| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: SBSA (Server Base System Architecture) Generic Watchdog |
| |
| maintainers: |
| - Fu Wei <fu.wei@linaro.org> |
| |
| description: | |
| The SBSA Generic Watchdog Timer is used to force a reset of the system after |
| two stages of timeout have elapsed. A detailed definition of the watchdog |
| timer can be found in the ARM document: ARM-DEN-0029 - Server Base System |
| Architecture (SBSA) |
| |
| allOf: |
| - $ref: watchdog.yaml# |
| |
| properties: |
| compatible: |
| const: arm,sbsa-gwdt |
| |
| reg: |
| items: |
| - description: Watchdog control frame |
| - description: Refresh frame |
| |
| interrupts: |
| description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt) |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| watchdog@2a440000 { |
| compatible = "arm,sbsa-gwdt"; |
| reg = <0x2a440000 0x1000>, |
| <0x2a450000 0x1000>; |
| interrupts = <0 27 4>; |
| timeout-sec = <30>; |
| }; |
| ... |
