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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-65a3cf4ccd0sm1526530a12.27.2026.02.12.01.03.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Feb 2026 01:03:35 -0800 (PST) Message-ID: <0d707127-4f86-4e53-ac6f-a5c85c531e08@oss.qualcomm.com> Date: Thu, 12 Feb 2026 10:03:33 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2: Enable USB2 controller Micro-USB OTG To: Akash Kumar , 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 References: <20260211052146.3760500-1-akash.kumar@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260211052146.3760500-1-akash.kumar@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 4pjyE-zwQQLv25LbJ0BA1L_A0rteWp1i X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjEyMDA2NiBTYWx0ZWRfXx+C0JtIm3Z/X KwsusZQ8/2PjvKtc9ccZWoq96REsmyeTeHt3ztPR26yRQ1qJ2ZoueLcmzb+3bUK9bYnGvO3zSJk 1JqqYRcwZ8DG1eS2z7XF2o5rMM0LEMorcG8cY8R12godVW3gzf9Bld4ZE1KUrWsD9mGJ/uIPlcQ +V2joKw04lj+AyCAQ+Lbj5E0vo88oLjZp5i5wQ8mpiolnaWGmPuzZYi7Ayq1ursA3c6py7iGHek 9CeBUc1BKlCL4mb2mHWZAYUBAnewPaYvV6Fzpl51rCWtDwLtR3qD9cPcE8VdNpezq9a7wo4GZ5q 1NFTsVKJJ6dP76Lo4POfTYXuqE75cbMnGH6xMGUDlJWwqX3qz8++fyqUVmxzmpqUsANJQ3LTLow Z7pqIP+1RdJMQi4gF4kPelQxN+Unu3Q3avPWb82oSNGPZg3xtQ3dbp+Emg0G7w+piheaaQ0rHCY 0Ux0EXB8f1Vq12ukn+w== X-Authority-Analysis: v=2.4 cv=ZaMQ98VA c=1 sm=1 tr=0 ts=698d976b cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 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=mYmVozO8WKkDhUnJKfgA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: 4pjyE-zwQQLv25LbJ0BA1L_A0rteWp1i 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=2026-02-12_02,2026-02-11_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 suspectscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602120066 On 2/11/26 6:18 AM, Akash Kumar wrote: > 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 > - 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 > --- > v2: Fixed minor comments on v1: https://lore.kernel.org/all/ad294a50-027f-4caa-a9b4-e145f709b50a@oss.qualcomm.com/ > --- Reviewed-by: Konrad Dybcio Konrad