audio-graph-port.yaml

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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-port.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Audio Graph Card 'port' Node Bindings
    8 
    9 maintainers:
   10   - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   11 
   12 select: false
   13 
   14 allOf:
   15   - $ref: /schemas/graph.yaml#/$defs/port-base
   16 
   17 properties:
   18   prefix:
   19     description: "device name prefix"
   20     $ref: /schemas/types.yaml#/definitions/string
   21   convert-rate:
   22     description: CPU to Codec rate convert.
   23     $ref: /schemas/types.yaml#/definitions/uint32
   24   convert-channels:
   25     description: CPU to Codec rate channels.
   26     $ref: /schemas/types.yaml#/definitions/uint32
   27 patternProperties:
   28   "^endpoint(@[0-9a-f]+)?":
   29     $ref: /schemas/graph.yaml#/$defs/endpoint-base
   30     properties:
   31       mclk-fs:
   32         description: |
   33           Multiplication factor between stream rate and codec mclk.
   34           When defined, mclk-fs property defined in dai-link sub nodes are
   35           ignored.
   36         $ref: /schemas/types.yaml#/definitions/uint32
   37       frame-inversion:
   38         description: dai-link uses frame clock inversion
   39         $ref: /schemas/types.yaml#/definitions/flag
   40       bitclock-inversion:
   41         description: dai-link uses bit clock inversion
   42         $ref: /schemas/types.yaml#/definitions/flag
   43       frame-master:
   44         description: Indicates dai-link frame master.
   45         oneOf:
   46           - $ref: /schemas/types.yaml#/definitions/flag
   47           - $ref: /schemas/types.yaml#/definitions/phandle
   48       bitclock-master:
   49         description: Indicates dai-link bit clock master
   50         oneOf:
   51           - $ref: /schemas/types.yaml#/definitions/flag
   52           - $ref: /schemas/types.yaml#/definitions/phandle
   53 
   54       dai-format:
   55         description: audio format.
   56         items:
   57           enum:
   58             - i2s
   59             - right_j
   60             - left_j
   61             - dsp_a
   62             - dsp_b
   63             - ac97
   64             - pdm
   65             - msb
   66             - lsb
   67       convert-rate:
   68         description: CPU to Codec rate convert.
   69         $ref: /schemas/types.yaml#/definitions/uint32
   70       convert-channels:
   71         description: CPU to Codec rate channels.
   72         $ref: /schemas/types.yaml#/definitions/uint32
   73 
   74       dai-tdm-slot-width-map:
   75         description: Mapping of sample widths to slot widths. For hardware
   76           that cannot support a fixed slot width or a slot width always
   77           equal to sample width. A matrix of one or more 3-tuples.
   78         $ref: /schemas/types.yaml#/definitions/uint32-matrix
   79         items:
   80           items:
   81             -
   82               description: Sample width in bits
   83               minimum: 8
   84               maximum: 64
   85             -
   86               description: Slot width in bits
   87               minimum: 8
   88               maximum: 256
   89             -
   90               description: Slot count
   91               minimum: 1
   92               maximum: 64
   93 
   94 additionalProperties: true

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/audio-graph-port.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/audio-graph-port.yaml