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Mon, 02 Feb 2026 12:04:20 -0800 (PST) Received: from nas.local ([2001:912:1ac0:1e00:c662:37ff:fe09:93df]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-482dbd3953esm120842955e9.4.2026.02.02.12.04.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Feb 2026 12:04:20 -0800 (PST) From: Damien Dejean To: andrew@lunn.ch, krzk+dt@kernel.org, robh@kernel.org, kuba@kernel.org Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, edumazet@google.com, davem@davemloft.net, pabeni@redhat.com, hkallweit1@gmail.com, Damien Dejean Subject: [PATCH v5 1/4] dt-bindings: net: ethernet-phy: add property enet-phy-lane-order Date: Mon, 2 Feb 2026 21:04:08 +0100 Message-ID: <20260202200411.373161-1-dam.dejean@gmail.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add property enet-phy-lane-order to the device tree bindings to define the lane order of the PHY. To simplify PCB design some manufacturers allow to wire the pairs in a reverse order, and change the order in software. The property can be set to 0 to force the normal lane order (ABCD), or 1 to force the reverse lane order (DCBA). Signed-off-by: Damien Dejean --- Documentation/devicetree/bindings/net/ethernet-phy.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml index 58634fee9fc4..8347d4e134d2 100644 --- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml +++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml @@ -126,6 +126,12 @@ properties: e.g. wrong bootstrap configuration caused by issues in PCB layout design. + enet-phy-lane-order: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + description: + For normal (0) or reverse (1) order of the pairs (ABCD -> DCBA). + eee-broken-100tx: $ref: /schemas/types.yaml#/definitions/flag description: -- 2.47.3