Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
Extension
.yaml
Size
4319 bytes
Lines
160
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,cs35l45.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Cirrus Logic CS35L45 Speaker Amplifier

maintainers:
  - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
  - Richard Fitzgerald <rf@opensource.cirrus.com>

description: |
  CS35L45 is a Boosted Mono Class D Amplifier with DSP
  Speaker Protection and Adaptive Battery Management.

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

properties:
  compatible:
    enum:
      - cirrus,cs35l45

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  '#sound-dai-cells':
    const: 1

  reset-gpios:
    maxItems: 1

  vdd-a-supply:
    description: voltage regulator phandle for the VDD_A supply

  vdd-batt-supply:
    description: voltage regulator phandle for the VDD_BATT supply

  spi-max-frequency:
    maximum: 5000000

  cirrus,asp-sdout-hiz-ctrl:
    description:
      Audio serial port SDOUT Hi-Z control. Sets the Hi-Z
      configuration for SDOUT pin of amplifier. Logical OR of
      CS35L45_ASP_TX_HIZ_xxx values.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 0
    maximum: 3
    default: 2

patternProperties:
  "^cirrus,gpio-ctrl[1-3]$":
    description:
      GPIO pins configuration.
    type: object
    additionalProperties: false
    properties:
      gpio-dir:
        description:
          GPIO pin direction. Valid only when 'gpio-ctrl' is 1
            0 = Output
            1 = Input
        $ref: /schemas/types.yaml#/definitions/uint32
        minimum: 0
        maximum: 1

Annotation

Implementation Notes