linux-kernel - [PATCH v7 2/4] arm64: dts: qcom: sm8750: Add USB support for SM8750 MTP platform

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Message-Id: <20251015105231.2819727-3-krishna.kurapati@oss.qualcomm.com>
Date: Wed, 15 Oct 2025 16:22:29 +0530
From: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Arnd Bergmann <arnd@...db.de>, Nishanth Menon <nm@...com>,
        Eric Biggers <ebiggers@...nel.org>, nfraprado@...labora.com,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Wesley Cheng <quic_wcheng@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Melody Olvera <melody.olvera@....qualcomm.com>,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Subject: [PATCH v7 2/4] arm64: dts: qcom: sm8750: Add USB support for SM8750 MTP platform

From: Wesley Cheng <quic_wcheng@...cinc.com>

Enable USB support on SM8750 MTP variants.  The current definition will
start the USB controller in peripheral mode by default until
dependencies are added, such as USB role detection.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Wesley Cheng <quic_wcheng@...cinc.com>
Signed-off-by: Melody Olvera <melody.olvera@....qualcomm.com>
Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
index 3bbb53b7c71f..815651f65214 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
@@ -1121,6 +1121,30 @@ &uart7 {
 	status = "okay";
 };
 
+&usb_1 {
+	status = "okay";
+};
+
+&usb_1_dwc3 {
+	dr_mode = "peripheral";
+};
+
+&usb_1_hsphy {
+	vdd-supply = <&vreg_l2d_0p88>;
+	vdda12-supply = <&vreg_l3g_1p2>;
+
+	phys = <&pmih0108_eusb2_repeater>;
+
+	status = "okay";
+};
+
+&usb_dp_qmpphy {
+	vdda-phy-supply = <&vreg_l3g_1p2>;
+	vdda-pll-supply = <&vreg_l2d_0p88>;
+
+	status = "okay";
+};
+
 /* Pinctrl */
 &lpass_tlmm {
 	spkr_0_sd_n_active: spkr-0-sd-n-active-state {
-- 
2.34.1