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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3081e91fb97sm18043030eec.14.2026.06.15.20.00.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2026 20:00:25 -0700 (PDT) From: Wei Deng To: Dmitry Baryshkov Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@oss.qualcomm.com, bartosz.golaszewski@linaro.org, quic_chezhou@quicinc.com, cheng.jiang@oss.qualcomm.com, shuai.zhang@oss.qualcomm.com, jinwang.li@oss.qualcomm.com, xiuzhuo.shang@oss.qualcomm.com, mengshi.wu@oss.qualcomm.com Subject: Re: [PATCH v2] arm64: dts: qcom: lemans-evk: Describe the PCIe M.2 Key E connector Date: Tue, 16 Jun 2026 08:30:20 +0530 Message-Id: <20260616030020.3699706-1-wei.deng@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: GyspmO3cHLQsqAUVinSrkWIBgImi1MYd X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE2MDAyNyBTYWx0ZWRfX/Jx45b3KjT0Y +TuAHkxRYzmGtx1Lkd5HMpe15/As+7n9PP++tb25FCOCZOexWc2i1cvQWVXTvVu72c5JHrS/eTH T52vn0KYLYmUMMGy1SaRyIbppO2h0A8= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE2MDAyNyBTYWx0ZWRfX78oX1DBsiyzH hkXMXXVbKXdujoDoeM8uVYd08d3/lZTUrrtT09KIVdKxMWC5CrvJnTcVJE62F7qxgPT4j8O2mrE NR+E0wGAup6xIXLM9lwLEXBLK5tH+pLtogSUBMlduU4m08KhJBYDVY9nLBR/VFKBHpGJONv6im4 SVMLWdfVuDObc4Jf6wLrMrXSuwMiBtyHCi/eppP1QKG3T6xnEQDM/DA9KMbRqkyVt4AuYplpNbC +R9IVZzPFbP3r0KOzLvIILpHFGpT/LxO54c7lOLFtXgv48FL1P7JCJMebXI4wPYVN4qHACsyDGh +V7Zze7xjBQw5+hrfBUw3W/GK3l8/t9jcdka1+9Z/bkAC4ULU+DG3gEMq6m2RQPV4+f0ZvwX5cW kjljwI8YmsSAhiFGfnbP0OnXkaO26E2JdJW0SJvEAjGg2atQ7BAdbxh7FcDgjT+N7JpTwIUGkIP PiwiZ24SSZmhqnQZdAw== X-Proofpoint-GUID: GyspmO3cHLQsqAUVinSrkWIBgImi1MYd X-Authority-Analysis: v=2.4 cv=AN2yTM5Z c=1 sm=1 tr=0 ts=6a30bcf9 cx=c_pps a=SvEPeNj+VMjHSW//kvnxuw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=Hb1RCdnMn6tQr2U0v4cA:9 a=Kq8ClHjjuc5pcCNDwlU0:22 a=cvBusfyB2V15izCimMoJ:22 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=2026-06-16_01,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606160027 Hi Dmitry, On Tue, Jun 16, 2026 at 03:28:11AM +0300, Dmitry Baryshkov wrote: > On Mon, Jun 15, 2026 at 04:02:28PM +0530, Wei Deng wrote: >> The lemans EVK has the PCIe M.2 Mechanical Key E connector to connect >> wireless connectivity cards over PCIe and UART interfaces. Hence, >> describe the connector node and link it with the PCIe 0 Root Port and >> UART17 nodes through graph port/endpoint. >> >> Also add 'compatible = "pciclass,0604"' to the pcieport0 node in >> lemans.dtsi to allow the PCI subsystem to associate the DT node with >> the PCI-to-PCI bridge device. >> >> The M.2 Key E connector is powered by a 3.3V fixed regulator >> (vreg_wcn_3p3) which is sourced from the board's 12V DC input rail >> (vreg_dcin_12v). Both regulators are always-on and are required by the >> pcie-m2-e-connector binding. >> >> Also add the serial1 = &uart17 alias, which is required for the >> Bluetooth serdev device to be enumerated on the UART17 interface. >> >> Signed-off-by: Wei Deng >> Reviewed-by: Bartosz Golaszewski >> --- >> Changes in v2: >> - Collected Reviewed-by tag and reorganized the patch > > Please don't send the patches as replies to the previous iterations. > Each new revision should be in a separate thread. Thanks for the feedback. I will make sure to start a new thread for each new revision going forward. >> >> Link: https://lore.kernel.org/linux-arm-msm/20260608091702.3797437-2-wei.deng@oss.qualcomm.com/ [v1] >> >> arch/arm64/boot/dts/qcom/lemans-evk.dts | 75 +++++++++++++++++++++++++ >> arch/arm64/boot/dts/qcom/lemans.dtsi | 1 + >> 2 files changed, 76 insertions(+) >> > > Reviewed-by: Dmitry Baryshkov > > > -- > With best wishes > Dmitry -- Best Regards, Wei Deng