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         description: dai link address.
  59
  60       cpu:
  61         description: Holds subnode which indicates cpu dai.
  62         type: object
  63         properties:
  64           sound-dai: true
  65
  66       codec:
  67         description: Holds subnode which indicates codec dai.
  68         type: object
  69         properties:
  70           sound-dai: true
  71
  72     required:
  73       - link-name
  74       - cpu
  75       - codec
  76
  77     additionalProperties: false
  78
  79 required:
  80   - compatible
  81   - model
  82   - "#address-cells"
  83   - "#size-cells"
  84
  85 additionalProperties: false
  86
  87 examples:
  88
  89   - |
  90     sound {
  91         compatible = "google,sc7180-trogdor";
  92         model = "sc7180-rt5682-max98357a-2mic";
  93
  94         audio-routing =
  95                     "Headphone Jack", "HPOL",
  96                     "Headphone Jack", "HPOR";
  97
  98         #address-cells = <1>;
  99         #size-cells = <0>;
 100
 101         dmic-gpios = <&tlmm 86 0>;
 102
 103         dai-link@0 {
 104             link-name = "MultiMedia0";
 105             reg = <0>;
 106             cpu {
 107                 sound-dai = <&lpass_cpu 0>;
 108             };
 109
 110             codec {
 111                 sound-dai = <&alc5682 0>;
 112             };
 113         };
 114
 115         dai-link@1 {
 116             link-name = "MultiMedia1";
 117             reg = <1>;
 118             cpu {
 119                 sound-dai = <&lpass_cpu 1>;
 120             };
 121
 122             codec {
 123                 sound-dai = <&max98357a>;
 124             };
 125         };
 126
 127         dai-link@2 {
 128             link-name = "MultiMedia2";
 129             reg = <2>;
 130             cpu {
 131                 sound-dai = <&lpass_hdmi 0>;
 132             };
 133
 134             codec {
 135                 sound-dai = <&msm_dp>;
 136             };
 137         };
 138     };