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When the platform watchdog is managed by the secure world, SMC calls are used to interact with it. Signed-off-by: Gatien Chevallier --- arch/arm/boot/dts/st/stm32mp131.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/st= m32mp131.dtsi index a18da1a04fe3..6506b9109b90 100644 --- a/arch/arm/boot/dts/st/stm32mp131.dtsi +++ b/arch/arm/boot/dts/st/stm32mp131.dtsi @@ -29,6 +29,12 @@ arm-pmu { interrupt-parent =3D <&intc>; }; =20 + arm_wdt: watchdog { + compatible =3D "arm,smc-wdt"; + arm,smc-id =3D <0xbc000000>; + status =3D "disabled"; + }; + firmware { optee { method =3D "smc"; --=20 2.43.0