Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.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,mt8365-mt6357.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MediaTek MT8365 ASoC sound card
   8
   9 maintainers:
  10   - Alexandre Mergnat <amergnat@baylibre.com>
  11
  12 properties:
  13   compatible:
  14     const: mediatek,mt8365-mt6357
  15
  16   pinctrl-names:
  17     minItems: 1
  18     items:
  19       - const: default
  20       - const: dmic
  21       - const: miso_off
  22       - const: miso_on
  23       - const: mosi_off
  24       - const: mosi_on
  25
  26   mediatek,platform:
  27     $ref: /schemas/types.yaml#/definitions/phandle
  28     description: The phandle of MT8365 ASoC platform.
  29
  30 patternProperties:
  31   "^dai-link-[0-9]+$":
  32     type: object
  33     description:
  34       Container for dai-link level properties and CODEC sub-nodes.
  35
  36     properties:
  37       codec:
  38         type: object
  39         description: Holds subnode which indicates codec dai.
  40
  41         properties:
  42           sound-dai:
  43             maxItems: 1
  44             description: phandle of the codec DAI
  45
  46         additionalProperties: false
  47
  48       link-name:
  49         description: Indicates dai-link name and PCM stream name
  50         enum:
  51           - I2S_IN_BE
  52           - I2S_OUT_BE
  53           - PCM1_BE
  54           - PDM1_BE
  55           - PDM2_BE
  56           - PDM3_BE
  57           - PDM4_BE
  58           - SPDIF_IN_BE
  59           - SPDIF_OUT_BE
  60           - TDM_IN_BE
  61           - TDM_OUT_BE
  62
  63       sound-dai:
  64         maxItems: 1
  65         description: phandle of the CPU DAI
  66
  67     required:
  68       - link-name
  69       - sound-dai
  70
  71     additionalProperties: false
  72
  73 required:
  74   - compatible
  75   - pinctrl-names
  76   - mediatek,platform
  77
  78 additionalProperties: false
  79
  80 examples:
  81   - |
  82     sound {
  83         compatible = "mediatek,mt8365-mt6357";
  84         pinctrl-names = "default",
  85                         "dmic",
  86                         "miso_off",
  87                         "miso_on",
  88                         "mosi_off",
  89                         "mosi_on";
  90         pinctrl-0 = <&aud_default_pins>;
  91         pinctrl-1 = <&aud_dmic_pins>;
  92         pinctrl-2 = <&aud_miso_off_pins>;
  93         pinctrl-3 = <&aud_miso_on_pins>;
  94         pinctrl-4 = <&aud_mosi_off_pins>;
  95         pinctrl-5 = <&aud_mosi_on_pins>;
  96         mediatek,platform = <&afe>;
  97
  98         /* hdmi interface */
  99         dai-link-0 {
 100             link-name = "I2S_OUT_BE";
 101             sound-dai = <&afe>;
 102
 103             codec {
 104                 sound-dai = <&it66121hdmitx>;
 105             };
 106         };
 107     };