FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/dp-aux-bus.yaml

     # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/display/dp-aux-bus.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: DisplayPort AUX bus
     
     maintainers:
      - Douglas Anderson <dianders@chromium.org>
    
    description:
      DisplayPort controllers provide a control channel to the sinks that
      are hooked up to them. This is the DP AUX bus. Over the DP AUX bus
      we can query properties about a sink and also configure it. In
      particular, DP sinks support DDC over DP AUX which allows tunneling
      a standard I2C DDC connection over the AUX channel.
    
      To model this relationship, DP sinks should be placed as children
      of the DP controller under the "aux-bus" node.
    
      At the moment, this binding only handles the eDP case. It is
      possible it will be extended in the future to handle the DP case.
      For DP, presumably a connector would be listed under the DP AUX
      bus instead of a panel.
    
    properties:
      $nodename:
        const: "aux-bus"
    
      panel:
        $ref: panel/panel-common.yaml#
    
    additionalProperties: false
    
    required:
      - panel

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