Documentation/devicetree/bindings/sound/audio-graph-port.yaml

   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         $ref: /schemas/types.yaml#/definitions/phandle
  46       bitclock-master:
  47         description: Indicates dai-link bit clock master
  48         $ref: /schemas/types.yaml#/definitions/phandle
  49       dai-format:
  50         description: audio format.
  51         items:
  52           enum:
  53             - i2s
  54             - right_j
  55             - left_j
  56             - dsp_a
  57             - dsp_b
  58             - ac97
  59             - pdm
  60             - msb
  61             - lsb
  62       convert-rate:
  63         description: CPU to Codec rate convert.
  64         $ref: /schemas/types.yaml#/definitions/uint32
  65       convert-channels:
  66         description: CPU to Codec rate channels.
  67         $ref: /schemas/types.yaml#/definitions/uint32
  68
  69 additionalProperties: true