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Tue, 10 Mar 2026 10:38:53 -0700 (PDT) From: Damien Dejean To: andrew@lunn.ch, krzk+dt@kernel.org, robh@kernel.org, kuba@kernel.org, maxime.chevallier@bootlin.com, pabeni@redhat.com Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, edumazet@google.com, davem@davemloft.net, hkallweit1@gmail.com, Damien Dejean Subject: [PATCH net-next v7 1/4] dt-bindings: net: ethernet-phy: add property enet-phy-pair-order Date: Tue, 10 Mar 2026 18:38:43 +0100 Message-ID: <20260310173846.230923-2-dam.dejean@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310173846.230923-1-dam.dejean@gmail.com> References: <20260310173846.230923-1-dam.dejean@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add property enet-phy-pair-order to the device tree bindings to define the pair 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 pair order (ABCD), or 1 to force the reverse pair order (DCBA). Signed-off-by: Damien Dejean Reviewed-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/net/ethernet-phy.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Docu= mentation/devicetree/bindings/net/ethernet-phy.yaml index 58634fee9fc4..4a27547f7d7a 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. =20 + enet-phy-pair-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: --=20 2.47.3