Documentation / devicetree / bindings / sound / amlogic,axg-sound-card.yaml


Based on kernel version 6.8. Page generated on 2024-03-11 21:26 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/amlogic,axg-sound-card.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic AXG sound card

maintainers:
  - Jerome Brunet <jbrunet@baylibre.com>

allOf:
  - $ref: sound-card-common.yaml#

properties:
  compatible:
    const: amlogic,axg-sound-card

  audio-aux-devs:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    description: list of auxiliary devices

  audio-widgets:
    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
    description:
      A list off component DAPM widget. Each entry is a pair of strings,
      the first being the widget type, the second being the widget name

patternProperties:
  "^dai-link-[0-9]+$":
    type: object
    additionalProperties: false
    description:
      Container for dai-link level properties and the CODEC sub-nodes.
      There should be at least one (and probably more) subnode of this type

    properties:
      dai-format:
        $ref: /schemas/types.yaml#/definitions/string
        enum: [ i2s, left-j, dsp_a ]

      dai-tdm-slot-num:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          Number of slots in use. If omitted, slot number is set to
          accommodate the largest mask provided.
        maximum: 32

      dai-tdm-slot-width:
        $ref: /schemas/types.yaml#/definitions/uint32
        description: Width in bits for each slot
        enum: [ 8, 16, 20, 24, 32 ]
        default: 32

      mclk-fs:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          Multiplication factor between the frame rate and master clock
          rate

      sound-dai:
        maxItems: 1
        description: phandle of the CPU DAI

    patternProperties:
      "^dai-tdm-slot-(t|r)x-mask-[0-3]$":
        $ref: /schemas/types.yaml#/definitions/uint32-array
        minItems: 1
        maxItems: 32
        description:
          Transmit and receive cpu slot masks of each TDM lane
          When omitted, mask is assumed to have to no slots. A valid
          interface must have at least one slot, so at least one these
          mask should be provided with an enabled slot.
 
      "^codec(-[0-9]+)?$":
        type: object
        additionalProperties: false
        description:
          dai-link representing backend links should have at least one subnode.
          One subnode for each codec of the dai-link. dai-link representing
          frontend links have no codec, therefore have no subnodes

        properties:
          sound-dai:
            maxItems: 1
            description: phandle of the codec DAI

        patternProperties:
          "^dai-tdm-slot-(t|r)x-mask$":
            $ref: /schemas/types.yaml#/definitions/uint32-array
            minItems: 1
            maxItems: 32
            description: Transmit and receive codec slot masks

        required:
          - sound-dai

    required:
      - sound-dai

required:
  - dai-link-0

unevaluatedProperties: false

examples:
  - |
    sound {
        compatible = "amlogic,axg-sound-card";
        model = "AXG-S420";
        audio-aux-devs = <&tdmin_a>, <&tdmout_c>;
        audio-widgets = "Line", "Lineout",
                        "Line", "Linein",
                        "Speaker", "Speaker1 Left",
                        "Speaker", "Speaker1 Right",
                        "Speaker", "Speaker2 Left",
                        "Speaker", "Speaker2 Right";
        audio-routing = "TDMOUT_C IN 0", "FRDDR_A OUT 2",
                        "SPDIFOUT IN 0", "FRDDR_A OUT 3",
                        "TDM_C Playback", "TDMOUT_C OUT",
                        "TDMIN_A IN 2", "TDM_C Capture",
                        "TDMIN_A IN 5", "TDM_C Loopback",
                        "TODDR_A IN 0", "TDMIN_A OUT",
                        "Lineout", "Lineout AOUTL",
                        "Lineout", "Lineout AOUTR",
                        "Speaker1 Left", "SPK1 OUT_A",
                        "Speaker2 Left", "SPK2 OUT_A",
                        "Speaker1 Right", "SPK1 OUT_B",
                        "Speaker2 Right", "SPK2 OUT_B",
                        "Linein AINL", "Linein",
                        "Linein AINR", "Linein";
 
        dai-link-0 {
            sound-dai = <&frddr_a>;
        };
 
        dai-link-1 {
            sound-dai = <&toddr_a>;
        };
 
        dai-link-2 {
            sound-dai = <&tdmif_c>;
            dai-format = "i2s";
            dai-tdm-slot-tx-mask-2 = <1 1>;
            dai-tdm-slot-tx-mask-3 = <1 1>;
            dai-tdm-slot-rx-mask-1 = <1 1>;
            mclk-fs = <256>;
 
            codec-0 {
                sound-dai = <&lineout>;
            };
 
            codec-1 {
                sound-dai = <&speaker_amp1>;
            };
 
            codec-2 {
                sound-dai = <&speaker_amp2>;
            };
 
            codec-3 {
                sound-dai = <&linein>;
            };
        };
 
        dai-link-3 {
            sound-dai = <&spdifout>;
 
            codec {
                sound-dai = <&spdif_dit>;
            };
        };
    };