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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13d13015052sm55782385c88.5.2026.07.27.20.39.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jul 2026 20:39:09 -0700 (PDT) From: Wei Deng To: konrad.dybcio@oss.qualcomm.com Cc: wei.deng@oss.qualcomm.com, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.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, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] arm64: dts: qcom: monaco-evk: Describe the PCIe M.2 Key E connector Date: Tue, 28 Jul 2026 09:09:03 +0530 Message-Id: <20260728033903.2803187-1-wei.deng@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: 274b0878-3b12-459a-8b0f-350d51347ac0@oss.qualcomm.com References: 274b0878-3b12-459a-8b0f-350d51347ac0@oss.qualcomm.com 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-GUID: li4Bzf5z2u01iPrn0LcD97dhcpn8ZFeS X-Proofpoint-ORIG-GUID: li4Bzf5z2u01iPrn0LcD97dhcpn8ZFeS X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI4MDAzMCBTYWx0ZWRfX32UQ5Rk8E2gL 8lJsBrJHT8kjci0sXBGXcFE8CqlA1hf1VCA+x68nuZau5W4J2araWgGx8qcYRZR9xbIwsOnldCP wYfZ96BVMSxnc6TmmnWd7Sm1UFFTILE= X-Authority-Analysis: v=2.4 cv=PeHPQChd c=1 sm=1 tr=0 ts=6a68245e cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=Jekrlv1qWwMfjMpu9MMA:9 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI4MDAzMCBTYWx0ZWRfX5aRBB2q8N4NZ J0reGreQumL/ebi9VthKjsiI7G2ZoWlJI0pQPqkZ8kTuOy+uXsKLl4eVMbn6VixiUWWAeeJCXJ2 WXRDnOhGHqAaGzJly7E0pk6p5mA1OS0wZNiVAig9XB62OU2A9t8xmc5Q6eSS+stOzYuj2SmFMI3 Jtm8D1/G6NBvwd0IXH32mLc/9wYqeFgBArmn8msXzA/uoqv9gy2elupFYB1uFql+Wkl3RfOjUaU lsFfihZcXAkMyHaFnBxr7ppdEk5zcyez05WlC3xgtAiyXFc0pDeaLRUm+qXZWTvwHYjN57NQghr 2Bs+etE0+Y4GxZe9dNt5Z/BQ3AOYVmNinGHyJJ5lOnvvPdKbSjKCIxZeeGeeDd+ZLTmrCEAEAVP cRB6G25AB41qC+O65gPBGgFLprv0JJXK15KndCYmM4RkkQCuHuRr3VT8Socybf+oTNy56pJMfQT sNx/gC+xVv1EBoA6Sxg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-28_01,2026-07-27_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 clxscore=1015 adultscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607280030 Hi Konrad, On Mon, 27 Jul 2026 16:43:50 +0200, Konrad Dybcio wrote: > On 7/27/26 4:16 PM, Wei Deng wrote: > > @@ -644,6 +701,12 @@ &pcie1_phy { > > &pcieport0 { > > reset-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>; > > wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>; > > + > > + port { > > + pcieport0_ep: endpoint { > > + remote-endpoint = <&m2_e_pcie_ep>; > > + }; > > + }; > > This should be defined in the SoC DTSI. > > > }; > > > > &pcieport1 { > > @@ -923,3 +986,13 @@ &usb_2_hsphy { > > > > status = "okay"; > > }; > > + > > +&uart2 { > > + status = "okay"; > > + > > + port { > > + uart2_ep: endpoint { > > + remote-endpoint = <&m2_e_uart_ep>; > > + }; > > + }; > > On a second thought, it would be logical to move this over there > as well > > Konrad The concern I have with moving these to monaco.dtsi is that other boards sharing the same DTSI (e.g. qcs8300-ride.dts) don't have an M.2 connector. Adding port/endpoint nodes in the SoC DTSI would create dangling endpoints on those boards. The lemans-evk series followed the board-level approach (endpoint defined in lemans-evk.dts) and was accepted by Bjorn. Would you prefer a different approach for monaco, or is keeping it in the EVK DTS acceptable here as well? -- Best Regards, Wei Deng