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         properties:
  65           sound-dai: true
  66
  67       codec:
  68         description: Holds subnode which indicates codec dai.
  69         type: object
  70         properties:
  71           sound-dai: true
  72
  73     required:
  74       - link-name
  75       - cpu
  76       - codec
  77
  78     additionalProperties: false
  79
  80 required:
  81   - compatible
  82   - model
  83   - "#address-cells"
  84   - "#size-cells"
  85
  86 additionalProperties: false
  87
  88 examples:
  89
  90   - |
  91     sound {
  92         compatible = "google,sc7180-trogdor";
  93         model = "sc7180-rt5682-max98357a-2mic";
  94
  95         audio-routing =
  96                     "Headphone Jack", "HPOL",
  97                     "Headphone Jack", "HPOR";
  98
  99         #address-cells = <1>;
 100         #size-cells = <0>;
 101
 102         dmic-gpios = <&tlmm 86 0>;
 103
 104         dai-link@0 {
 105             link-name = "MultiMedia0";
 106             reg = <0>;
 107             cpu {
 108                 sound-dai = <&lpass_cpu 0>;
 109             };
 110
 111             codec {
 112                 sound-dai = <&alc5682 0>;
 113             };
 114         };
 115
 116         dai-link@1 {
 117             link-name = "MultiMedia1";
 118             reg = <1>;
 119             cpu {
 120                 sound-dai = <&lpass_cpu 1>;
 121             };
 122
 123             codec {
 124                 sound-dai = <&max98357a>;
 125             };
 126         };
 127
 128         dai-link@2 {
 129             link-name = "MultiMedia2";
 130             reg = <2>;
 131             cpu {
 132                 sound-dai = <&lpass_hdmi 0>;
 133             };
 134
 135             codec {
 136                 sound-dai = <&msm_dp>;
 137             };
 138         };
 139     };