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             maxItems: 1
  78
  79     required:
  80       - link-name
  81       - cpu
  82       - codec
  83
  84     additionalProperties: false
  85
  86 required:
  87   - compatible
  88   - model
  89   - "#address-cells"
  90   - "#size-cells"
  91
  92 additionalProperties: false
  93
  94 examples:
  95
  96   - |
  97     sound {
  98         compatible = "google,sc7180-trogdor";
  99         model = "sc7180-rt5682-max98357a-2mic";
 100
 101         audio-routing =
 102                     "Headphone Jack", "HPOL",
 103                     "Headphone Jack", "HPOR";
 104
 105         #address-cells = <1>;
 106         #size-cells = <0>;
 107
 108         dmic-gpios = <&tlmm 86 0>;
 109
 110         dai-link@0 {
 111             link-name = "MultiMedia0";
 112             reg = <0>;
 113             cpu {
 114                 sound-dai = <&lpass_cpu 0>;
 115             };
 116
 117             codec {
 118                 sound-dai = <&alc5682 0>;
 119             };
 120         };
 121
 122         dai-link@1 {
 123             link-name = "MultiMedia1";
 124             reg = <1>;
 125             cpu {
 126                 sound-dai = <&lpass_cpu 1>;
 127             };
 128
 129             codec {
 130                 sound-dai = <&max98357a>;
 131             };
 132         };
 133
 134         dai-link@2 {
 135             link-name = "MultiMedia2";
 136             reg = <2>;
 137             cpu {
 138                 sound-dai = <&lpass_hdmi 0>;
 139             };
 140
 141             codec {
 142                 sound-dai = <&msm_dp>;
 143             };
 144         };
 145     };