[PATCH v3] ARM: dts: stm32: Add IWDG2 EXTI interrupt mapping and mark as wakeup source

[Alexandre TORGUE]

Hi Marek

On 6/23/24 21:51, Marek Vasut wrote:
> The IWDG2 is capable of generating pre-timeout interrupt, which can be used
> to wake the system up from suspend to mem. Add the EXTI interrupt mapping
> and mark the IWDG2 as wake up source.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Alexandre Torgue <alexandre.torgue at foss.st.com>
> Cc: Antonio Borneo <antonio.borneo at foss.st.com>
> Cc: Guenter Roeck <linux at roeck-us.net>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt at linaro.org>
> Cc: Marc Zyngier <maz at kernel.org>
> Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
> Cc: Richard Cochran <richardcochran at gmail.com>
> Cc: Rob Herring <robh+dt at kernel.org>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Wim Van Sebroeck <wim at linux-watchdog.org>
> Cc: devicetree at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> Cc: linux-stm32 at st-md-mailman.stormreply.com
> Cc: linux-watchdog at vger.kernel.org
> ---
> V2: No change
> V3: No change
> ---
>   arch/arm/boot/dts/st/stm32mp151.dtsi | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/st/stm32mp151.dtsi b/arch/arm/boot/dts/st/stm32mp151.dtsi
> index 1804e202eb425..68846699b26fd 100644
> --- a/arch/arm/boot/dts/st/stm32mp151.dtsi
> +++ b/arch/arm/boot/dts/st/stm32mp151.dtsi
> @@ -355,6 +355,8 @@ iwdg2: watchdog at 5a002000 {
>   			reg = <0x5a002000 0x400>;
>   			clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
>   			clock-names = "pclk", "lsi";
> +			interrupts-extended = <&exti 46 IRQ_TYPE_LEVEL_HIGH>;
> +			wakeup-source;
>   			status = "disabled";
>   		};
>   

Nice feature. Applied on stm32-next.

Cheers
Alex