linux-kernel - [PATCH v4 5/6] arm64: dts: qcom: qcs404: Inverse phy-mode for EVB-4000

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Message-Id: <20250819-qcs615_eth-v4-5-5050ed3402cb@oss.qualcomm.com>
Date: Tue, 19 Aug 2025 14:36:00 +0800
From: Yijie Yang <yijie.yang@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Richard Cochran <richardcochran@...il.com>
Cc: netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, stable+noautosel@...nel.org,
        Yijie Yang <yijie.yang@....qualcomm.com>
Subject: [PATCH v4 5/6] arm64: dts: qcom: qcs404: Inverse phy-mode for
 EVB-4000

This board expects the MAC to add the delay. Set `phy-mode = "rgmii-id"`
in DTS to match upstream definition and work correctly with the updated
driver, which switches the semantic handling of 'rgmii' and 'rgmii-id'.

Breaking ABI compatibility is acceptable for this board, as it has no
known users or interest from any users.

Signed-off-by: Yijie Yang <yijie.yang@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/qcs404-evb-4000.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb-4000.dts b/arch/arm64/boot/dts/qcom/qcs404-evb-4000.dts
index 358827c2fbd3..a3e67e83f69f 100644
--- a/arch/arm64/boot/dts/qcom/qcs404-evb-4000.dts
+++ b/arch/arm64/boot/dts/qcom/qcs404-evb-4000.dts
@@ -25,7 +25,7 @@ &ethernet {
 	pinctrl-0 = <&ethernet_defaults>;
 
 	phy-handle = <&phy1>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;

-- 
2.34.1