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