Documentation/devicetree/bindings/media/i2c/adi,ad5820.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/media/i2c/adi,ad5820.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/media/i2c/adi,ad5820.yaml
Extension
.yaml
Size
1176 bytes
Lines
57
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/media/i2c/adi,ad5820.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Analog Devices AD5820 autofocus coil

maintainers:
  - Pavel Machek <pavel@ucw.cz>

description:
  The AD5820 is a current sink driver designed for precise control of
  voice coil motors (VCMs) in camera autofocus systems.

properties:
  compatible:
    enum:
      - adi,ad5820
      - adi,ad5821
      - adi,ad5823

  reg:
    maxItems: 1

  enable-gpios:
    maxItems: 1
    description:
      GPIO spec for the XSHUTDOWN pin. The XSHUTDOWN signal is active low,
      a high level on the pin enables the device.

  VANA-supply:
    description: supply of voltage for VANA pin

required:
  - compatible
  - reg
  - VANA-supply

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
        coil@c {
            compatible = "adi,ad5820";
            reg = <0x0c>;

            enable-gpios = <&msmgpio 26 GPIO_ACTIVE_HIGH>;
            VANA-supply = <&vaux4>;
        };
    };

Annotation

Implementation Notes