| # 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 |
| |
| interrupts: |
| maxItems: 1 |
| description: Pre-timeout interrupt from the watchdog. |
| |
| wakeup-source: true |
| |
| 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>; |
| }; |
| |
| ... |
