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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/watchdog/st,stm32-iwdg.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 Independent WatchDoG (IWDG)
maintainers:
- Yannick Fertre <yannick.fertre@foss.st.com>
- Christophe Roullier <christophe.roullier@foss.st.com>
allOf:
- $ref: "watchdog.yaml#"
properties:
compatible:
enum:
- st,stm32-iwdg
- st,stm32mp1-iwdg
reg:
maxItems: 1
clocks:
items:
- description: Low speed clock
- description: Optional peripheral clock
minItems: 1
clock-names:
items:
enum:
- lsi
- pclk
minItems: 1
maxItems: 2
required:
- compatible
- reg
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/stm32mp1-clks.h>
watchdog@5a002000 {
compatible = "st,stm32mp1-iwdg";
reg = <0x5a002000 0x400>;
clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
clock-names = "pclk", "lsi";
timeout-sec = <32>;
};
...
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