On 5/20/26 18:07, Yann Gautier wrote:
> No watchdog was enabled for STM32MP13 platform. Add the required flags to
> support it. As done for STM32MP15 (in SCMI config) and STM32MP2x, we use
> the Arm SMC watchdog. The required nodes were already present in Linux
> imported DT files (stm32mp13.dtsi & stm32mp135f-dk.dts).
> To enable this SMC watchdog on other platforms based on STM32MP13, check
> that both the following flags are enabled in the dedicated config file:
> CONFIG_WDT=y
> CONFIG_WDT_ARM_SMC=y
> And that there is a node in Linux board DT that enables the feature, as
> it is done in stm32mp135f-dk.dts:
> &arm_wdt {
> timeout-sec = <32>;
> status = "okay";
> };
>
> Signed-off-by: Patrick Delaunay <[email protected]>
> Signed-off-by: Yann Gautier <[email protected]>
>
> ---
>
> Changes in v3:
> - remove CONFIG_WDT_STM32MP
> - update commit message
>
> Changes in v2:
> - update commit message
>
> configs/stm32mp13_defconfig | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/configs/stm32mp13_defconfig b/configs/stm32mp13_defconfig
> index 620a6da2efe3..2ad57e23e445 100644
> --- a/configs/stm32mp13_defconfig
> +++ b/configs/stm32mp13_defconfig
> @@ -113,4 +113,6 @@ CONFIG_USB_GADGET_MANUFACTURER="STMicroelectronics"
> CONFIG_USB_GADGET_VENDOR_NUM=0x0483
> CONFIG_USB_GADGET_PRODUCT_NUM=0x5720
> CONFIG_USB_GADGET_DWC2_OTG=y
> +CONFIG_WDT=y
> +CONFIG_WDT_ARM_SMC=y
> CONFIG_ERRNO_STR=y
Reviewed-by: Patrice Chotard <[email protected]>
Thanks
Patrice
