Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.yaml
Extension
.yaml
Size
1948 bytes
Lines
77
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-wm9712.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NVIDIA Tegra audio complex with WM9712 CODEC

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

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

properties:
  compatible:
    items:
      - pattern: '^[a-z0-9]+,tegra-audio-wm9712([-_][a-z0-9]+)+$'
      - const: nvidia,tegra-audio-wm9712

  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
        - LineIn
        - Mic

        # CODEC Pins
        - MONOOUT
        - HPOUTL
        - HPOUTR
        - LOUT2
        - ROUT2
        - OUT3
        - LINEINL
        - LINEINR
        - PHONE
        - PCBEEP
        - MIC1
        - MIC2
        - Mic Bias

required:
  - nvidia,ac97-controller

unevaluatedProperties: false

examples:
  - |
    sound {
        compatible = "nvidia,tegra-audio-wm9712-colibri_t20",
                     "nvidia,tegra-audio-wm9712";
        nvidia,model = "Toradex Colibri T20";

        nvidia,audio-routing =
                "Headphone", "HPOUTL",
                "Headphone", "HPOUTR",
                "LineIn", "LINEINL",
                "LineIn", "LINEINR",
                "Mic", "MIC1";

Annotation

Implementation Notes