[PATCH v3 1/3] configs: stm32mp15: enable WDT_ARM_SMC driver

Patrice CHOTARD patrice.chotard at foss.st.com
Tue May 26 11:32:26 CEST 2026



On 5/20/26 18:07, Yann Gautier wrote:
> From: Lionel Debieve <lionel.debieve at foss.st.com>
> 
> Enable the arm watchdog over SMC driver. This allows using a secure
> watchdog, based on IWDG1 peripheral and managed by OP-TEE.
> The driver will be probed if a watchdog node with "arm,smc-wdt"
> compatible is enabled.
> 
> Signed-off-by: Lionel Debieve <lionel.debieve at foss.st.com>
> Signed-off-by: Yann Gautier <yann.gautier at foss.st.com>
> 
> ---
> 
> Changes in v3:
> - Update patch 1 commit message
> - Remove CONFIG_WDT_STM32MP for MP13 and update patch 2 commit message
>     - update commit message
> 
> Changes in v2:
> - Improve patch 2 commit message
> - Add Reviewed-by tags from Patrice for patches 1 & 3
> 
>  configs/stm32mp15_defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/configs/stm32mp15_defconfig b/configs/stm32mp15_defconfig
> index b9e44254087a..2ee08dc15551 100644
> --- a/configs/stm32mp15_defconfig
> +++ b/configs/stm32mp15_defconfig
> @@ -169,5 +169,6 @@ CONFIG_BMP_24BPP=y
>  CONFIG_BMP_32BPP=y
>  CONFIG_WDT=y
>  CONFIG_WDT_STM32MP=y
> +CONFIG_WDT_ARM_SMC=y
>  # CONFIG_BINMAN_FDT is not set
>  CONFIG_ERRNO_STR=y

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice


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