[PATCH v2 0/4] ARM: dts: stm32: watchdog updates on stm32mp13x platforms

Alexandre TORGUE alexandre.torgue at foss.st.com
Fri Nov 14 00:43:02 PST 2025


Hi Gatien

On 10/31/25 11:00, Gatien Chevallier wrote:
> The IWDG1 can be used to monitor the Cortex-A7's activity on stm32mp13x
> SoCs. Add the IWDG1 node in the stm32mp131.dtsi SoC device tree file
> in case this peripheral is configured as non-secure and managed by the
> Linux kernel.
> 
> Add the arm_wdt node in the stm32mp131.dtsi SoC device tree file in
> case the ARM SMC watchdog driver is necessary to interact with the
> platform watchdog (e.g: the IWDG1 is configured as secure).
> 
> Signed-off-by: Gatien Chevallier <gatien.chevallier at foss.st.com>
> ---
> Changes in v2:
> - Moved the IWDG1 under the ETZPC as is it securable. It should be
>    managed by the ETZPC bus.
> - Link to v1: https://lore.kernel.org/r/20250918-iwdg1-v1-0-02c2543c01a5@foss.st.com
> 
> ---
> Gatien Chevallier (4):
>        ARM: dts: stm32: add iwdg1 node in stm32mp131.dtsi
>        ARM: dts: stm32: add the ARM SMC watchdog in stm32mp131.dtsi
>        ARM: dts: stm32: enable the ARM SMC watchdog node in stm32mp135f-dk
>        ARM: dts: stm32: add the IWDG2 interrupt line in stm32mp131.dtsi
> 
>   arch/arm/boot/dts/st/stm32mp131.dtsi    | 17 +++++++++++++++++
>   arch/arm/boot/dts/st/stm32mp135f-dk.dts |  5 +++++
>   2 files changed, 22 insertions(+)
> ---
> base-commit: 53c18dc078bb6d9e9dfe2cc0671ab78588c44723
> change-id: 20250918-iwdg1-0f7ea155135e
> 
> Best regards,

Series applied on stm32-next.

Thanks
Alex




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