[PATCH 2/2] dt-bindings: serial: Add st,swap to stm32-usart

[Martin Devera]

Add new st,swap property to allow for RX & TX pin swapping.

Signed-off-by: Martin Devera <devik@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 08b499045a38..cbfa1f9f4b17 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -24,6 +24,7 @@ Optional properties:
 - pinctrl-n: Phandle(s) pointing to pin configuration nodes.
   For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt
 - st,hw-flow-ctrl: bool flag to enable hardware flow control.
+- st,swap: bool flag to swap RX and TX pins.
 - rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low,
   linux,rs485-enabled-at-boot-time: see rs485.txt.
 - dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
-- 
2.11.0