[PATCH 5/9] Documentation: dt-bindings: Add IRQ related properties of STM32 pinctrl

[Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>]

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
---
 Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
index 7b4800c..dd95bec 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
@@ -13,6 +13,9 @@ Required properies:
  - #size-cells	: The value of this property must be 1
  - ranges	: defines mapping between pin controller node (parent) to
    gpio-bank node (children).
+ - interrupt-parent: phandle of the interrupt parent to which the external
+   GPIO interrupts are forwarded to.
+ - st,syscfg: phandle of the syscfg node used for IRQ mux selection.
  - pins-are-numbered: Specify the subnodes are using numbered pinmux to
    specify pins.
 
-- 
1.9.1

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