - nvmem-cells = phandle + nvmem specifier for the cpu-version efuse
     - nvmem-cell-names : "cpu-version" to read the chip version, required
              for adjustment to some frequency settings
    
    Example:
            hdmi_phy: hdmi-phy@12030000 {
                    compatible = "rockchip,rk3228-hdmi-phy";
                    reg = <0x12030000 0x10000>;
                    #phy-cells = <0>;
                    clocks = <&cru PCLK_HDMI_PHY>, <&xin24m>, <&cru DCLK_HDMIPHY>;
                    clock-names = "sysclk", "refoclk", "refpclk";
                    #clock-cells = <0>;
                    clock-output-names = "hdmi_phy";
                    status = "disabled";
            };
    
    Then the PHY can be used in other nodes such as:
    
            hdmi: hdmi@200a0000 {
                    compatible = "rockchip,rk3228-dw-hdmi";
                    ...
                    phys = <&hdmi_phy>;
                    phy-names = "hdmi";
                    ...
            };

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