Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml
Extension
.yaml
Size
6387 bytes
Lines
216
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/cirrus,cs35l41.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Cirrus Logic CS35L41 Speaker Amplifier

maintainers:
  - david.rhodes@cirrus.com

description: |
  CS35L41 is a boosted mono Class D amplifier with DSP
  speaker protection and equalization

properties:
  compatible:
    enum:
      - cirrus,cs35l40
      - cirrus,cs35l41

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  '#sound-dai-cells':
    description:
      The first cell indicating the audio interface.
    const: 1

  reset-gpios:
    maxItems: 1

  VA-supply:
    description: voltage regulator phandle for the VA supply

  VP-supply:
    description: voltage regulator phandle for the VP supply

  cirrus,boost-peak-milliamp:
    description:
      Boost-converter peak current limit in mA.
      Configures the peak current by monitoring the current through the boost FET.
      Range starts at 1600 mA and goes to a maximum of 4500 mA with increments
      of 50 mA. See section 4.3.6 of the datasheet for details.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 1600
    maximum: 4500
    default: 4500

  cirrus,boost-ind-nanohenry:
    description:
      Boost inductor value, expressed in nH. Valid
      values include 1000, 1200, 1500 and 2200.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 1000
    maximum: 2200

  cirrus,boost-cap-microfarad:
    description:
      Total equivalent boost capacitance on the VBST
      and VAMP pins, derated at 11 volts DC. The value must be rounded to the
      nearest integer and expressed in uF.
    $ref: /schemas/types.yaml#/definitions/uint32

  cirrus,asp-sdout-hiz:
    description:
      Audio serial port SDOUT Hi-Z control. Sets the Hi-Z

Annotation

Implementation Notes