Documentation/devicetree/bindings/video/rockchip_hdmi.txt

   1 Device-Tree bindings for rockchip hdmi driver
   2
   3 Required properties:
   4 - compatible: value should be following:
   5         "rockchip,rk3036-hdmi",
   6         "rockchip,rk312x-hdmi",
   7         "rockchip,rk3288-hdmi",
   8         "rockchip,rk3366-hdmi",
   9         "rockchip,rk3368-hdmi",
  10         "rockchip,rk3399-hdmi",
  11 - reg: physical base address of the hdmi and length of memory mapped
  12         region.
  13 - interrupts: interrupt number to the cpu.
  14 - pinctrl-names: must contain a "default" entry.
  15 - pinctrl-0: pin control group to be used for this controller.
  16 - pinctrl-1: pin control group to be used for gpio.
  17 - clocks: must include clock specifiers corresponding to entries in the
  18         clock-names property.
  19 - clocks-names: list of clock names sorted in the same order as the clocks
  20                property. Must contain "pclk_hdmi" and "hdcp_clk_hdmi".
  21 - rockchip,hdmi_audio_source: hdmi audio source that is described as follow
  22         <0>: hdmi audio source from the I2S interface
  23         <1>: hdmi audio source from the SPDIF interface
  24 - rockchip,hdmi_video_source: hdmi video source that is described as follow
  25         <DISPLAY_SOURCE_LCDC0> hdmi video source from LCDC0/VOP0
  26         <DISPLAY_SOURCE_LCDC1> hdmi video source from LCDC1/VOP1
  27 - rockchip,hdcp_enable: hdmi hdcp function is described as follow
  28         <0>: hdcp function is disabled.
  29         <1>: hdcp function is enabled.
  30 - rockchip,cec_enable: hdmi cec function is described as follow
  31         <0>: cec function is disabled.
  32         <1>: cec function is enabled.
  33 - rockchip,defaultmode: hdmi default output video mode.
  34 Example:
  35
  36         hdmi: hdmi@ff980000 {
  37                 compatible = "rockchip,rk3288-hdmi";
  38                 reg = <0xff980000 0x20000>;
  39                 interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
  40                 pinctrl-names = "default", "gpio";
  41                 pinctrl-0 = <&i2c5_sda &i2c5_scl>;
  42                 pinctrl-1 = <&i2c5_gpio>;
  43                 clocks = <&clk_gates16 9>, <&clk_gates5 12>;
  44                 clock-names = "pclk_hdmi", "hdcp_clk_hdmi";
  45                 rockchip,hdmi_video_source = <DISPLAY_SOURCE_LCDC0>;
  46                 rockchip,hdmi_audio_source = <0>;
  47                 rockchip,hdcp_enable = <0>;
  48                 rockchip,cec_enable = <0>;
  49         };
  50