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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b79f4976c43sm1099099666b.42.2025.12.08.04.29.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Dec 2025 04:29:43 -0800 (PST) Message-ID: <4d66229b-5d27-41bc-950f-534d489a8371@oss.qualcomm.com> Date: Mon, 8 Dec 2025 13:29:40 +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 00/10] Fix up WCN6855 RFA power supply name To: Bartosz Golaszewski , Konrad Dybcio Cc: Luiz Augusto von Dentz , linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jeff Johnson , Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Balakrishna Godavarthi , Rocky Liao , Bjorn Andersson References: <20251205-topic-wcn6855_pmu_dtbdings-v1-0-165611f687c8@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA4MDEwNSBTYWx0ZWRfX8tuyNgPQuVSp tU7sV9Hj2+cfFrH79o2IBUb/kt6mZCSqDY2dRbl3lIv43OC1WvYJ8PhyAP7e776yc1l9H8MV1I+ V5rH+6a7yrO3/xsw2To5xaRDwZ9FSk/J1P4m/9Q3w5qjjyewGKpNTcJ5spiDl0qcIypyF9pr9bZ r3T2TkpTfrAaS/llOGObKVmZFBpbttxl1vCcRrBIg5S1k0BaGfc0rvgsceQdbT/uP55sAs6tzkj Ti+fIi4kBVSd7Of+BcsDa152gvE0gzy4NfOp93q7H2UrkEmN7rTTmY156YivLlNQBK3Y18Zs4XZ 0NhL/cZdiJh5B/U0vJnQ988EpLlnlN1UlMemeuZsSrKQQjx07ksMTh1Sk9K/hsQp+Zuf++M2T8c Vt+/AsLqobORfKQ+c544f7pSlqbR9w== X-Proofpoint-ORIG-GUID: _Ci0vcUIPNNd0pMp3tXsSOLsbfA8zOM- X-Authority-Analysis: v=2.4 cv=cqSWUl4i c=1 sm=1 tr=0 ts=6936c4b9 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=H3i9fh9EHGKSR6tm9dIA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: _Ci0vcUIPNNd0pMp3tXsSOLsbfA8zOM- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-06_02,2025-12-04_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 bulkscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 suspectscore=0 adultscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512080105 On 12/6/25 11:36 AM, Bartosz Golaszewski wrote: > On Fri, 5 Dec 2025 13:47:19 +0100, Konrad Dybcio said: >> Commit 5f4f954bba12 ("dt-bindings: bluetooth: bring the HW description >> closer to reality for wcn6855") renamed the supply representing the >> VDD17_PMU_RFA leg to mention "1p8" instead. >> >> While the supply's voltage is normally 1.8 V, the bindings should >> reflect the actual naming of the pin. Moreover, almost all DTs define >> the output as 1p7, so that ends up looking a little odd.. >> >> Ultimately, this is a "fake" regulator that is consumed for the sake >> of DT sanity and this series is meant to bring uniformity and squash >> checker errors. >> >> The last patch fixes up a less-trivial warning. >> sc8280xp-microsoft-arcata is left out because I don't know whether the >> mounting of the chip is on-board or as an M.2-y card (although I would >> guesstimate the prior). >> >> Depends on the long-ready-for-the-merge series by Krzysztof (per-chip >> bindings split of qualcomm-bluetooth.yaml), mentioned below >> >> Signed-off-by: Konrad Dybcio >> --- > > I want to belive there was a reason for it but I no longer remember. :( Is it > possible the schematics for the lenovo X13s laptop had it described as 1p7? I think I checked the schematics of an add-in card used with Makena and Lemans designs and the WCN6855 datasheet. At the end of the day, one could argue for both levels but let's just have one! Thanks for the rb! Konrad