Documentation/devicetree/bindings/sound/qcom,pm4125-codec.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/qcom,pm4125-codec.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/qcom,pm4125-codec.yaml
Extension
.yaml
Size
3256 bytes
Lines
135
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.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,pm4125-codec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm PM4125 Audio Codec

maintainers:
  - Alexey Klimov <alexey.klimov@linaro.org>

description:
  The audio codec IC found on Qualcomm PM4125/PM2250 PMIC.
  It has RX and TX Soundwire slave devices.

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

properties:
  compatible:
    const: qcom,pm4125-codec

  reg:
    description:
      Specifies the SPMI base address for the audio codec peripherals. The
      address space contains reset register needed to power-on the codec.
    maxItems: 1

  reg-names:
    maxItems: 1

  vdd-io-supply:
    description: A reference to the 1.8V I/O supply

  vdd-cp-supply:
    description: A reference to the charge pump I/O supply

  vdd-mic-bias-supply:
    description: A reference to the 3.3V mic bias supply

  vdd-pa-vpos-supply:
    description: A reference to the PA VPOS supply

  qcom,tx-device:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    description: A reference to Soundwire tx device phandle

  qcom,rx-device:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    description: A reference to Soundwire rx device phandle

  qcom,micbias1-microvolt:
    description: micbias1 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,micbias2-microvolt:
    description: micbias2 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,micbias3-microvolt:
    description: micbias3 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,mbhc-buttons-vthreshold-microvolt:
    description:
      Array of 8 Voltage threshold values corresponding to headset
      button0 - button7

Annotation

Implementation Notes