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From: Akash Asthana <akashast@codeaurora.org>
To: robh+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, mgautam@codeaurora.org,
	rojay@codeaurora.org, skakit@codeaurora.org,
	msavaliy@codeaurora.org, Akash Asthana <akashast@codeaurora.org>
Subject: [PATCH V7 3/3] dt-bindings: serial: Add binding for UART pin swap
Date: Wed, 27 May 2020 11:57:44 +0530	[thread overview]
Message-ID: <1590560864-27037-4-git-send-email-akashast@codeaurora.org> (raw)
In-Reply-To: <1590560864-27037-1-git-send-email-akashast@codeaurora.org>

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


  parent reply	other threads:[~2020-05-27  6:28 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-27  6:27 [PATCH V7 0/3] Convert QUP bindings to YAML and add ICC, pin swap doc Akash Asthana
2020-05-27  6:27 ` [PATCH V7 1/3] dt-bindings: geni-se: Convert QUP geni-se bindings to YAML Akash Asthana
2020-05-29 17:57   ` Rob Herring
2020-05-27  6:27 ` [PATCH V7 2/3] dt-bindings: geni-se: Add interconnect binding for GENI QUP Akash Asthana
2020-05-29 17:57   ` Rob Herring
2020-05-27  6:27 ` Akash Asthana [this message]
2020-05-29 17:57   ` [PATCH V7 3/3] dt-bindings: serial: Add binding for UART pin swap Rob Herring

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