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[V7,3/3] dt-bindings: serial: Add binding for UART pin swap

Message ID 1590560864-27037-4-git-send-email-akashast@codeaurora.org (mailing list archive)
State New, archived
Headers show
Series Convert QUP bindings to YAML and add ICC, pin swap doc | expand

Commit Message

Akash Asthana May 27, 2020, 6:27 a.m. UTC 
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(+)

Comments

Rob Herring (Arm) May 29, 2020, 5:57 p.m. UTC | #1 
On Wed, 27 May 2020 11:57:44 +0530, Akash Asthana wrote:
> 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(+)
> 

Applied, thanks!
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Patch

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