samsung,midas-audio.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/samsung,midas-audio.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung Midas audio complex with WM1811 codec
    8 
    9 maintainers:
   10   - Sylwester Nawrocki <s.nawrocki@samsung.com>
   11 
   12 properties:
   13   compatible:
   14     const: samsung,midas-audio
   15 
   16   model:
   17     $ref: /schemas/types.yaml#/definitions/string
   18     description: The user-visible name of this sound complex.
   19 
   20   cpu:
   21     type: object
   22     properties:
   23       sound-dai:
   24         maxItems: 1
   25         description: phandle to the I2S controller
   26     required:
   27       - sound-dai
   28 
   29   codec:
   30     type: object
   31     properties:
   32       sound-dai:
   33         maxItems: 1
   34         description: phandle to the WM1811 CODEC
   35     required:
   36       - sound-dai
   37 
   38   samsung,audio-routing:
   39     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
   40     description: |
   41       List of the connections between audio components; each entry is
   42       a pair of strings, the first being the connection's sink, the second
   43       being the connection's source; valid names for sources and sinks are
   44       the WM1811's pins (as documented in its binding), and the jacks
   45       on the board: HP, SPK, Main Mic, Sub Mic, Headset Mic.
   46 
   47   mic-bias-supply:
   48     description: Supply for the micbias on the Main microphone
   49 
   50   submic-bias-supply:
   51     description: Supply for the micbias on the Sub microphone
   52 
   53   fm-sel-gpios:
   54     maxItems: 1
   55     description: GPIO pin for FM selection
   56 
   57   lineout-sel-gpios:
   58     maxItems: 1
   59     description: GPIO pin for line out selection
   60 
   61 required:
   62   - compatible
   63   - model
   64   - cpu
   65   - codec
   66   - samsung,audio-routing
   67   - mic-bias-supply
   68   - submic-bias-supply
   69 
   70 additionalProperties: false
   71 
   72 examples:
   73   - |
   74     #include <dt-bindings/gpio/gpio.h>
   75 
   76     sound {
   77         compatible = "samsung,midas-audio";
   78         model = "Midas";
   79 
   80         fm-sel-gpios = <&gpaa0 3 GPIO_ACTIVE_HIGH>;
   81 
   82         mic-bias-supply = <&mic_bias_reg>;
   83         submic-bias-supply = <&submic_bias_reg>;
   84 
   85         samsung,audio-routing =
   86                 "HP", "HPOUT1L",
   87                 "HP", "HPOUT1R",
   88 
   89                 "SPK", "SPKOUTLN",
   90                 "SPK", "SPKOUTLP",
   91                 "SPK", "SPKOUTRN",
   92                 "SPK", "SPKOUTRP",
   93 
   94                 "RCV", "HPOUT2N",
   95                 "RCV", "HPOUT2P",
   96 
   97                 "IN1LP", "Main Mic",
   98                 "IN1LN", "Main Mic",
   99                 "IN1RP", "Sub Mic",
  100                 "IN1LP", "Sub Mic";
  101 
  102         cpu {
  103             sound-dai = <&i2s0>;
  104         };
  105 
  106         codec {
  107             sound-dai = <&wm1811>;
  108         };
  109 
  110     };

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sys/contrib/device-tree/Bindings/sound/samsung,midas-audio.yaml