Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
Extension
.yaml
Size
2341 bytes
Lines
93
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/watchdog/mediatek,mtk-wdt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek SoCs Watchdog timer

maintainers:
  - Matthias Brugger <matthias.bgg@gmail.com>

description:
  The watchdog supports a pre-timeout interrupt that fires
  timeout-sec/2 before the expiry.

allOf:
  - $ref: watchdog.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - mediatek,mt2712-wdt
          - mediatek,mt6589-wdt
          - mediatek,mt6735-wdt
          - mediatek,mt6795-wdt
          - mediatek,mt7986-wdt
          - mediatek,mt7988-wdt
          - mediatek,mt8183-wdt
          - mediatek,mt8186-wdt
          - mediatek,mt8188-wdt
          - mediatek,mt8192-wdt
          - mediatek,mt8195-wdt
      - items:
          - enum:
              - mediatek,mt2701-wdt
              - mediatek,mt6572-wdt
              - mediatek,mt6582-wdt
              - mediatek,mt6797-wdt
              - mediatek,mt7622-wdt
              - mediatek,mt7623-wdt
              - mediatek,mt7629-wdt
              - mediatek,mt8173-wdt
              - mediatek,mt8188-wdt
              - mediatek,mt8189-wdt
              - mediatek,mt8365-wdt
              - mediatek,mt8516-wdt
          - const: mediatek,mt6589-wdt

  reg:
    maxItems: 1

  interrupts:
    items:
      - description: Watchdog pre-timeout (bark) interrupt

  mediatek,disable-extrst:
    description: Disable sending output reset signal
    type: boolean

  mediatek,reset-by-toprgu:
    description: The Top Reset Generation Unit (TOPRGU) generates reset signals
      and distributes them to each IP. If present, the watchdog timer will be
      reset by TOPRGU once system resets.
    type: boolean

  '#reset-cells':
    const: 1

required:

Annotation

Implementation Notes