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

[Marek Vasut]

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";
 		};
 
-- 
2.43.0