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

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/adi,adau7118.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/adi,adau7118.yaml
Extension
.yaml
Size
2195 bytes
Lines
88
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/adi,adau7118.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter

maintainers:
  - Nuno Sá <nuno.sa@analog.com>

description: |
  Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter over I2C or HW
  standalone mode.
  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU7118.pdf

allOf:
  - $ref: dai-common.yaml#

properties:
  compatible:
    enum:
      - adi,adau7118

  reg:
    maxItems: 1

  "#sound-dai-cells":
    const: 0

  iovdd-supply:
    description: Digital Input/Output Power Supply.

  dvdd-supply:
    description: Internal Core Digital Power Supply.

  adi,decimation-ratio:
    description: |
      This property set's the decimation ratio of PDM to PCM audio data.
    $ref: /schemas/types.yaml#/definitions/uint32
    enum: [64, 32, 16]
    default: 64

  adi,pdm-clk-map:
    description: |
      The ADAU7118 has two PDM clocks for the four Inputs. Each input must be
      assigned to one of these two clocks. This property set's the mapping
      between the clocks and the inputs.
    $ref: /schemas/types.yaml#/definitions/uint32-array
    minItems: 4
    maxItems: 4
    items:
      maximum: 1
    default: [0, 0, 1, 1]

required:
  - "#sound-dai-cells"
  - compatible
  - iovdd-supply
  - dvdd-supply

unevaluatedProperties: false

examples:
  - |
    i2c {
        /* example with i2c support */
        #address-cells = <1>;
        #size-cells = <0>;
        adau7118_codec: audio-codec@14 {

Annotation

Implementation Notes