FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/wlf,arizona.yaml

     # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/sound/wlf,arizona.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Cirrus Logic/Wolfson Microelectronics Arizona class audio SoCs
     
     maintainers:
      - patches@opensource.cirrus.com
    
    description: |
      These devices are audio SoCs with extensive digital capabilities and a range
      of analogue I/O.
    
      This document lists sound specific bindings, see the primary binding
      document ../mfd/arizona.yaml
    
    properties:
      '#sound-dai-cells':
        description:
          The first cell indicating the audio interface.
        const: 1
    
      wlf,inmode:
        description:
          A list of INn_MODE register values, where n is the number of input
          signals. Valid values are 0 (Differential), 1 (Single-ended) and
          2 (Digital Microphone). If absent, INn_MODE registers set to 0 by
          default.  If present, values must be specified less than or equal
          to the number of input signals. If values less than the number of
          input signals, elements that have not been specified are set to 0 by
          default. Entries are <IN1, IN2, IN3, IN4> (wm5102, wm5110, wm8280,
          wm8997) and <IN1A, IN2A, IN1B, IN2B> (wm8998, wm1814)
        $ref: /schemas/types.yaml#/definitions/uint32-array
        minItems: 1
        maxItems: 4
        items:
          minimum: 0
          maximum: 2
          default: 0
    
      wlf,out-mono:
        description:
          A list of boolean values indicating whether each output is mono
          or stereo. Position within the list indicates the output affected
          (eg. First entry in the list corresponds to output 1). A non-zero
          value indicates a mono output. If present, the number of values
          should be less than or equal to the number of outputs, if less values
          are supplied the additional outputs will be treated as stereo.
        $ref: /schemas/types.yaml#/definitions/uint32-array
        minItems: 1
        maxItems: 6
        items:
          minimum: 0
          maximum: 1
          default: 0
    
      wlf,dmic-ref:
        description:
          DMIC reference voltage source for each input, can be selected from
          either MICVDD or one of the MICBIAS's, defines (ARIZONA_DMIC_xxxx)
          are provided in dt-bindings/mfd/arizona.h. If present, the number
          of values should be less than or equal to the number of inputs,
          unspecified inputs will use the chip default.
        $ref: /schemas/types.yaml#/definitions/uint32-array
        minItems: 1
        maxItems: 4
        items:
          minimum: 0
          maximum: 3
          default: 0
    
      wlf,max-channels-clocked:
        description:
          The maximum number of channels to be clocked on each AIF, useful for
          I2S systems with multiple data lines being mastered.  Specify one
          cell for each AIF to be configured, specify zero for AIFs that should
          be handled normally.  If present, number of cells must be less than
          or equal to the number of AIFs. If less than the number of AIFs, for
          cells that have not been specified the corresponding AIFs will be
          treated as default setting.
        $ref: /schemas/types.yaml#/definitions/uint32-array
        minItems: 1
        maxItems: 3
        items:
          default: 0
    
      wlf,spk-fmt:
        description:
          PDM speaker data format, must contain 2 cells (OUT5 and OUT6).  See
          the datasheet for values.  The second cell is ignored for codecs that
          do not have OUT6 (wm5102, wm8997, wm8998, wm1814)
        $ref: /schemas/types.yaml#/definitions/uint32-array
        minItems: 2
        maxItems: 2
    
      wlf,spk-mute:
        description:
         PDM speaker mute setting, must contain 2 cells (OUT5 and OUT6).  See
         the datasheet for values.  The second cell is ignored for codecs that
         do not have OUT6 (wm5102, wm8997, wm8998, wm1814)
       $ref: /schemas/types.yaml#/definitions/uint32-array
       minItems: 2
       maxItems: 2
   
     wlf,out-volume-limit:
       description:
         The volume limit value that should be applied to each output
         channel. See the datasheet for exact values. Channels are specified
         in the order OUT1L, OUT1R, OUT2L, OUT2R, etc.
       $ref: /schemas/types.yaml#/definitions/uint32-array
       minItems: 1
       maxItems: 12
   
   additionalProperties: true

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