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Wed, 01 Jul 2026 04:25:44 -0700 (PDT) X-Received: by 2002:ac8:5ad6:0:b0:50f:b9a6:82ae with SMTP id d75a77b69052e-51c26a45ba4mr10768301cf.2.1782905143868; Wed, 01 Jul 2026 04:25:43 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1288f4c19esm258210866b.51.2026.07.01.04.25.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 04:25:43 -0700 (PDT) Message-ID: Date: Wed, 1 Jul 2026 13:25:40 +0200 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 2/3] regulator: qcom_usb_vbus: add support for qcom,pm4125-vbus-reg To: Rakesh Kota , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wesley Cheng , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, jishnu.prakash@oss.qualcomm.com, kamal.wadhwa@oss.qualcomm.com References: <20260701-add_pm4125-vbus-reg-v2-0-6bac2bac7131@oss.qualcomm.com> <20260701-add_pm4125-vbus-reg-v2-2-6bac2bac7131@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260701-add_pm4125-vbus-reg-v2-2-6bac2bac7131@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDEyMCBTYWx0ZWRfX37Y9WI3wCBqR T92pLruOyY//rV8SN0F0NP2s11vD8er5lL/6/hnTrCUeRqfo9/9C1l/MX0NgwAN0ThyTRCUr1Bv ka0r1XgUXDUC8MWM7t3uE1d1SVHIBgg= X-Authority-Analysis: v=2.4 cv=MpJiLWae c=1 sm=1 tr=0 ts=6a44f939 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=eoxlGDcgPB-HuCwanXQA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: uDOeHfHCcDmqYgO2eqJO_nldypp7ahNf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDEyMCBTYWx0ZWRfXx1U+KJ8izeaT vXGlr+coM8XiYcmjyO6f7VTWmqQOSHhKe7a6qqXOQDas14YfAKKYOW5dVqy8lIprh0Kda3yrNMp 3ELbi3dxzgPJkc49HWqa6U6vUAEDanzegbYgCfHITqnKA9jdy3OLCsaazh7A8sjd5CXg16aOpRx Ol8xHybQEEyCu6u89Lk24byImA9YCdBxBEkGws1W7XrJRpn9MG3MKJeKAf7XlC6MCArWAIB+vh0 C97Ku0MLrOqk4CLegpjQlg2MWmSX/6Fmo8vo40fHTHMaAHnVh3SM28yIbTj9PxXbVDwuHA9jz9j iiDYu/4cQAeFJtTr2XiLtmXaONGKoJ8cTPaKVBcYgXNQgCv3HJ1E/bNkO9TfT/iZejM/l3mz0XV JJsdr0U0IK7i4JsNDg3Nr1e7a1ptQUDkOwUhY/lQGmRejr77OBSqmZa5kx9Y/JTW5i0U9pwGaYu kKL/Fv/GdYvsUrWCZug== X-Proofpoint-GUID: uDOeHfHCcDmqYgO2eqJO_nldypp7ahNf X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-01_03,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607010120 On 7/1/26 12:28 PM, Rakesh Kota wrote: > The PM4125 PMIC uses a different register layout for USB VBUS control > compared to PM8150B. On PM4125, CMD_OTG is at offset 0x50, OTG_CFG is > at 0x56, and offset 0x52 is a 2-bit VBOOST voltage selector rather than > a current-limit selector. > > Introduce per-compatible regulator descriptor data to accommodate these > differences. This keeps the existing PM8150B current-limit logic intact > while adding a dedicated voltage-selector path for PM4125. > > Signed-off-by: Rakesh Kota > --- Reviewed-by: Konrad Dybcio Konrad