Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.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/mediatek,mt8188-mt6359.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MediaTek MT8188 ASoC sound card
   8
   9 maintainers:
  10   - Trevor Wu <trevor.wu@mediatek.com>
  11
  12 allOf:
  13   - $ref: sound-card-common.yaml#
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - mediatek,mt8188-mt6359-evb
  19       - mediatek,mt8188-nau8825
  20       - mediatek,mt8188-rt5682s
  21
  22   audio-routing:
  23     description:
  24       Valid names could be the input or output widgets of audio components,
  25       power supplies, MicBias of codec and the software switch.
  26
  27   mediatek,platform:
  28     $ref: /schemas/types.yaml#/definitions/phandle
  29     description: The phandle of MT8188 ASoC platform.
  30
  31 patternProperties:
  32   "^dai-link-[0-9]+$":
  33     type: object
  34     description:
  35       Container for dai-link level properties and CODEC sub-nodes.
  36
  37     properties:
  38       link-name:
  39         description:
  40           This property corresponds to the name of the BE dai-link to which
  41           we are going to update parameters in this node.
  42         items:
  43           enum:
  44             - DPTX_BE
  45             - ETDM1_IN_BE
  46             - ETDM2_IN_BE
  47             - ETDM1_OUT_BE
  48             - ETDM2_OUT_BE
  49             - ETDM3_OUT_BE
  50             - PCM1_BE
  51
  52       codec:
  53         description: Holds subnode which indicates codec dai.
  54         type: object
  55         additionalProperties: false
  56         properties:
  57           sound-dai:
  58             minItems: 1
  59             maxItems: 2
  60         required:
  61           - sound-dai
  62
  63       dai-format:
  64         description: audio format.
  65         items:
  66           enum:
  67             - i2s
  68             - right_j
  69             - left_j
  70             - dsp_a
  71             - dsp_b
  72
  73       mediatek,clk-provider:
  74         $ref: /schemas/types.yaml#/definitions/string
  75         description: Indicates dai-link clock master.
  76         items:
  77           enum:
  78             - cpu
  79             - codec
  80
  81     additionalProperties: false
  82
  83     required:
  84       - link-name
  85
  86 unevaluatedProperties: false
  87
  88 required:
  89   - compatible
  90   - mediatek,platform
  91
  92 examples:
  93   - |
  94     sound {
  95         compatible = "mediatek,mt8188-mt6359-evb";
  96         model = "MT6359-EVB";
  97         mediatek,platform = <&afe>;
  98         pinctrl-names = "default";
  99         pinctrl-0 = <&aud_pins_default>;
 100         audio-routing =
 101             "Headphone", "Headphone L",
 102             "Headphone", "Headphone R",
 103             "AIN1", "Headset Mic";
 104         dai-link-0 {
 105             link-name = "ETDM3_OUT_BE";
 106             dai-format = "i2s";
 107             mediatek,clk-provider = "cpu";
 108             codec {
 109                 sound-dai = <&hdmi0>;
 110             };
 111         };
 112     };
 113
 114 ...