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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/audio-graph-card2.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Audio Graph Card2 Device Tree Bindings
    8 
    9 maintainers:
   10   - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   11 
   12 properties:
   13   compatible:
   14     enum:
   15       - audio-graph-card2
   16   links:
   17     $ref: /schemas/types.yaml#/definitions/phandle-array
   18   label:
   19     maxItems: 1
   20   routing:
   21     description: |
   22       A list of the connections between audio components.
   23       Each entry is a pair of strings, the first being the
   24       connection's sink, the second being the connection's source.
   25     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
   26   multi:
   27     type: object
   28     description: Multi-CPU/Codec node
   29   dpcm:
   30     type: object
   31     description: DPCM node
   32   codec2codec:
   33     type: object
   34     description: Codec to Codec node
   35 
   36 required:
   37   - compatible
   38   - links
   39 
   40 additionalProperties: false
   41 
   42 examples:
   43   - |
   44     sound {
   45         compatible = "audio-graph-card2";
   46 
   47         links = <&cpu_port>;
   48     };
   49 
   50     cpu {
   51         compatible = "cpu-driver";
   52 
   53         cpu_port: port { cpu_ep: endpoint { remote-endpoint = <&codec_ep>; }; };
   54     };
   55 
   56     codec {
   57         compatible = "codec-driver";
   58 
   59         port { codec_ep: endpoint { remote-endpoint = <&cpu_ep>; }; };
   60     };
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