Secure ARM watchdog is used on stm32mp25 relying on SMC to configure and kick the watchdog. It is set to 32 seconds on stm32mp257f-ev1 board. Regards Alex Alexandre Torgue (2): arm64: dts: st: add arm-wdt node for watchdog support on stm32mp251 arm64: dts: st: enable secure arm-wdt watchdog on stm32mp257f-ev1 arch/arm64/boot/dts/st/stm32mp251.dtsi | 6 ++++++ arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 5 +++++ 2 files changed, 11 insertions(+) -- 2.17.1