wlf,wm8962.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/wlf,wm8962.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Wolfson WM8962 Ultra-Low Power Stereo CODEC
    8 
    9 maintainers:
   10   - patches@opensource.cirrus.com
   11 
   12 properties:
   13   compatible:
   14     const: wlf,wm8962
   15 
   16   reg:
   17     maxItems: 1
   18 
   19   clocks:
   20     maxItems: 1
   21 
   22   interrupts:
   23     maxItems: 1
   24 
   25   "#sound-dai-cells":
   26     const: 0
   27 
   28   AVDD-supply:
   29     description: Analogue supply.
   30 
   31   CPVDD-supply:
   32     description: Charge pump power supply.
   33 
   34   DBVDD-supply:
   35     description: Digital Buffer Supply.
   36 
   37   DCVDD-supply:
   38     description: Digital Core Supply.
   39 
   40   MICVDD-supply:
   41     description: Microphone bias amp supply.
   42 
   43   PLLVDD-supply:
   44     description: PLL Supply
   45 
   46   SPKVDD1-supply:
   47     description: Supply for left speaker drivers.
   48 
   49   SPKVDD2-supply:
   50     description: Supply for right speaker drivers.
   51 
   52   spk-mono:
   53     $ref: /schemas/types.yaml#/definitions/flag
   54     description:
   55       If present, the SPK_MONO bit of R51 (Class D Control 2) gets set,
   56       indicating that the speaker is in mono mode.
   57 
   58   mic-cfg:
   59     $ref: /schemas/types.yaml#/definitions/uint32
   60     description:
   61       Default register value for R48 (Additional Control 4).
   62       If absent, the default should be the register default.
   63 
   64   gpio-cfg:
   65     $ref: /schemas/types.yaml#/definitions/uint32-array
   66     minItems: 6
   67     maxItems: 6
   68     description:
   69       A list of GPIO configuration register values.  If absent, no
   70       configuration of these registers is performed.  Note that only values
   71       within [0x0, 0xffff] are valid.  Any other value is regarded as setting
   72       the GPIO register to its reset value 0x0.
   73 
   74   port:
   75     $ref: audio-graph-port.yaml#
   76     unevaluatedProperties: false
   77 
   78 required:
   79   - compatible
   80   - reg
   81   - AVDD-supply
   82   - CPVDD-supply
   83   - DBVDD-supply
   84   - DCVDD-supply
   85   - MICVDD-supply
   86   - PLLVDD-supply
   87   - SPKVDD1-supply
   88   - SPKVDD2-supply
   89 
   90 additionalProperties: false
   91 
   92 examples:
   93   - |
   94     #include <dt-bindings/clock/imx6qdl-clock.h>
   95 
   96     i2c {
   97           #address-cells = <1>;
   98           #size-cells = <0>;
   99 
  100           wm8962: codec@1a {
  101                   compatible = "wlf,wm8962";
  102                   reg = <0x1a>;
  103                   clocks = <&clks IMX6QDL_CLK_CKO>;
  104                   DCVDD-supply = <&reg_audio>;
  105                   DBVDD-supply = <&reg_audio>;
  106                   AVDD-supply = <&reg_audio>;
  107                   CPVDD-supply = <&reg_audio>;
  108                   MICVDD-supply = <&reg_audio>;
  109                   PLLVDD-supply = <&reg_audio>;
  110                   SPKVDD1-supply = <&reg_audio>;
  111                   SPKVDD2-supply = <&reg_audio>;
  112                   gpio-cfg = <
  113                           0x0000 /* 0:Default */
  114                           0x0000 /* 1:Default */
  115                           0x0013 /* 2:FN_DMICCLK */
  116                           0x0000 /* 3:Default */
  117                           0x8014 /* 4:FN_DMICCDAT */
  118                           0x0000 /* 5:Default */
  119                   >;
  120           };
  121     };

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