[PATCH] dt-bindings: watchdog: stm32-iwdg: Document interrupt and wakeup properties

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The watchdog IP can generate pre-timeout interrupt and can be used as
a wake up source. Document both properties.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Alexandre Torgue <alexandre.torgue@xxxxxxxxxxx>
Cc: Christophe Roullier <christophe.roullier@xxxxxxxxxxx>
Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Wim Van Sebroeck <wim@xxxxxxxxxxxxxxxxxx>
Cc: Yannick Fertre <yannick.fertre@xxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-watchdog@xxxxxxxxxxxxxxx
---
 .../devicetree/bindings/watchdog/st,stm32-iwdg.yaml         | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
index 6b13bfc11e114..86bd39d508500 100644
--- a/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
+++ b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
@@ -36,6 +36,12 @@ properties:
     minItems: 1
     maxItems: 2
 
+  interrupts:
+    maxItems: 1
+    description: Pre-timeout interrupt from the watchdog.
+
+  wakeup-source: true
+
 required:
   - compatible
   - reg
-- 
2.43.0





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