linux-kernel - [PATCH v6 4/7] dt-bindings: phy: armada-cp110-utmi: add optional swap-dx-lanes property

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Message-Id: <20240602-cn9130-som-v6-4-89393e86d4c7@solid-run.com>
Date: Sun, 02 Jun 2024 17:49:39 +0200
From: Josua Mayer <josua@...id-run.com>
To: Andrew Lunn <andrew@...n.ch>, 
 Gregory Clement <gregory.clement@...tlin.com>, 
 Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, 
 Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
 Daniel Baluta <daniel.baluta@....com>, Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Konstantin Porotchkin <kostap@...vell.com>, 
 Richard Cochran <richardcochran@...il.com>
Cc: Yazan Shhady <yazan.shhady@...id-run.com>, 
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, 
 linux-phy@...ts.infradead.org, netdev@...r.kernel.org, 
 Josua Mayer <josua@...id-run.com>
Subject: [PATCH v6 4/7] dt-bindings: phy: armada-cp110-utmi: add optional
 swap-dx-lanes property

Armada CP110 UTMI supports swapping D+ and D- signals.
usb251xb.yaml already describes a suitable device-tree property for the
same purpose but as child usb controller node.

Add optional swap-dx-lanes device-tree property to armada cp110 utmi phy
with same semantics as usb251xb:
The property lists all ports that swap D+ and D-, unlisted ports are
considered correct.

Signed-off-by: Josua Mayer <josua@...id-run.com>
---
 .../devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml      | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml b/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml
index 9ce7b4c6d208..2ef02aac042a 100644
--- a/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml
@@ -41,6 +41,12 @@ properties:
       Phandle to the system controller node
     $ref: /schemas/types.yaml#/definitions/phandle
 
+  swap-dx-lanes:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Specifies the ports which will swap the differential-pair (D+/D-),
+      default is not-swapped.
+
 # Required child nodes:
 
 patternProperties:

-- 
2.35.3