adi,adv7533.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/adi,adv7533.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Analog Devices ADV7533/35 HDMI Encoders
    8 
    9 maintainers:
   10   - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   11 
   12 description: |
   13   The ADV7533 and ADV7535 are HDMI audio and video transmitters
   14   compatible with HDMI 1.4 and DVI 1.0. They support color space
   15   conversion, S/PDIF, CEC and HDCP. The transmitter input is MIPI DSI.
   16 
   17 properties:
   18   compatible:
   19     enum:
   20       - adi,adv7533
   21       - adi,adv7535
   22 
   23   reg:
   24     description: |
   25       I2C slave addresses.
   26 
   27       The ADV7533/35 internal registers are split into four pages
   28       exposed through different I2C addresses, creating four register
   29       maps. Each map has it own I2C address and acts as a standard slave
   30       device on the I2C bus. The main address is mandatory, others are
   31       optional and revert to defaults if not specified.
   32     minItems: 1
   33     maxItems: 4
   34 
   35   reg-names:
   36     description:
   37       Names of maps with programmable addresses. It can contain any map
   38       needing a non-default address.
   39     minItems: 1
   40     items:
   41       - const: main
   42       - const: edid
   43       - const: cec
   44       - const: packet
   45 
   46   clocks:
   47     description: Reference to the CEC clock.
   48     maxItems: 1
   49 
   50   clock-names:
   51     const: cec
   52 
   53   interrupts:
   54     maxItems: 1
   55 
   56   pd-gpios:
   57     description: GPIO connected to the power down signal.
   58     maxItems: 1
   59 
   60   avdd-supply:
   61     description: A 1.8V supply that powers up the AVDD pin.
   62 
   63   dvdd-supply:
   64     description: A 1.8V supply that powers up the DVDD pin.
   65 
   66   pvdd-supply:
   67     description: A 1.8V supply that powers up the PVDD pin.
   68 
   69   a2vdd-supply:
   70     description: A 1.8V supply that powers up the A2VDD pin.
   71 
   72   v3p3-supply:
   73     description: A 3.3V supply that powers up the V3P3 pin.
   74 
   75   v1p2-supply:
   76     description:
   77       A supply that powers up the V1P2 pin. It can be either 1.2V
   78       or 1.8V for ADV7533 but only 1.8V for ADV7535.
   79 
   80   adi,disable-timing-generator:
   81     description:
   82       Disables the internal timing generator. The chip will rely on the
   83       sync signals in the DSI data lanes, rather than generating its own
   84       timings for HDMI output.
   85     type: boolean
   86 
   87   adi,dsi-lanes:
   88     description: Number of DSI data lanes connected to the DSI host.
   89     $ref: /schemas/types.yaml#/definitions/uint32
   90     enum: [ 1, 2, 3, 4 ]
   91 
   92   ports:
   93     description:
   94       The ADV7533/35 has two video ports and one audio port. This node
   95       models their connections as documented in
   96       Documentation/devicetree/bindings/media/video-interfaces.txt
   97       Documentation/devicetree/bindings/graph.txt
   98     type: object
   99     properties:
  100       port@0:
  101         description:
  102           Video port for the DSI input. The remote endpoint phandle
  103           should be a reference to a valid mipi_dsi_host_device.
  104         type: object
  105 
  106       port@1:
  107         description: Video port for the HDMI output.
  108         type: object
  109 
  110       port@2:
  111         description: Audio port for the HDMI output.
  112         type: object
  113 
  114 required:
  115   - compatible
  116   - reg
  117   - ports
  118   - adi,dsi-lanes
  119   - avdd-supply
  120   - dvdd-supply
  121   - pvdd-supply
  122   - a2vdd-supply
  123   - v3p3-supply
  124 
  125 additionalProperties: false
  126 
  127 examples:
  128   - |
  129     #include <dt-bindings/interrupt-controller/irq.h>
  130 
  131     i2c@e6500000 {
  132         #address-cells = <1>;
  133         #size-cells = <0>;
  134 
  135         reg = <0 0xe6500000>;
  136 
  137         adv7533: hdmi@39 {
  138             compatible = "adi,adv7533";
  139             /*
  140              * The EDID page will be accessible on address 0x66 on the I2C
  141              * bus. All other maps continue to use their default addresses.
  142              */
  143             reg = <0x39>, <0x66>;
  144             reg-names = "main", "edid";
  145             interrupt-parent = <&gpio3>;
  146             interrupts = <29 IRQ_TYPE_EDGE_FALLING>;
  147             clocks = <&cec_clock>;
  148             clock-names = "cec";
  149             adi,dsi-lanes = <4>;
  150             avdd-supply = <&v1v8>;
  151             dvdd-supply = <&v1v8>;
  152             pvdd-supply = <&v1v8>;
  153             a2vdd-supply = <&v1v8>;
  154             v3p3-supply = <&v3v3>;
  155 
  156             ports {
  157                 #address-cells = <1>;
  158                 #size-cells = <0>;
  159 
  160                 port@0 {
  161                     reg = <0>;
  162                     adv7533_in: endpoint {
  163                         remote-endpoint = <&dsi_out>;
  164                     };
  165                 };
  166 
  167                 port@1 {
  168                     reg = <1>;
  169                     adv7533_out: endpoint {
  170                         remote-endpoint = <&hdmi_connector_in>;
  171                     };
  172                 };
  173 
  174                 port@2 {
  175                     reg = <2>;
  176                     codec_endpoint: endpoint {
  177                         remote-endpoint = <&i2s0_cpu_endpoint>;
  178                     };
  179                 };
  180             };
  181         };
  182     };
  183 
  184 ...

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sys/contrib/device-tree/Bindings/display/bridge/adi,adv7533.yaml