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


Based on kernel version 6.9. Page generated on 2024-05-14 10:02 EST.

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

title: Common properties for NVIDIA Tegra audio complexes

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

properties:
  clocks:
    items:
      - description: PLL A clock
      - description: PLL A OUT0 clock
      - description: The Tegra cdev1/extern1 clock, which feeds the card's mclk

  clock-names:
    items:
      - const: pll_a
      - const: pll_a_out0
      - const: mclk

  nvidia,model:
    $ref: /schemas/types.yaml#/definitions/string
    description: The user-visible name of this sound complex.

  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.

  nvidia,ac97-controller:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of the AC97 controller

  nvidia,i2s-controller:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of the Tegra I2S controller

  nvidia,audio-codec:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of audio codec

  nvidia,spkr-en-gpios:
    maxItems: 1
    description: The GPIO that enables the speakers

  nvidia,hp-mute-gpios:
    maxItems: 1
    description: The GPIO that mutes the headphones

  nvidia,hp-det-gpios:
    maxItems: 1
    description: The GPIO that detect headphones are plugged in

  nvidia,mic-det-gpios:
    maxItems: 1
    description: The GPIO that detect microphone is plugged in

  nvidia,ear-sel-gpios:
    maxItems: 1
    description: The GPIO that switch between the microphones

  nvidia,int-mic-en-gpios:
    maxItems: 1
    description: The GPIO that enables the internal microphone

  nvidia,ext-mic-en-gpios:
    maxItems: 1
    description: The GPIO that enables the external microphone

  nvidia,headset:
    type: boolean
    description: The Mic Jack represents state of the headset microphone pin

  nvidia,coupled-mic-hp-det:
    type: boolean
    description: The Mic detect GPIO is viable only if HP detect GPIO is active

additionalProperties: true