linux-kernel - [PATCH 2/2] dt-bindings: phy: lan966x: Add optional microchip,sx-tx/rx-inverted

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Message-ID: <20251110110536.2596490-3-horatiu.vultur@microchip.com>
Date: Mon, 10 Nov 2025 12:05:36 +0100
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <vkoul@...nel.org>, <kishon@...nel.org>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH 2/2] dt-bindings: phy: lan966x: Add optional microchip,sx-tx/rx-inverted

This allows to invert the N and P signals of the RX and TX Serdes
signals. This option allows the board designer to trace their signals
easier on the boards.

Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 .../phy/microchip,lan966x-serdes.yaml         | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/microchip,lan966x-serdes.yaml b/Documentation/devicetree/bindings/phy/microchip,lan966x-serdes.yaml
index 6e914fbbac567..21b19e06a75aa 100644
--- a/Documentation/devicetree/bindings/phy/microchip,lan966x-serdes.yaml
+++ b/Documentation/devicetree/bindings/phy/microchip,lan966x-serdes.yaml
@@ -41,6 +41,30 @@ properties:
       - The macro to be used. The macros are defined in
         dt-bindings/phy/phy-lan966x-serdes.
 
+  microchip,s0-tx-inverted:
+    type: boolean
+    description: Invert the TX N and P signals for Serdes 0
+
+  microchip,s1-tx-inverted:
+    type: boolean
+    description: Invert the TX N and P signals for Serdes 1
+
+  microchip,s2-tx-inverted:
+    type: boolean
+    description: Invert the TX N and P signals for Serdes 2
+
+  microchip,s0-rx-inverted:
+    type: boolean
+    description: Invert the RX N and P signals for Serdes 0
+
+  microchip,s1-rx-inverted:
+    type: boolean
+    description: Invert the RX N and P signals for Serdes 1
+
+  microchip,s2-rx-inverted:
+    type: boolean
+    description: Invert the RX N and P signals for Serdes 2
+
 required:
   - compatible
   - reg
-- 
2.34.1