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Wed, 04 Nov 2026 00:36:34 -0800 (PST) Received: from [192.168.226.1] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4d0e424c34sm46273066b.13.2026.11.04.00.36.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Nov 2026 00:36:33 -0800 (PST) Message-ID: Date: Wed, 4 Nov 2026 09:36:31 +0100 X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/5] arm64: dts: qcom: sc8180x: Add Microsoft Surface Pro X To: Val Packett , Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Maximilian Luz , Hans de Goede , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , Alexandre Belloni , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org References: <20261104070441.74127-1-val@packett.cool> <20261104070441.74127-3-val@packett.cool> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261104070441.74127-3-val@packett.cool> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: jaZ99nPyRWlQrUJFpZ4uwT6pZPk0jonu X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA0MDAzNCBTYWx0ZWRfX9x9XBf9Q8gqZ sqsvauN6Yt6zShBmz0Y1OzxDXWwmhEd6+ndN54boF0ZgDvG8dsdgalCmAseDWL5xIUZ8Yr9x/Nt 8CLIekH+ULvJuqRjeaml8TU4LO34wAHM6EIZMuVHvoRjqNUfyFBxaZTPAPLwBHZXSh1PQS8bgDt SJC+QmG/0ipdrak/j+6dBhrMurp73wTZ74O8oV0Ok09v10p5XX/VTMZeNEC7BKcm/vVa0/yYqUx pWVY+lolL9EyctOOYSPVXi5I0/EKic6QI1UqFhPxFFYR9Qd8khxvGAmdxsVP4EtnFVHcfBn8TjZ y/j+L/vGryh9FwNm/Qx+0285g9CpcA4Y12vZF/4ZUl+HOY1H2CnwlliNtOGj07UeSYH9fVmOG+z G/FX3IsRvc2xiYJaHYpGP4m02WjzhATo25p7mk7Pe2pWnctttc0oighEJrHt9Bn+gIb4kRKhQXV 0LQfjAazrYp0R30P4mw== X-Proofpoint-ORIG-GUID: jaZ99nPyRWlQrUJFpZ4uwT6pZPk0jonu X-Authority-Analysis: v=2.4 cv=NMhAaE6g c=1 sm=1 tr=0 ts=6aeaee93 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=pGLkceISAAAA:8 a=S4lLRux2dGMH_Q5bArEA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMTA0MDAzNCBTYWx0ZWRfX7KpH5bsgfskX kEuDQ2lhGy1k41grDk0ABSl5nxin9hU5+dy1M5I/xlomOaqhVb8WMeYlwt1RiTLBbteyu3jxTR+ RHF0yp4U2OVWj1Mh7Vpnkxs6v08i1DM= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-04_02,2026-11-03_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 suspectscore=0 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611040034 On 11/4/26 8:04 AM, Val Packett wrote: > From: Maximilian Luz > > Introduce a device tree for the Surface Pro X tablet in all 3 variants > (SQ1 with cellular, SQ1 Wi-Fi only, SQ2 with cellular). > > Currently working: > > * Display, backlight (eDP panel) > * USB 2.0 > * Wi-Fi and Bluetooth (WCN3998) > * NVMe on PCIe2 > * Embedded controller (Surface SAM over UART) > * All remoteprocs (ADSP, CDSP, MPSS, SLPI) > * Volume and power buttons [...] This needs some sorting etc., but let's tackle the bigger prob first > +&mdss_edp { > + pinctrl-0 = <&edp_hpd_active>; > + pinctrl-names = "default"; > + > + status = "okay"; > + > + aux-bus { > + panel { > + compatible = "edp-panel"; > + enable-gpios = <&tlmm 130 GPIO_ACTIVE_HIGH>; > + no-hpd; Is there really no HPD? The pinctrl above suggests otherwise [...] > +&pcie2 { > + // XXX: pcie1 and pcie2 are multi'd together, for now use just one > + num-lanes = <2>; We should be using the new phy-qcom-qmp-pcie-multiphy.c driver I think, I'll try chasing down the right magic values > + > + pinctrl-0 = <&pcie1_default_state>; > + pinctrl-names = "default"; > + > + // HACK: Remove "global" interrupt Why? Konrad