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Signed-off-by: Mohd Ayaan Anwar --- .../devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml | 4 = ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii= -phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-= phy.yaml index 90fc8c039219c739eae05cc17108a9a2fc6193df..0a1330b9118d63cf5400325c58b= ca05ebc641055 100644 --- a/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.ya= ml +++ b/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.ya= ml @@ -36,6 +36,10 @@ properties: description: Phandle to a regulator that provides power to the PHY. =20 + vdda-0p9-supply: + description: + Phandle to a 0.9V regulator supply to the PHY. + "#phy-cells": const: 0 =20 --=20 2.34.1 From nobody Tue Dec 2 00:47:55 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C17722F617E for ; 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Fixes: 71ee90ed1756 ("arm64: dts: qcom: lemans-evk: Enable 2.5G Ethernet in= terface") Signed-off-by: Mohd Ayaan Anwar Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/lemans-evk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/= qcom/lemans-evk.dts index b40fa203e4a2f080f501140fd1c68b72d797fd00..7e5069101f093d077eed867f843= 1ba0d01797f4e 100644 --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts @@ -675,6 +675,7 @@ &sdhc { =20 &serdes0 { phy-supply =3D <&vreg_l5a>; + vdda-0p9-supply =3D <&vreg_l4a>; =20 status =3D "okay"; }; --=20 2.34.1 From nobody Tue Dec 2 00:47:55 2025 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A52BE2F6190 for ; Mon, 24 Nov 2025 09:26:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Fixes: 5ef26fb8b3ed ("arm64: dts: qcom: sa8775p-ride: enable the SerDes PHY= ") Signed-off-by: Mohd Ayaan Anwar Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi b/arch/arm64/= boot/dts/qcom/lemans-ride-common.dtsi index c69aa2f41ce29f9f841cc6e6651a8efc38690e19..17b5e79036161212f60e9f1f728= c1af2448d1b4e 100644 --- a/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi +++ b/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi @@ -779,11 +779,15 @@ &qup_uart17_rx { =20 &serdes0 { phy-supply =3D <&vreg_l5a>; + vdda-0p9-supply =3D <&vreg_l4a>; + status =3D "okay"; }; =20 &serdes1 { phy-supply =3D <&vreg_l5a>; + vdda-0p9-supply =3D <&vreg_l4a>; + status =3D "okay"; }; =20 --=20 2.34.1 From nobody Tue Dec 2 00:47:55 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 363A22F7AA9 for ; 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Update the node to reflect the same instead of incorrectly voting for only L4A. Fixes: 117d6bc9326b ("arm64: dts: qcom: qcs8300: Add Monaco EVK board") Signed-off-by: Mohd Ayaan Anwar Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/monaco-evk.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/= qcom/monaco-evk.dts index bb35893da73d141465a325dcfb5542fc032c95a1..4b51a73cb5e95ab09deb9c94b4c= df06bf4c09a7b 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts @@ -429,7 +429,8 @@ &remoteproc_gpdsp { }; =20 &serdes0 { - phy-supply =3D <&vreg_l4a>; + phy-supply =3D <&vreg_l5a>; + vdda-0p9-supply =3D <&vreg_l4a>; =20 status =3D "okay"; }; --=20 2.34.1 From nobody Tue Dec 2 00:47:55 2025 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E39CA2F7ACD for ; 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Fixes: 787cb3b4c434 ("arm64: dts: qcom: qcs8300-ride: enable ethernet0") Signed-off-by: Mohd Ayaan Anwar Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dt= s/qcom/qcs8300-ride.dts index 9bcb869dd270603a34221b905f0946e8af028433..66f60146a7498a86dfa2cfc0a75= e3dbc540d9684 100644 --- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts +++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts @@ -338,6 +338,8 @@ &remoteproc_gpdsp { =20 &serdes0 { phy-supply =3D <&vreg_l5a>; + vdda-0p9-supply =3D <&vreg_l4a>; + status =3D "okay"; }; =20 --=20 2.34.1 From nobody Tue Dec 2 00:47:55 2025 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3DD92F7AA9 for ; Mon, 24 Nov 2025 09:26:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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If both of these are not enabled, the following error is observed: [ 77.105651] qcom-dwmac-sgmii-phy 8909000.phy: QSERDES_COM_C_READY_STATUS= timed-out [ 77.113447] qcom-ethqos 23040000.ethernet eth0: __stmmac_open: Serdes po= werup failed Therefore, add support for handling the additional regulator in the driver. Fixes: 601d06277007 ("phy: qcom: add the SGMII SerDes PHY driver") Signed-off-by: Mohd Ayaan Anwar --- drivers/phy/qualcomm/phy-qcom-sgmii-eth.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c b/drivers/phy/qualco= mm/phy-qcom-sgmii-eth.c index 5b1c82459c126fe3a046a89601483d8c73090fd3..5044f244762f4bb2318618b83bd= 94324d445b62d 100644 --- a/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c +++ b/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c @@ -10,6 +10,7 @@ #include #include #include +#include =20 #include "phy-qcom-qmp-pcs-sgmii.h" #include "phy-qcom-qmp-qserdes-com-v5.h" @@ -26,6 +27,7 @@ #define QSERDES_COM_C_PLL_LOCKED BIT(1) =20 struct qcom_dwmac_sgmii_phy_data { + struct regulator *vdda_0p9; struct regmap *regmap; struct clk *refclk; int speed; @@ -266,9 +268,23 @@ static int qcom_dwmac_sgmii_phy_calibrate(struct phy *= phy) =20 static int qcom_dwmac_sgmii_phy_power_on(struct phy *phy) { + int ret; struct qcom_dwmac_sgmii_phy_data *data =3D phy_get_drvdata(phy); =20 - return clk_prepare_enable(data->refclk); + ret =3D regulator_enable(data->vdda_0p9); + if (ret) + goto out_ret; + + ret =3D clk_prepare_enable(data->refclk); + if (ret) + goto out_reg_disable; + + return 0; + +out_reg_disable: + regulator_disable(data->vdda_0p9); +out_ret: + return ret; } =20 static int qcom_dwmac_sgmii_phy_power_off(struct phy *phy) @@ -283,6 +299,8 @@ static int qcom_dwmac_sgmii_phy_power_off(struct phy *p= hy) =20 clk_disable_unprepare(data->refclk); =20 + regulator_disable(data->vdda_0p9); + return 0; } =20 @@ -343,6 +361,10 @@ static int qcom_dwmac_sgmii_phy_probe(struct platform_= device *pdev) if (IS_ERR(data->refclk)) return PTR_ERR(data->refclk); =20 + data->vdda_0p9 =3D devm_regulator_get(dev, "vdda-0p9"); + if (IS_ERR(data->vdda_0p9)) + return PTR_ERR(data->vdda_0p9); + provider =3D devm_of_phy_provider_register(dev, of_phy_simple_xlate); if (IS_ERR(provider)) return PTR_ERR(provider); --=20 2.34.1