Documentation/devicetree/bindings/sound/rohm,bd28623.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/rohm,bd28623.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/rohm,bd28623.yaml
Extension
.yaml
Size
1580 bytes
Lines
71
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/rohm,bd28623.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ROHM BD28623MUV Class D speaker amplifier for digital input

description:
  This codec does not have any control buses such as I2C, it detect
  format and rate of I2S signal automatically. It has two signals
  that can be connected to GPIOs reset and mute.

maintainers:
  - Katsuhiro Suzuki <katsuhiro@katsuster.net>

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

properties:
  compatible:
    const: rohm,bd28623

  "#sound-dai-cells":
    const: 0

  VCCA-supply:
    description:
      regulator phandle for the VCCA (for analog) power supply

  VCCP1-supply:
    description:
      regulator phandle for the VCCP1 (for ch1) power supply

  VCCP2-supply:
    description:
      regulator phandle for the VCCP2 (for ch2) power supply

  reset-gpios:
    maxItems: 1
    description:
      GPIO specifier for the active low reset line

  mute-gpios:
    maxItems: 1
    description:
      GPIO specifier for the active low mute line

required:
  - compatible
  - VCCA-supply
  - VCCP1-supply
  - VCCP2-supply
  - "#sound-dai-cells"

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    codec {
      compatible = "rohm,bd28623";
      #sound-dai-cells = <0>;

      VCCA-supply = <&vcc_reg>;
      VCCP1-supply = <&vcc_reg>;
      VCCP2-supply = <&vcc_reg>;
      reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
      mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
    };

Annotation

Implementation Notes