cirrus,madera.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/cirrus,madera.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Cirrus Logic Madera class audio CODECs
    8 
    9 maintainers:
   10   - patches@opensource.cirrus.com
   11 
   12 description: |
   13   This describes audio configuration bindings for these codecs.
   14 
   15   See also the core bindings for the parent MFD driver:
   16 
   17     Documentation/devicetree/bindings/mfd/cirrus,madera.yaml
   18 
   19   and defines for values used in these bindings:
   20 
   21     include/dt-bindings/sound/madera.h
   22 
   23   The properties are all contained in the parent MFD node.
   24 
   25 properties:
   26   '#sound-dai-cells':
   27     description:
   28       The first cell indicating the audio interface.
   29     const: 1
   30 
   31   cirrus,inmode:
   32     description:
   33       A list of input mode settings for each input. A maximum
   34       of 24 cells, with four cells per input in the order INnAL,
   35       INnAR INnBL INnBR.  For non-muxed inputs the first two cells
   36       for that input set the mode for the left and right channel
   37       and the second two cells must be 0.  For muxed inputs the
   38       first two cells for that input set the mode of the left and
   39       right A inputs and the second two cells set the mode of the
   40       left and right B inputs.  Valid mode values are one of the
   41       MADERA_INMODE_xxx. If the array is shorter than the number
   42       of inputs the unspecified inputs default to MADERA_INMODE_DIFF.
   43     $ref: /schemas/types.yaml#/definitions/uint32-array
   44     minItems: 1
   45     maxItems: 24
   46     items:
   47       minimum: 0
   48       maximum: 1
   49       default: 0
   50 
   51   cirrus,out-mono:
   52     description:
   53       Mono bit for each output, maximum of six cells if the array
   54       is shorter outputs will be set to stereo.
   55     $ref: /schemas/types.yaml#/definitions/uint32-array
   56     minItems: 1
   57     maxItems: 6
   58     items:
   59       minimum: 0
   60       maximum: 1
   61       default: 0
   62 
   63   cirrus,dmic-ref:
   64     description: |
   65       Indicates how the MICBIAS pins have been externally connected
   66       to DMICs on each input, one cell per input.
   67 
   68         <IN1 IN2 IN3 ...>
   69 
   70       A value of 0 indicates MICVDD and is the default,
   71       other values depend on the codec: For CS47L35 one of the
   72       CS47L35_DMIC_REF_xxx values For all other codecs one of
   73       the MADERA_DMIC_REF_xxx values Also see the datasheet for a
   74       description of the INn_DMIC_SUP field.
   75     $ref: /schemas/types.yaml#/definitions/uint32-array
   76     minItems: 1
   77     maxItems: 6
   78     items:
   79       minimum: 0
   80       maximum: 3
   81       default: 0
   82 
   83   cirrus,max-channels-clocked:
   84     description:
   85       Maximum number of channels that I2S clocks will be generated
   86       for. Useful when clock master for systems where the I2S bus
   87       has multiple data lines.  One cell for each AIF, use a value
   88       of zero for AIFs that should be handled normally.
   89     $ref: /schemas/types.yaml#/definitions/uint32-array
   90     minItems: 1
   91     maxItems: 4
   92     items:
   93       default: 0
   94 
   95   cirrus,pdm-fmt:
   96     description:
   97       PDM speaker data format, must contain 2 cells (OUT5 and
   98       OUT6). See the PDM_SPKn_FMT field in the datasheet for a
   99       description of this value. The second cell is ignored for
  100       codecs that do not have OUT6.
  101     $ref: /schemas/types.yaml#/definitions/uint32-array
  102     minItems: 2
  103     maxItems: 2
  104 
  105   cirrus,pdm-mute:
  106     description: |
  107       PDM mute format, must contain 2 cells (OUT5 and OUT6). See the
  108       PDM_SPKn_CTRL_1 register in the datasheet for a description
  109       of this value.  The second cell is ignored for codecs that
  110       do not have OUT6.
  111     $ref: /schemas/types.yaml#/definitions/uint32-array
  112     minItems: 2
  113     maxItems: 2
  114 
  115 additionalProperties: true

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