51 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: SBSA (Server Base System Architecture) Generic Watchdog8 9maintainers:10 - Fu Wei <fu.wei@linaro.org>11 12description: |13 The SBSA Generic Watchdog Timer is used to force a reset of the system after14 two stages of timeout have elapsed. A detailed definition of the watchdog15 timer can be found in the ARM document: ARM-DEN-0029 - Server Base System16 Architecture (SBSA)17 18allOf:19 - $ref: watchdog.yaml#20 21properties:22 compatible:23 const: arm,sbsa-gwdt24 25 reg:26 items:27 - description: Watchdog control frame28 - description: Refresh frame29 30 interrupts:31 description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt)32 maxItems: 133 34required:35 - compatible36 - reg37 - interrupts38 39unevaluatedProperties: false40 41examples:42 - |43 watchdog@2a440000 {44 compatible = "arm,sbsa-gwdt";45 reg = <0x2a440000 0x1000>,46 <0x2a450000 0x1000>;47 interrupts = <0 27 4>;48 timeout-sec = <30>;49 };50...51