Documentation/devicetree/bindings/drm/msm/hdmi.txt

   1 Qualcomm adreno/snapdragon hdmi output
   2
   3 Required properties:
   4 - compatible: one of the following
   5    * "qcom,hdmi-tx-8994"
   6    * "qcom,hdmi-tx-8084"
   7    * "qcom,hdmi-tx-8974"
   8    * "qcom,hdmi-tx-8660"
   9    * "qcom,hdmi-tx-8960"
  10 - reg: Physical base address and length of the controller's registers
  11 - reg-names: "core_physical"
  12 - interrupts: The interrupt signal from the hdmi block.
  13 - clocks: device clocks
  14   See ../clocks/clock-bindings.txt for details.
  15 - qcom,hdmi-tx-ddc-clk-gpio: ddc clk pin
  16 - qcom,hdmi-tx-ddc-data-gpio: ddc data pin
  17 - qcom,hdmi-tx-hpd-gpio: hpd pin
  18 - core-vdda-supply: phandle to supply regulator
  19 - hdmi-mux-supply: phandle to mux regulator
  20
  21 Optional properties:
  22 - qcom,hdmi-tx-mux-en-gpio: hdmi mux enable pin
  23 - qcom,hdmi-tx-mux-sel-gpio: hdmi mux select pin
  24 - pinctrl-names: the pin control state names; should contain "default"
  25 - pinctrl-0: the default pinctrl state (active)
  26 - pinctrl-1: the "sleep" pinctrl state
  27
  28 Example:
  29
  30 / {
  31         ...
  32
  33         hdmi: qcom,hdmi-tx-8960@4a00000 {
  34                 compatible = "qcom,hdmi-tx-8960";
  35                 reg-names = "core_physical";
  36                 reg = <0x04a00000 0x1000>;
  37                 interrupts = <GIC_SPI 79 0>;
  38                 clock-names =
  39                     "core_clk",
  40                     "master_iface_clk",
  41                     "slave_iface_clk";
  42                 clocks =
  43                     <&mmcc HDMI_APP_CLK>,
  44                     <&mmcc HDMI_M_AHB_CLK>,
  45                     <&mmcc HDMI_S_AHB_CLK>;
  46                 qcom,hdmi-tx-ddc-clk = <&msmgpio 70 GPIO_ACTIVE_HIGH>;
  47                 qcom,hdmi-tx-ddc-data = <&msmgpio 71 GPIO_ACTIVE_HIGH>;
  48                 qcom,hdmi-tx-hpd = <&msmgpio 72 GPIO_ACTIVE_HIGH>;
  49                 core-vdda-supply = <&pm8921_hdmi_mvs>;
  50                 hdmi-mux-supply = <&ext_3p3v>;
  51                 pinctrl-names = "default", "sleep";
  52                 pinctrl-0 = <&hpd_active  &ddc_active  &cec_active>;
  53                 pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
  54         };
  55 };