ite,it66121.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/bridge/ite,it66121.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ITE it66121 HDMI bridge Device Tree Bindings
    8 
    9 maintainers:
   10   - Phong LE <ple@baylibre.com>
   11   - Neil Armstrong <neil.armstrong@linaro.org>
   12 
   13 description: |
   14   The IT66121 is a high-performance and low-power single channel HDMI
   15   transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible
   16   to DVI 1.0 specifications.
   17 
   18 properties:
   19   compatible:
   20     const: ite,it66121
   21 
   22   reg:
   23     maxItems: 1
   24 
   25   reset-gpios:
   26     maxItems: 1
   27     description: GPIO connected to active low reset
   28 
   29   vrf12-supply:
   30     description: Regulator for 1.2V analog core power.
   31 
   32   vcn33-supply:
   33     description: Regulator for 3.3V digital core power.
   34 
   35   vcn18-supply:
   36     description: Regulator for 1.8V IO core power.
   37 
   38   interrupts:
   39     maxItems: 1
   40 
   41   "#sound-dai-cells":
   42     const: 0
   43 
   44   ports:
   45     $ref: /schemas/graph.yaml#/properties/ports
   46 
   47     properties:
   48       port@0:
   49         $ref: /schemas/graph.yaml#/$defs/port-base
   50         unevaluatedProperties: false
   51         description: DPI input port.
   52 
   53         properties:
   54           endpoint:
   55             $ref: /schemas/graph.yaml#/$defs/endpoint-base
   56             unevaluatedProperties: false
   57 
   58             properties:
   59               bus-width:
   60                 description:
   61                   Endpoint bus width.
   62                 enum:
   63                   - 12  # 12 data lines connected and dual-edge mode
   64                   - 24  # 24 data lines connected and single-edge mode
   65                 default: 24
   66 
   67       port@1:
   68         $ref: /schemas/graph.yaml#/properties/port
   69         description: HDMI Connector port.
   70 
   71     required:
   72       - port@0
   73       - port@1
   74 
   75 required:
   76   - compatible
   77   - reg
   78   - reset-gpios
   79   - vrf12-supply
   80   - vcn33-supply
   81   - vcn18-supply
   82   - interrupts
   83   - ports
   84 
   85 additionalProperties: false
   86 
   87 examples:
   88   - |
   89     #include <dt-bindings/interrupt-controller/irq.h>
   90     #include <dt-bindings/gpio/gpio.h>
   91     i2c {
   92         #address-cells = <1>;
   93         #size-cells = <0>;
   94 
   95         it66121hdmitx: hdmitx@4c {
   96             compatible = "ite,it66121";
   97             pinctrl-names = "default";
   98             pinctrl-0 = <&ite_pins_default>;
   99             vcn33-supply = <&mt6358_vcn33_wifi_reg>;
  100             vcn18-supply = <&mt6358_vcn18_reg>;
  101             vrf12-supply = <&mt6358_vrf12_reg>;
  102             reset-gpios = <&pio 160 GPIO_ACTIVE_LOW>;
  103             interrupt-parent = <&pio>;
  104             interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
  105             reg = <0x4c>;
  106 
  107             ports {
  108                 #address-cells = <1>;
  109                 #size-cells = <0>;
  110 
  111                 port@0 {
  112                     reg = <0>;
  113                     it66121_in: endpoint {
  114                         bus-width = <12>;
  115                         remote-endpoint = <&display_out>;
  116                     };
  117                 };
  118 
  119                 port@1 {
  120                     reg = <1>;
  121                     hdmi_conn_out: endpoint {
  122                         remote-endpoint = <&hdmi_conn_in>;
  123                     };
  124                 };
  125             };
  126         };
  127     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/bridge/ite,it66121.yaml

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sys/contrib/device-tree/Bindings/display/bridge/ite,it66121.yaml