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 <quic_rohkumar@quicinc.com>
  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 allOf:
  17   - $ref: sound-card-common.yaml#
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - google,sc7180-trogdor
  23       - google,sc7180-coachz
  24
  25   "#address-cells":
  26     const: 1
  27
  28   "#size-cells":
  29     const: 0
  30
  31   dmic-gpios:
  32     maxItems: 1
  33     description: GPIO for switching between DMICs
  34
  35 patternProperties:
  36   "^dai-link(@[0-9])?$":
  37     description:
  38       Each subnode represents a dai link. Subnodes of each dai links would be
  39       cpu/codec dais.
  40
  41     type: object
  42
  43     properties:
  44       link-name:
  45         description: Indicates dai-link name and PCM stream name.
  46         $ref: /schemas/types.yaml#/definitions/string
  47         maxItems: 1
  48
  49       reg:
  50         maxItems: 1
  51         description: dai link address.
  52
  53       cpu:
  54         description: Holds subnode which indicates cpu dai.
  55         type: object
  56         additionalProperties: false
  57
  58         properties:
  59           sound-dai:
  60             maxItems: 1
  61
  62       codec:
  63         description: Holds subnode which indicates codec dai.
  64         type: object
  65         additionalProperties: false
  66
  67         properties:
  68           sound-dai:
  69             minItems: 1
  70             maxItems: 4
  71
  72     required:
  73       - link-name
  74       - cpu
  75       - codec
  76
  77     additionalProperties: false
  78
  79 required:
  80   - compatible
  81   - "#address-cells"
  82   - "#size-cells"
  83
  84 unevaluatedProperties: false
  85
  86 examples:
  87
  88   - |
  89     sound {
  90         compatible = "google,sc7180-trogdor";
  91         model = "sc7180-rt5682-max98357a-2mic";
  92
  93         audio-routing =
  94                     "Headphone Jack", "HPOL",
  95                     "Headphone Jack", "HPOR";
  96
  97         #address-cells = <1>;
  98         #size-cells = <0>;
  99
 100         dmic-gpios = <&tlmm 86 0>;
 101
 102         dai-link@0 {
 103             link-name = "MultiMedia0";
 104             reg = <0>;
 105             cpu {
 106                 sound-dai = <&lpass_cpu 0>;
 107             };
 108
 109             codec {
 110                 sound-dai = <&alc5682 0>;
 111             };
 112         };
 113
 114         dai-link@1 {
 115             link-name = "MultiMedia1";
 116             reg = <1>;
 117             cpu {
 118                 sound-dai = <&lpass_cpu 1>;
 119             };
 120
 121             codec {
 122                 sound-dai = <&max98357a>;
 123             };
 124         };
 125
 126         dai-link@2 {
 127             link-name = "MultiMedia2";
 128             reg = <2>;
 129             cpu {
 130                 sound-dai = <&lpass_hdmi 0>;
 131             };
 132
 133             codec {
 134                 sound-dai = <&msm_dp>;
 135             };
 136         };
 137     };