Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt

   1 Rockchip specific extensions to the Innosilicon HDMI
   2 ================================
   3
   4 Required properties:
   5 - compatible:
   6         "rockchip,rk3036-inno-hdmi";
   7 - reg:
   8         Physical base address and length of the controller's registers.
   9 - clocks, clock-names:
  10         Phandle to hdmi controller clock, name should be "pclk"
  11 - interrupts:
  12         HDMI interrupt number
  13 - ports:
  14         Contain one port node with endpoint definitions as defined in
  15         Documentation/devicetree/bindings/graph.txt.
  16 - pinctrl-0, pinctrl-name:
  17         Switch the iomux of HPD/CEC pins to HDMI function.
  18
  19 Example:
  20 hdmi: hdmi@20034000 {
  21         compatible = "rockchip,rk3036-inno-hdmi";
  22         reg = <0x20034000 0x4000>;
  23         interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
  24         clocks = <&cru  PCLK_HDMI>;
  25         clock-names = "pclk";
  26         pinctrl-names = "default";
  27         pinctrl-0 = <&hdmi_ctl>;
  28
  29         hdmi_in: port {
  30                 #address-cells = <1>;
  31                 #size-cells = <0>;
  32                 hdmi_in_lcdc: endpoint@0 {
  33                         reg = <0>;
  34                         remote-endpoint = <&lcdc_out_hdmi>;
  35                 };
  36         };
  37 };
  38
  39 &pinctrl {
  40         hdmi {
  41                 hdmi_ctl: hdmi-ctl {
  42                         rockchip,pins = <1 8  RK_FUNC_1 &pcfg_pull_none>,
  43                                         <1 9  RK_FUNC_1 &pcfg_pull_none>,
  44                                         <1 10 RK_FUNC_1 &pcfg_pull_none>,
  45                                         <1 11 RK_FUNC_1 &pcfg_pull_none>;
  46                 };
  47         };
  48
  49 };