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Tue, 10 Feb 2026 22:29:30 -0800 (PST) Received: from hu-akakum-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8249e36809esm950905b3a.7.2026.02.10.22.29.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Feb 2026 22:29:29 -0800 (PST) From: Akash Kumar To: Greg Kroah-Hartman , Bjorn Andersson , Konrad Dybcio , Rob Herring , Dmitry Baryshkov , Krzysztof Kozlowski , Conor Dooley Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3] arm64: dts: qcom: qcs6490-rb3gen2: Enable USB2 controller Micro-USB OTG Date: Wed, 11 Feb 2026 11:55:51 +0530 Message-ID: <20260211062923.3794476-1-akash.kumar@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 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 X-Authority-Analysis: v=2.4 cv=GM4F0+NK c=1 sm=1 tr=0 ts=698c21cb cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=nDjxtR87dJjKcGfwTHQA:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-GUID: h3fATxWGruU-Jk8zIZ-dviCNn8b-InaI X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjExMDA1MSBTYWx0ZWRfX6BX2jtmWlhwo kOOjw72uqbnk7kfofl0XzKgTP7+6C5TYH0T2tMPHTzYa/+nW1UILTYj9Qbt27p52JNsqggYZGLo +uLtVX28EBh1YLeeXGp0hEPJCiXY3bmuSSEabx16LqGBBVkWSQUdO4s9AXko+mzs/aVb5QUy3hG DaAtPvwGaY3WvR69Q4fSJKu5A0IcazhlVwzcSy8Bj8EshqDb6cb2FEaNVE3FEw0ZcA8bO7EPVi4 uj8nj69B7SoTH8Rm37famG/8UVIAXFNIkvaLHMbH/NnBbDEVXhleTnNFmZReXlQkQOWt08CTCQk RmGTJ3TAyaiike89tNZycgl4E/S47zt9U6p4SJj5KSHyaXMNyRNuTPaW6sgaNMHJZ5IRvkJ8goS fIPVVmB8jt1QWdP5XBEDK+SxquuOk5UO7KMqVri0Cjrp5GAKTd3Y/gPtC9eVuBG9WimvW5/RIQo oPqrPFJPsXYYqbCq+Mg== X-Proofpoint-ORIG-GUID: h3fATxWGruU-Jk8zIZ-dviCNn8b-InaI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-10_03,2026-02-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 spamscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602110051 Content-Type: text/plain; charset="utf-8" Enable the secondary USB controller (USB2) and its High-Speed PHY to support OTG functionality via a Micro-USB connector. Define a dedicated 'usb2-connector' node using the 'gpio-usb-b-connector' compatible to handle ID and VBUS detection. Link this connector to the DWC3 controller via OF graph ports to satisfy schema requirements and enable role switching. Specific hardware configuration: - ID pin: TLMM 61 - VBUS detection: PM7325 GPIO 9 - VBUS supply: Fixed regulator controlled by TLMM 63 - Configure &usb_2 in OTG mode with role switching enabled. - Define a gpio-usb-b-connector node for Micro-USB support, mapping the ID pin to TLMM 61 and VBUS detection to PM7325 GPIO 9. - Add the 'vdd_micro_usb_vbus' fixed regulator (controlled by TLMM 63) to supply VBUS to the connector. - Add the 'usb2_id_detect' pinctrl state to configure GPIO 61 for ID detection. - Enable &usb_2_hsphy and populate necessary voltage supplies (VDDA PLL, VDDA 1.8V, VDDA 3.3V). Signed-off-by: Akash Kumar Reviewed-by: Dmitry Baryshkov --- v3: Added empty line between reg and endpoint. v2: https://lore.kernel.org/all/2zztcabuf4hkixj445m3iiqdsmg7jju62e3fgup= b6kaqirx5lq@2mhs5hcn3p7p/ --- v2: Fixed minor comments on v1: https://lore.kernel.org/all/ad294a50-027f-4= caa-a9b4-e145f709b50a@oss.qualcomm.com/ --- arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 66 ++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot= /dts/qcom/qcs6490-rb3gen2.dts index f29a352b0288..76f2c6b3d518 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -217,6 +217,16 @@ pmic_glink_sbu_in: endpoint { }; }; =20 + vdd_micro_usb_vbus: regulator-micro-usb-vbus { + compatible =3D "regulator-fixed"; + regulator-name =3D "MICRO_USB_VBUS"; + gpio =3D <&tlmm 63 GPIO_ACTIVE_HIGH>; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + regulator-boot-on; + enable-active-high; + }; + vph_pwr: regulator-vph-pwr { compatible =3D "regulator-fixed"; regulator-name =3D "vph_pwr"; @@ -262,6 +272,31 @@ active-config0 { }; }; =20 + usb2-connector { + compatible =3D "gpio-usb-b-connector", + "usb-b-connector"; + label =3D "micro-USB"; + type =3D "micro"; + id-gpios =3D <&tlmm 61 GPIO_ACTIVE_HIGH>; + vbus-gpios =3D <&pm7325_gpios 9 GPIO_ACTIVE_HIGH>; + vbus-supply =3D <&vdd_micro_usb_vbus>; + pinctrl-0 =3D <&usb2_id_detect>; + pinctrl-names =3D "default"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + usb2_connector_ep: endpoint { + remote-endpoint =3D <&usb2_controller_ep>; + }; + }; + }; + }; + wcn6750-pmu { compatible =3D "qcom,wcn6750-pmu"; pinctrl-0 =3D <&bt_en>; @@ -1137,6 +1172,12 @@ qup_uart7_sleep_tx: qup-uart7-sleep-tx-state { */ bias-pull-up; }; + + usb2_id_detect: usb2-id-detect-state { + pins =3D "gpio61"; + function =3D "gpio"; + bias-pull-up; + }; }; =20 &uart5 { @@ -1200,6 +1241,31 @@ &usb_1_qmpphy { status =3D "okay"; }; =20 +&usb_2 { + status =3D "okay"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + usb2_controller_ep: endpoint { + remote-endpoint =3D <&usb2_connector_ep>; + }; + }; + }; +}; + +&usb_2_hsphy { + vdda-pll-supply =3D <&vreg_l10c_0p88>; + vdda18-supply =3D <&vreg_l1c_1p8>; + vdda33-supply =3D <&vreg_l2b_3p072>; + + status =3D "okay"; +}; + &usb_dp_qmpphy_out { remote-endpoint =3D <&redriver_phy_con_ss>; }; --=20 2.43.0