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 <[email protected]>
---
Cc: Alexandre Torgue <[email protected]>
Cc: Antonio Borneo <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Krzysztof Kozlowski <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: Richard Cochran <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Wim Van Sebroeck <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
V2: No change
---
arch/arm/boot/dts/stm32mp151.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 664825418c32c..accbeef4df6da 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1541,6 +1541,8 @@ iwdg2: watchdog@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";
};
--
2.39.2