Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
Extension
.yaml
Size
2209 bytes
Lines
109
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/hwmon/ti,amc6821.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: AMC6821 Intelligent Temperature Monitor and PWM Fan Controller

maintainers:
  - Farouk Bouabid <farouk.bouabid@cherry.de>
  - Quentin Schulz <quentin.schulz@cherry.de>

description:
  Intelligent temperature monitor and pulse-width modulation (PWM) fan
  controller.

properties:
  compatible:
    oneOf:
      - items:
          - const: tsd,mule
          - const: ti,amc6821
      - const: ti,amc6821

  reg:
    maxItems: 1

  i2c-mux:
    type: object

  fan:
    $ref: fan-common.yaml#
    unevaluatedProperties: false

    properties:
      cooling-levels:
        description: PWM duty cycle values corresponding to thermal cooling states.
        items:
          maximum: 255

  "#pwm-cells":
    const: 2
    description: |
      Number of cells in a PWM specifier.
      - cell 0: PWM period in nanoseconds
      - cell 1: PWM polarity: 0 or PWM_POLARITY_INVERTED

required:
  - compatible
  - reg

if:
  properties:
    compatible:
      contains:
        const: tsd,mule

then:
  required:
    - i2c-mux

additionalProperties: false

examples:
  - |
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        fan_controller: fan@18 {

Annotation

Implementation Notes