Documentation/devicetree/bindings/sound/google,sc7280-herobrine.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,sc7280-herobrine.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Google SC7280-Herobrine ASoC sound card driver
   8
   9 maintainers:
  10   - Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
  11   - Judy Hsiao <judyhsiao@chromium.org>
  12
  13 description:
  14   This binding describes the SC7280 sound card which uses LPASS for audio.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - google,sc7280-herobrine
  20
  21   audio-routing:
  22     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
  23     description:
  24       A list of the connections between audio components. Each entry is a
  25       pair of strings, the first being the connection's sink, the second
  26       being the connection's source.
  27
  28   model:
  29     $ref: /schemas/types.yaml#/definitions/string
  30     description: User specified audio sound card name
  31
  32   "#address-cells":
  33     const: 1
  34
  35   "#size-cells":
  36     const: 0
  37
  38 patternProperties:
  39   "^dai-link@[0-9a-f]$":
  40     description:
  41       Each subnode represents a dai link. Subnodes of each dai links would be
  42       cpu/codec dais.
  43
  44     type: object
  45
  46     properties:
  47       link-name:
  48         description: Indicates dai-link name and PCM stream name.
  49         $ref: /schemas/types.yaml#/definitions/string
  50         maxItems: 1
  51
  52       reg:
  53         maxItems: 1
  54         description: dai link address.
  55
  56       cpu:
  57         description: Holds subnode which indicates cpu dai.
  58         type: object
  59         properties:
  60           sound-dai: true
  61
  62         required:
  63           - sound-dai
  64
  65         additionalProperties: false
  66
  67       codec:
  68         description: Holds subnode which indicates codec dai.
  69         type: object
  70         properties:
  71           sound-dai: true
  72
  73         required:
  74           - sound-dai
  75
  76         additionalProperties: false
  77
  78     required:
  79       - link-name
  80       - cpu
  81       - codec
  82       - reg
  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     #include <dt-bindings/sound/qcom,lpass.h>
  98     sound {
  99         compatible = "google,sc7280-herobrine";
 100         model = "sc7280-wcd938x-max98360a-4dmic";
 101
 102         audio-routing =
 103             "IN1_HPHL", "HPHL_OUT",
 104             "IN2_HPHR", "HPHR_OUT",
 105             "AMIC1", "MIC BIAS1",
 106             "AMIC2", "MIC BIAS2",
 107             "VA DMIC0", "MIC BIAS3",
 108             "VA DMIC1", "MIC BIAS3",
 109             "VA DMIC2", "MIC BIAS4",
 110             "VA DMIC3", "MIC BIAS4",
 111             "TX SWR_ADC0", "ADC1_OUTPUT",
 112             "TX SWR_ADC1", "ADC2_OUTPUT",
 113             "TX SWR_ADC2", "ADC3_OUTPUT",
 114             "TX SWR_DMIC0", "DMIC1_OUTPUT",
 115             "TX SWR_DMIC1", "DMIC2_OUTPUT",
 116             "TX SWR_DMIC2", "DMIC3_OUTPUT",
 117             "TX SWR_DMIC3", "DMIC4_OUTPUT";
 118
 119         #address-cells = <1>;
 120         #size-cells = <0>;
 121
 122         dai-link@0 {
 123             link-name = "WCD Playback";
 124             reg = <LPASS_CDC_DMA_RX0>;
 125             cpu {
 126                 sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
 127             };
 128
 129             codec {
 130                 sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
 131             };
 132         };
 133         dai-link@1 {
 134             link-name = "WCD Capture";
 135             reg = <LPASS_CDC_DMA_TX3>;
 136             cpu {
 137                 sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
 138             };
 139
 140             codec {
 141                 sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
 142             };
 143         };
 144
 145         dai-link@2 {
 146             link-name = "MI2S Playback";
 147             reg = <MI2S_SECONDARY>;
 148             cpu {
 149                 sound-dai = <&lpass_cpu MI2S_SECONDARY>;
 150             };
 151
 152             codec {
 153                 sound-dai = <&max98360a>;
 154             };
 155         };
 156
 157         dai-link@3 {
 158             link-name = "DMIC Capture";
 159             reg = <LPASS_CDC_DMA_VA_TX0>;
 160             cpu {
 161                 sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
 162             };
 163
 164             codec {
 165                 sound-dai = <&vamacro 0>;
 166             };
 167         };
 168
 169         dai-link@5 {
 170             link-name = "DP Playback";
 171             reg = <LPASS_DP_RX>;
 172             cpu {
 173                 sound-dai = <&lpass_cpu LPASS_DP_RX>;
 174             };
 175
 176             codec {
 177                 sound-dai = <&mdss_dp>;
 178             };
 179         };
 180     };