Documentation/devicetree/bindings/sound/google,sc7180-trogdor.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/google,sc7180-trogdor.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Google SC7180-Trogdor ASoC sound card driver
   8
   9 maintainers:
  10   - Rohit kumar <rohitkr@codeaurora.org>
  11   - Cheng-Yi Chiang <cychiang@chromium.org>
  12
  13 description:
  14   This binding describes the SC7180 sound card which uses LPASS for audio.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - google,sc7180-trogdor
  20       - google,sc7180-coachz
  21
  22   audio-routing:
  23     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
  24     description:
  25       A list of the connections between audio components. Each entry is a
  26       pair of strings, the first being the connection's sink, the second
  27       being the connection's source.
  28
  29   model:
  30     $ref: /schemas/types.yaml#/definitions/string
  31     description: User specified audio sound card name
  32
  33   "#address-cells":
  34     const: 1
  35
  36   "#size-cells":
  37     const: 0
  38
  39   dmic-gpios:
  40     maxItems: 1
  41     description: GPIO for switching between DMICs
  42
  43 patternProperties:
  44   "^dai-link(@[0-9])?$":
  45     description:
  46       Each subnode represents a dai link. Subnodes of each dai links would be
  47       cpu/codec dais.
  48
  49     type: object
  50
  51     properties:
  52       link-name:
  53         description: Indicates dai-link name and PCM stream name.
  54         $ref: /schemas/types.yaml#/definitions/string
  55         maxItems: 1
  56
  57       reg:
  58         maxItems: 1
  59         description: dai link address.
  60
  61       cpu:
  62         description: Holds subnode which indicates cpu dai.
  63         type: object
  64         additionalProperties: false
  65
  66         properties:
  67           sound-dai:
  68             maxItems: 1
  69
  70       codec:
  71         description: Holds subnode which indicates codec dai.
  72         type: object
  73         additionalProperties: false
  74
  75         properties:
  76           sound-dai:
  77             minItems: 1
  78             maxItems: 4
  79
  80     required:
  81       - link-name
  82       - cpu
  83       - codec
  84
  85     additionalProperties: false
  86
  87 required:
  88   - compatible
  89   - model
  90   - "#address-cells"
  91   - "#size-cells"
  92
  93 additionalProperties: false
  94
  95 examples:
  96
  97   - |
  98     sound {
  99         compatible = "google,sc7180-trogdor";
 100         model = "sc7180-rt5682-max98357a-2mic";
 101
 102         audio-routing =
 103                     "Headphone Jack", "HPOL",
 104                     "Headphone Jack", "HPOR";
 105
 106         #address-cells = <1>;
 107         #size-cells = <0>;
 108
 109         dmic-gpios = <&tlmm 86 0>;
 110
 111         dai-link@0 {
 112             link-name = "MultiMedia0";
 113             reg = <0>;
 114             cpu {
 115                 sound-dai = <&lpass_cpu 0>;
 116             };
 117
 118             codec {
 119                 sound-dai = <&alc5682 0>;
 120             };
 121         };
 122
 123         dai-link@1 {
 124             link-name = "MultiMedia1";
 125             reg = <1>;
 126             cpu {
 127                 sound-dai = <&lpass_cpu 1>;
 128             };
 129
 130             codec {
 131                 sound-dai = <&max98357a>;
 132             };
 133         };
 134
 135         dai-link@2 {
 136             link-name = "MultiMedia2";
 137             reg = <2>;
 138             cpu {
 139                 sound-dai = <&lpass_hdmi 0>;
 140             };
 141
 142             codec {
 143                 sound-dai = <&msm_dp>;
 144             };
 145         };
 146     };