Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
Extension
.yaml
Size
2277 bytes
Lines
99
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/rtc/abracon,abx80x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Abracon ABX80X I2C ultra low power RTC/Alarm chip

maintainers:
  - linux-rtc@vger.kernel.org

properties:
  compatible:
    description:
      The wildcard 'abracon,abx80x' may be used to support a mix
      of different abracon rtc`s. In this case the driver
      must perform auto-detection from ID register.
    enum:
      - abracon,abx80x
      - abracon,ab0801
      - abracon,ab0803
      - abracon,ab0804
      - abracon,ab0805
      - abracon,ab1801
      - abracon,ab1803
      - abracon,ab1804
      - abracon,ab1805
      - microcrystal,rv1805

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  abracon,tc-diode:
    description:
      Trickle-charge diode type.
      Required to enable charging backup battery.

      Supported are 'standard' diodes with a 0.6V drop
      and 'schottky' diodes with a 0.3V drop.
    $ref: /schemas/types.yaml#/definitions/string
    enum:
      - standard
      - schottky

  abracon,tc-resistor:
    description:
      Trickle-charge resistor value in kOhm.
      Required to enable charging backup battery.
    $ref: /schemas/types.yaml#/definitions/uint32
    enum: [0, 3, 6, 11]

dependentRequired:
  abracon,tc-diode: ["abracon,tc-resistor"]
  abracon,tc-resistor: ["abracon,tc-diode"]

required:
  - compatible
  - reg

allOf:
  - $ref: rtc.yaml#
  - if:
      properties:
        compatible:
          not:
            contains:
              enum:

Annotation

Implementation Notes