51 lines
1.2 KiB
YAML
51 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Xilinx Versal window watchdog timer controller
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maintainers:
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- Neeli Srinivas <srinivas.neeli@amd.com>
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description:
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Versal watchdog intellectual property uses window watchdog mode.
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Window watchdog timer(WWDT) contains closed(first) and open(second)
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window with 32 bit width. Write to the watchdog timer within
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predefined window periods of time. This means a period that is not
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too soon and a period that is not too late. The WWDT has to be
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restarted within the open window time. If software tries to restart
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WWDT outside of the open window time period, it generates a reset.
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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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enum:
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- xlnx,versal-wwdt
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reg:
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maxItems: 1
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clocks:
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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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- clocks
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unevaluatedProperties: false
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examples:
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- |
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watchdog@fd4d0000 {
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compatible = "xlnx,versal-wwdt";
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reg = <0xfd4d0000 0x10000>;
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clocks = <&clock25>;
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timeout-sec = <30>;
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};
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...
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