samsung,aries-wm8994.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,aries-wm8994.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung Aries audio complex with WM8994 codec
    8 
    9 maintainers:
   10   - Jonathan Bakker <xc-racer2@live.ca>
   11 
   12 properties:
   13   compatible:
   14     enum:
   15       # With FM radio and modem master
   16       - samsung,aries-wm8994
   17       # Without FM radio and modem slave
   18       - samsung,fascinate4g-wm8994
   19 
   20   model:
   21     $ref: /schemas/types.yaml#/definitions/string
   22     description: The user-visible name of this sound complex.
   23 
   24   cpu:
   25     type: object
   26     properties:
   27       sound-dai:
   28         minItems: 2
   29         maxItems: 2
   30         description: |
   31           phandles to the I2S controller and bluetooth codec,
   32           in that order
   33     required:
   34       - sound-dai
   35 
   36   codec:
   37     type: object
   38     properties:
   39       sound-dai:
   40         maxItems: 1
   41         description: phandle to the WM8994 CODEC
   42     required:
   43       - sound-dai
   44 
   45   samsung,audio-routing:
   46     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
   47     description: |
   48       List of the connections between audio
   49       components;  each entry is a pair of strings, the first being the
   50       connection's sink, the second being the connection's source;
   51       valid names for sources and sinks are the WM8994's pins (as
   52       documented in its binding), and the jacks on the board -
   53       For samsung,aries-wm8994: HP, SPK, RCV, LINE, Main Mic, Headset Mic,
   54       or FM In
   55       For samsung,fascinate4g-wm8994: HP, SPK, RCV, LINE, Main Mic,
   56       or HeadsetMic
   57 
   58   extcon:
   59     description: Extcon phandle for dock detection
   60 
   61   main-micbias-supply:
   62     description: Supply for the micbias on the main mic
   63 
   64   headset-micbias-supply:
   65     description: Supply for the micbias on the headset mic
   66 
   67   earpath-sel-gpios:
   68     maxItems: 1
   69     description: GPIO for switching between tv-out and mic paths
   70 
   71   headset-detect-gpios:
   72     maxItems: 1
   73     description: GPIO for detection of headset insertion
   74 
   75   headset-key-gpios:
   76     maxItems: 1
   77     description: GPIO for detection of headset key press
   78 
   79   io-channels:
   80     maxItems: 1
   81     description: IO channel to read micbias voltage for headset detection
   82 
   83   io-channel-names:
   84     const: headset-detect
   85 
   86 required:
   87   - compatible
   88   - model
   89   - cpu
   90   - codec
   91   - samsung,audio-routing
   92   - extcon
   93   - main-micbias-supply
   94   - headset-micbias-supply
   95   - earpath-sel-gpios
   96   - headset-detect-gpios
   97   - headset-key-gpios
   98 
   99 additionalProperties: false
  100 
  101 examples:
  102   - |
  103     #include <dt-bindings/gpio/gpio.h>
  104 
  105     sound {
  106         compatible = "samsung,fascinate4g-wm8994";
  107 
  108         model = "Fascinate4G";
  109 
  110         extcon = <&fsa9480>;
  111 
  112         main-micbias-supply = <&main_micbias_reg>;
  113         headset-micbias-supply = <&headset_micbias_reg>;
  114 
  115         earpath-sel-gpios = <&gpj2 6 GPIO_ACTIVE_HIGH>;
  116 
  117         io-channels = <&adc 3>;
  118         io-channel-names = "headset-detect";
  119         headset-detect-gpios = <&gph0 6 GPIO_ACTIVE_HIGH>;
  120         headset-key-gpios = <&gph3 6 GPIO_ACTIVE_HIGH>;
  121 
  122         samsung,audio-routing =
  123             "HP", "HPOUT1L",
  124             "HP", "HPOUT1R",
  125 
  126             "SPK", "SPKOUTLN",
  127             "SPK", "SPKOUTLP",
  128 
  129             "RCV", "HPOUT2N",
  130             "RCV", "HPOUT2P",
  131 
  132             "LINE", "LINEOUT2N",
  133             "LINE", "LINEOUT2P",
  134 
  135             "IN1LP", "Main Mic",
  136             "IN1LN", "Main Mic",
  137 
  138             "IN1RP", "Headset Mic",
  139             "IN1RN", "Headset Mic";
  140 
  141         pinctrl-names = "default";
  142         pinctrl-0 = <&headset_det &earpath_sel>;
  143 
  144         cpu {
  145             sound-dai = <&i2s0>, <&bt_codec>;
  146         };
  147 
  148         codec {
  149             sound-dai = <&wm8994>;
  150         };
  151     };

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