[PATCH] ARM: dts: stm32: use exti 19 as main interrupt to support RTC wakeup on stm32mp157

[Alexandre TORGUE]

On 2/3/22 02:59, Marek Vasut wrote:
> From: Alexandre Torgue <alexandre.torgue at st.com>
> 
> Link between GIC and exti line is now done inside EXTI driver. So in order
> to be wake up source exti irqchip has to be used.
> 
> Signed-off-by: Alexandre Torgue <alexandre.torgue at st.com>
> Cc: Alexandre Torgue <alexandre.torgue at foss.st.com>
> ---
> This comes from ST github repo, v5.4-stm32mp [93a67bfcf197ffad8d8962369b56b8b714d1447e]
> It would be good to include this, because indeed, this makes rtcwake -s 5 -m mem work.
> ---
>   arch/arm/boot/dts/stm32mp151.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
> index 6992a4b0ba79b..b6a108c4f117f 100644
> --- a/arch/arm/boot/dts/stm32mp151.dtsi
> +++ b/arch/arm/boot/dts/stm32mp151.dtsi
> @@ -1559,7 +1559,7 @@ rtc: rtc at 5c004000 {
>   			reg = <0x5c004000 0x400>;
>   			clocks = <&rcc RTCAPB>, <&rcc RTC>;
>   			clock-names = "pclk", "rtc_ck";
> -			interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupts-extended = <&exti 19 IRQ_TYPE_LEVEL_HIGH>;
>   			status = "disabled";
>   		};
>   

Applied on stm32-next.

Regards
Alex