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Date: Wed, 27 May 2020 11:57:44 +0530
From: Akash Asthana <akashast@...eaurora.org>
To: robh+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, mgautam@...eaurora.org,
rojay@...eaurora.org, skakit@...eaurora.org,
msavaliy@...eaurora.org, Akash Asthana <akashast@...eaurora.org>
Subject: [PATCH V7 3/3] dt-bindings: serial: Add binding for UART pin swap
Add documentation to support RX-TX & CTS-RTS GPIO pin swap in HW.
Signed-off-by: Akash Asthana <akashast@...eaurora.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.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
--
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