linux-kernel - [PATCH 4/4] arm64: defconfig: Add M31 eUSB2 PHY config

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Message-Id: <20250924-knp-usb-v1-4-48bf9fbcc546@oss.qualcomm.com>
Date: Wed, 24 Sep 2025 16:34:57 -0700
From: Jingyi Wang <jingyi.wang@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, Jingyi Wang <jingyi.wang@....qualcomm.com>,
        aiqun.yu@....qualcomm.com, tingwei.zhang@....qualcomm.com,
        trilok.soni@....qualcomm.com, yijie.yang@....qualcomm.com,
        Melody Olvera <melody.olvera@....qualcomm.com>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: [PATCH 4/4] arm64: defconfig: Add M31 eUSB2 PHY config

From: Melody Olvera <melody.olvera@....qualcomm.com>

The Qualcomm SM8750 SoCs use an eUSB2 PHY driver different from the
already existing M31 USB driver because it requires a connection
to an eUSB2 repeater. Thus, for USB to probe and work properly on
the Qualcomm SM8750 SoCs, enable the additional driver.

Signed-off-by: Melody Olvera <melody.olvera@....qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index e3a2d37bd104..24b1c943a7e1 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1641,6 +1641,7 @@ CONFIG_PHY_QCOM_QMP=m
 CONFIG_PHY_QCOM_QUSB2=m
 CONFIG_PHY_QCOM_EUSB2_REPEATER=m
 CONFIG_PHY_QCOM_M31_USB=m
+CONFIG_PHY_QCOM_M31_EUSB=m
 CONFIG_PHY_QCOM_USB_HS=m
 CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=m
 CONFIG_PHY_QCOM_USB_HS_28NM=m

-- 
2.25.1