Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
Extension
.yaml
Size
4176 bytes
Lines
198
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
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/allwinner,sun6i-a31-rtc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A31 RTC

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

properties:
  "#clock-cells":
    const: 1

  compatible:
    oneOf:
      - enum:
          - allwinner,sun6i-a31-rtc
          - allwinner,sun8i-a23-rtc
          - allwinner,sun8i-h3-rtc
          - allwinner,sun8i-r40-rtc
          - allwinner,sun8i-v3-rtc
          - allwinner,sun50i-h5-rtc
          - allwinner,sun50i-h6-rtc
          - allwinner,sun50i-h616-rtc
          - allwinner,sun50i-r329-rtc
      - items:
          - const: allwinner,sun50i-a64-rtc
          - const: allwinner,sun8i-h3-rtc
      - items:
          - enum:
              - allwinner,sun20i-d1-rtc
              - allwinner,sun55i-a523-rtc
          - const: allwinner,sun50i-r329-rtc

  reg:
    maxItems: 1

  interrupts:
    minItems: 1
    items:
      - description: RTC Alarm 0
      - description: RTC Alarm 1

  clocks:
    minItems: 1
    maxItems: 4

  clock-names:
    minItems: 1
    maxItems: 4

  clock-output-names:
    minItems: 1
    maxItems: 3
    description:
      The RTC provides up to three clocks
        - the Low Frequency Oscillator or LOSC, at index 0,
        - the Low Frequency Oscillator External output (X32KFOUT in
          the datasheet), at index 1,
        - the Internal Oscillator, at index 2.

allOf:
  - $ref: rtc.yaml#
  - if:
      properties:
        compatible:
          contains:

Annotation

Implementation Notes