Documentation/devicetree/bindings/clock/allwinner,sun55i-a523-ccu.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/clock/allwinner,sun55i-a523-ccu.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/clock/allwinner,sun55i-a523-ccu.yaml
Extension
.yaml
Size
3188 bytes
Lines
137
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/clock/allwinner,sun55i-a523-ccu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A523 Clock Control Unit

maintainers:
  - Andre Przywara <andre.przywara@arm.com>

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

  "#reset-cells":
    const: 1

  compatible:
    enum:
      - allwinner,sun55i-a523-ccu
      - allwinner,sun55i-a523-mcu-ccu
      - allwinner,sun55i-a523-r-ccu

  reg:
    maxItems: 1

  clocks:
    minItems: 4
    maxItems: 9

  clock-names:
    minItems: 4
    maxItems: 9

required:
  - "#clock-cells"
  - "#reset-cells"
  - compatible
  - reg
  - clocks
  - clock-names

allOf:
  - if:
      properties:
        compatible:
          enum:
            - allwinner,sun55i-a523-ccu

    then:
      properties:
        clocks:
          items:
            - description: High Frequency Oscillator (usually at 24MHz)
            - description: Low Frequency Oscillator (usually at 32kHz)
            - description: Internal Oscillator
            - description: Low Frequency Oscillator fanout

        clock-names:
          items:
            - const: hosc
            - const: losc
            - const: iosc
            - const: losc-fanout

  - if:
      properties:
        compatible:
          enum:

Annotation

Implementation Notes