Documentation/devicetree/bindings/sound/adi,adau7118.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/adi,adau7118.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7
   8 title: Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter
   9
  10 maintainers:
  11   - Nuno Sá <nuno.sa@analog.com>
  12
  13 description: |
  14   Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter over I2C or HW
  15   standalone mode.
  16   https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU7118.pdf
  17
  18 properties:
  19   compatible:
  20     enum:
  21       - adi,adau7118
  22
  23   reg:
  24     maxItems: 1
  25
  26   "#sound-dai-cells":
  27     const: 0
  28
  29   iovdd-supply:
  30     description: Digital Input/Output Power Supply.
  31
  32   dvdd-supply:
  33     description: Internal Core Digital Power Supply.
  34
  35   adi,decimation-ratio:
  36     description: |
  37       This property set's the decimation ratio of PDM to PCM audio data.
  38     allOf:
  39       - $ref: /schemas/types.yaml#/definitions/uint32
  40       - enum: [64, 32, 16]
  41         default: 64
  42
  43   adi,pdm-clk-map:
  44     description: |
  45       The ADAU7118 has two PDM clocks for the four Inputs. Each input must be
  46       assigned to one of these two clocks. This property set's the mapping
  47       between the clocks and the inputs.
  48     allOf:
  49       - $ref: /schemas/types.yaml#/definitions/uint32-array
  50       - minItems: 4
  51         maxItems: 4
  52         items:
  53           maximum: 1
  54         default: [0, 0, 1, 1]
  55
  56 required:
  57   - "#sound-dai-cells"
  58   - compatible
  59   - iovdd-supply
  60   - dvdd-supply
  61
  62 examples:
  63   - |
  64     i2c {
  65         /* example with i2c support */
  66         #address-cells = <1>;
  67         #size-cells = <0>;
  68         adau7118_codec: audio-codec@14 {
  69                 compatible = "adi,adau7118";
  70                 reg = <0x14>;
  71                 #sound-dai-cells = <0>;
  72                 iovdd-supply = <&supply>;
  73                 dvdd-supply = <&supply>;
  74                 adi,pdm-clk-map = <1 1 0 0>;
  75                 adi,decimation-ratio = <16>;
  76         };
  77     };
  78
  79     /* example with hw standalone mode */
  80     adau7118_codec_hw: adau7118-codec-hw {
  81             compatible = "adi,adau7118";
  82             #sound-dai-cells = <0>;
  83             iovdd-supply = <&supply>;
  84             dvdd-supply = <&supply>;
  85     };