2026-01-21 18:59:54 +08:00
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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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$id: http://devicetree.org/schemas/watchdog/st,stm32-iwdg.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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2026-01-29 22:25:33 +08:00
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title: STMicroelectronics STM32 Independent WatchDoG (IWDG)
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2026-01-21 18:59:54 +08:00
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maintainers:
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2026-01-29 22:25:33 +08:00
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- Yannick Fertre <yannick.fertre@foss.st.com>
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- Christophe Roullier <christophe.roullier@foss.st.com>
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2026-01-21 18:59:54 +08:00
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allOf:
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2026-01-29 22:25:33 +08:00
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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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- st,stm32-iwdg
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- st,stm32mp1-iwdg
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reg:
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maxItems: 1
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clocks:
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items:
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- description: Low speed clock
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- description: Optional peripheral clock
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minItems: 1
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clock-names:
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items:
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enum:
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- lsi
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- pclk
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minItems: 1
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maxItems: 2
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/stm32mp1-clks.h>
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watchdog@5a002000 {
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compatible = "st,stm32mp1-iwdg";
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reg = <0x5a002000 0x400>;
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clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
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clock-names = "pclk", "lsi";
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timeout-sec = <32>;
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};
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...
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