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-rw-r--r--Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
index a0eed99214b5..f9753c416974 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
@@ -16,7 +16,9 @@ Required properies:
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.
+ - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node
+ which includes IRQ mux selection register, and the offset of the IRQ mux
+ selection register.
- pins-are-numbered: Specify the subnodes are using numbered pinmux to
specify pins.
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