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Subject[PATCH V7 3/3] dt-bindings: serial: Add binding for UART pin swap
Date
Add documentation to support RX-TX & CTS-RTS GPIO pin swap in HW.

Signed-off-by: Akash Asthana <akashast@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
Changes in V7:
- As per Rob's comment, added type: boolean to properties.

Documentation/devicetree/bindings/serial/serial.yaml | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index 53204d9..8645d0e 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -67,6 +67,14 @@ properties:
(wired and enabled by pinmux configuration). This depends on both the
UART hardware and the board wiring.

+ rx-tx-swap:
+ type: boolean
+ description: RX and TX pins are swapped.
+
+ cts-rts-swap:
+ type: boolean
+ description: CTS and RTS pins are swapped.
+
if:
required:
- uart-has-rtscts
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project
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