[PATCH V6 3/3] dt-bindings: serial: Add binding for UART pin swap

From: Akash Asthana
Date: Thu May 07 2020 - 11:02:45 EST


Add documentation to support RX-TX & CTS-RTS GPIO pin swap in HW.

Signed-off-by: Akash Asthana <akashast@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/serial/serial.yaml | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index 53204d9..e657dd6 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -67,6 +67,12 @@ properties:
(wired and enabled by pinmux configuration). This depends on both the
UART hardware and the board wiring.

+ rx-tx-swap:
+ description: RX and TX pins are swapped.
+
+ cts-rts-swap:
+ description: CTS and RTS pins are swapped.
+
if:
required:
- uart-has-rtscts
--
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