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Sun, 13 Sep 2026 13:18:46 -0700 (PDT) Received: from debian ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-486eb32d3c7sm20143821f8f.10.2026.09.13.13.18.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2026 13:18:45 -0700 (PDT) From: Srinivas Kandagatla To: Bjorn Andersson , Konrad Dybcio Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Douglas Anderson , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, mpearson-lenovo@squebb.ca, abel.vesa@oss.qualcomm.com, sibi.sankar@oss.qualcomm.com, Srinivas Kandagatla Subject: [PATCH 0/4] arm64: dts: qcom: Add Lenovo ThinkPad T14s Gen 7 Date: Sun, 13 Sep 2026 21:18:31 +0100 Message-ID: <20260913201835.250085-1-srinivas.kandagatla@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: XwN5yK8z9sVp8BKgfyUGDvy1JNE0JYyF X-Authority-Analysis: v=2.4 cv=Pv4G/AM3 c=1 sm=1 tr=0 ts=6aa70527 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=ZsC4DHZuhs/kKio7QBcDoQ==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=NEAV23lmAAAA:8 a=8k6WQxmsAAAA:8 a=AzqT7FCsPe08lIGMPrUA:9 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTEzMDI4OCBTYWx0ZWRfX5S5qFqjrFaX4 lzcN1QT8lFDfLpNzgS9sUEeg0U757rpkctap22wzwVD2MPkENAeset2joBu2PmSaYQ+bizjaSS6 nZ1OUQYefeR1XTjEz3tFgvo2BslSvhc= X-Proofpoint-ORIG-GUID: XwN5yK8z9sVp8BKgfyUGDvy1JNE0JYyF X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTEzMDI4OCBTYWx0ZWRfX4bB6gStlKSj6 XwbdX59Wh03tzRwVc6P02VyiTrFZz9A/5PpX+CYB1x96mghFOAW0xHFjwnWqI1nDV3s8lBi6eIO /UgzwqiFZsl+1y6HxoddP2Lml51PpaxvQG/3sn+0NEjdhAKByi0V/8ppZzxm5jHommb+FUI7TCE gl1INJoK9Hzi6XoQW7f12eAT3IPchzKk4ca/ZmSXNjfP0o2yo2BC+x0dCu9GHjAQyIum7qYyNWh 7n8TI+bG3ruDahBZcBPxZmuji35oy8ZjD97fWJ34NMFK8uZ+VFn+StqJtbqcCE4JyApQIL+Gylu bOq6/pJhnQM8M4Qv0QVpo6MdnPdgLFh+jKYYu/LbRZXy82b10ycUnc/FFC736VCurpckzmmurHL am586vitIyJdAgF9j7dTYshZkmPB2/D0NZEM/z1um5HvY8YHHkDcIZlA91zKSNV+wDBGLgO6h1p JQHDRWuGNVrn4dfpelA== 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=2026-09-13_07,2026-09-11_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 adultscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 spamscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609130288 Add device tree support for the Lenovo ThinkPad T14s Gen 7 [1], a Mahua (Snapdragon X2 Elite) laptop, together with the drm/panel-edp entry for its internal panel and a QSEECOM allowlist entry. Tested on the platform: - Display (internal eDP and external DP on both USB-C ports) - USB-C data + charging on both ports - Wi-Fi (WCN7850) and Bluetooth - NVMe on PCIe5 - HID-I2C touchpad, keyboard, TrackPoint, lid switch - Audio playback (2x WSA8845 speakers) and capture (DMICs) - ADSP / CDSP / SoCCP Not tested / out of scope: - WWAN (wiring included but no SKU with the modem to test) - GPU / GMU (kept out of scope for this bring-up) my working tree is: https://github.com/Srinivas-Kandagatla/linux/tree/upstream/t14s-Gen7 alsa ucm is in : https://github.com/Srinivas-Kandagatla/alsa-ucm-conf/tree/t14s-gen7 I plan to enable DP audio and other things in parallel. --srini Depends on Bjorn's: - phy: qcom: edp: split power-on sequencing by PHY version - phy: qcom: edp: update v8 power-on programming sequence [1]: https://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad_T14s_Gen_7_Snapdragon/ThinkPad_T14s_Gen_7_Snapdragon_Spec.pdf Srinivas Kandagatla (4): dt-bindings: arm: qcom: add Lenovo ThinkPad T14s Gen 7 (Mahua) drm/panel-edp: add CSOT MNE007QB1-1 entry arm64: dts: qcom: Add Lenovo ThinkPad T14s Gen 7 firmware: qcom: scm: Allow QSEECOM on ThinkPad T14s Gen 7 .../devicetree/bindings/arm/qcom.yaml | 1 + arch/arm64/boot/dts/qcom/Makefile | 1 + .../qcom/mahua-lenovo-thinkpad-t14s-gen7.dts | 1184 +++++++++++++++++ drivers/firmware/qcom/qcom_scm.c | 1 + drivers/gpu/drm/panel/panel-edp.c | 1 + 5 files changed, 1188 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/mahua-lenovo-thinkpad-t14s-gen7.dts -- 2.53.0