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Wed, 02 Sep 2026 06:49:40 -0700 (PDT) X-Received: by 2002:a05:6122:e006:10b0:5c1:24b6:a1e0 with SMTP id 71dfb90a1353d-5c7d2832ab9mr519675e0c.3.1788356979816; Wed, 02 Sep 2026 06:49:39 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3a34ad015d1sm5649791fa.22.2026.09.02.06.49.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Sep 2026 06:49:38 -0700 (PDT) Message-ID: Date: Wed, 2 Sep 2026 15:49:36 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sm8750: Add Lenovo Legion Y700 Gen4 To: Pengyu Luo , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260726143048.130116-1-mitltlatltl@gmail.com> <20260726143048.130116-3-mitltlatltl@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260726143048.130116-3-mitltlatltl@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDEyMiBTYWx0ZWRfX3oxbekgBKYV7 +ny5nBjxVOex8ECDo7j1Gp+En0LMoukSoq3ovA+UPZ96ZBmwlLag7yFoVkvpze/c1KdK03zi7Fu ddHHxfErjyieP6lpqjZdw9qNSuSuClJk4ST/qIp9J9Y9+ROemLnOHqByHxXF3esfmlmc8INiSoE kgaNduQUZAIwdNfwrQ5Ho56Ip3TeGwuzaeGFpV1dKtBuOJVRQs5TOYU0svlfRoQPRtzy0YYjxsa /F2cyEM+I4Dlw4e6XlVn4ddUNpwZs4f+IobEpbaKTAH+tlGBREYJqKr3ZSAbSXEmr8X+kpTGLl3 46LjYLvxfr7kMJgQgmTDefoAkQ7C16Cz6E8u+4eqKshfaSoFqGvfmkZ2or0K9pNCUqunZpS9KTn JbAVCrRg2cYvA4gtoarkk3EvLQv+H9glFSWFRapYHBbxezpKz/xFMM9OyGk0ep6GTg/3Rx53eTh BGc275R7IpTSk5tWB1Q== X-Proofpoint-GUID: 3XvIuLa8lRJhf0yXEbe5U10i0sh469v6 X-Authority-Analysis: v=2.4 cv=D8N37PRj c=1 sm=1 tr=0 ts=6a982975 cx=c_pps a=5HAIKLe1ejAbszaTRHs9Ug==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EiTzJyzHe8GYNTRMAEEA:9 a=QEXdDO2ut3YA:10 a=gYDTvv6II1OnSo0itH1n:22 X-Proofpoint-ORIG-GUID: 3XvIuLa8lRJhf0yXEbe5U10i0sh469v6 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDEyMiBTYWx0ZWRfX10mIdAZ+DNzu 5cBL/QFnysVqK5z+SR+C9Ww1L82CcE64Rp4K/7i5d2VdXKnZsmkf0UTY5cmHUyxYVGimfNH1wSG Owzaq/G6RbOQY5FywyK5UrFrRkrlFbk= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-02_03,2026-09-01_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 spamscore=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 impostorscore=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-2609020122 On 7/26/26 4:30 PM, Pengyu Luo wrote: > Add an initial devicetree for the Lenovo Legion Y700 Gen4, which is > based on sm8750-qrd. > > Supported features: > - Altmode > - Backlight > - Battery & Charge (Full speed) > - Buttons > - Framebuffer (Require mdss and dispcc to be disabled) > - USB (Two ports) > > Downstream supported features: > - Display (8/10 bits) (Nowadays DPU driver is broken for dual dsi panel) > - GPU > - Touchscreen This paragraph is wholly irrelevant given the tree this is targetting [...] > +&tlmm { > + /* For CDT: <32 3> <37 2> <77 1>; */ What's CDT in this context? [...] > +&usb { > + dr_mode = "otg"; > + maximum-speed = "super-speed-plus-gen2x1"; Neither property should be necessary > + > + status = "okay"; > + > + ports { > + /* > + * USB2.0 is shared for two ports, set pinctrl eusb_mux_default > + * to select the repeter. Plugging out one of them will reset > + * the DWC3, which causes both of them to be disconnected. > + */ Is there a hub inbetween? Or can you only use one port at once for data? Konrad