Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.yaml
Extension
.yaml
Size
2477 bytes
Lines
94
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/nvidia,tegra-audio-wm8903.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NVIDIA Tegra audio complex with WM8903 CODEC

maintainers:
  - Jon Hunter <jonathanh@nvidia.com>
  - Thierry Reding <thierry.reding@gmail.com>

allOf:
  - $ref: nvidia,tegra-audio-common.yaml#

properties:
  compatible:
    oneOf:
      - items:
          - pattern: '^[a-z0-9]+,tegra-audio-wm8903(-[a-z0-9]+)+$'
          - const: nvidia,tegra-audio-wm8903
      - items:
          - pattern: ad,tegra-audio-plutux
          - const: nvidia,tegra-audio-wm8903

  nvidia,audio-routing:
    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
    description: |
      A list of the connections between audio components.
      Each entry is a pair of strings, the first being the connection's sink,
      the second being the connection's source. Valid names for sources and
      sinks are the pins (documented in the binding document),
      and the jacks on the board.
    minItems: 2
    items:
      enum:
        # Board Connectors
        - Headphone Jack
        - Int Spk
        - Mic Jack
        - Int Mic

        # CODEC Pins
        - IN1L
        - IN1R
        - IN2L
        - IN2R
        - IN3L
        - IN3R
        - DMICDAT
        - HPOUTL
        - HPOUTR
        - LINEOUTL
        - LINEOUTR
        - LOP
        - LON
        - ROP
        - RON
        - MICBIAS

required:
  - nvidia,i2s-controller

unevaluatedProperties: false

examples:
  - |
    sound {
        compatible = "nvidia,tegra-audio-wm8903-harmony",
                     "nvidia,tegra-audio-wm8903";

Annotation

Implementation Notes