Documentation/devicetree/bindings/watchdog/renesas,r9a09g057-wdt.yaml

File Facts

System

Linux kernel

Corpus path

Documentation/devicetree/bindings/watchdog/renesas,r9a09g057-wdt.yaml

Extension

.yaml

Size

2025 bytes

Lines

100

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.

• Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

• dt-bindings/clock/renesas,r9a09g057-cpg.h

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/watchdog/renesas,r9a09g057-wdt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas RZ/V2H(P) Watchdog Timer (WDT) Controller

maintainers:
  - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - renesas,r9a09g047-wdt # RZ/G3E
              - renesas,r9a09g056-wdt # RZ/V2N
          - const: renesas,r9a09g057-wdt # RZ/V2H(P)

      - items:
          - const: renesas,r9a09g087-wdt # RZ/N2H
          - const: renesas,r9a09g077-wdt # RZ/T2H

      - enum:
          - renesas,r9a09g057-wdt    # RZ/V2H(P)
          - renesas,r9a09g077-wdt    # RZ/T2H

  reg:
    minItems: 1
    maxItems: 2

  clocks:
    minItems: 1
    items:
      - description: Register access clock
      - description: Main clock

  clock-names:
    minItems: 1
    items:
      - const: pclk
      - const: oscclk

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

  timeout-sec: true

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - power-domains

allOf:
  - $ref: watchdog.yaml#

  - if:
      properties:
        compatible:
          contains:
            const: renesas,r9a09g057-wdt
    then:
      properties:
        reg:

Annotation

• Immediate include surface: `dt-bindings/clock/renesas,r9a09g057-cpg.h`.
• Atlas domain: Support Tooling And Documentation / Documentation.
• Implementation status: atlas-only.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.