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Mon, 19 Oct 2026 05:33:14 -0700 (PDT) X-Received: by 2002:ac8:5701:0:b0:535:fd16:4393 with SMTP id d75a77b69052e-536461cc281mr132702391cf.5.1792413194431; Mon, 19 Oct 2026 05:33:14 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4090dceadesm368526966b.20.2026.10.19.05.33.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Oct 2026 05:33:13 -0700 (PDT) Message-ID: Date: Mon, 19 Oct 2026 14:33:11 +0200 Precedence: bulk X-Mailing-List: linux-kernel@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: sm8550: Add support for Samsung Galaxy Tab S9 Wi-Fi To: Nizat Mikayilli , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Abel Vesa , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261005-gts9wifi-dts-v2-0-c3ac9b0f9ceb@dxdmail.cc> <20261005-gts9wifi-dts-v2-2-c3ac9b0f9ceb@dxdmail.cc> <2e3c1082-e5d0-4a33-ad3f-272dd74aa54c@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=CP6/zhrD c=1 sm=1 tr=0 ts=6ad60e0b cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=AqZmfHzJsoaMp3Ki:21 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=Fpsou6_slo2yYXvzRi8A:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: RFPe_BWAoF_ktH3of3sBYAGS-MAHlQ0G X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE5MDA0OSBTYWx0ZWRfX936xl6Nz5QIW mZY95v3GVunat7YYF/7WpHOrU4hrQE4szCSs+GcxhTEKu328x/GZczYTXlpoP+flJyq0cv6xSzz RI6Bqs0snxJZU4y83p+u+inme66XpAY= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE5MDA0OSBTYWx0ZWRfX/MxpHGE5X7GZ X7rNJElLGRSNRjaHA9ezoLZ3JdTBpOkE+toB+I3e7IzzmFvwvnxhpp3xhwa9nVW1wWHRJchJ6xY M/hZMf2IbDREx/TYhyxTm9OOO7hQcTdo8EZvHAXcslQ1NNkyh9Uh02ARKhQAgayS+Qh9qBCOZAV DB03cr6rGKkRCsTV/zrl4iqq7imlud1gaaOIGv/e3tjo5mSjzJS8pWMe8ZBe4/RY0Bw9gyv01tt 9qb9yKmvUQZZyiqp72GmQLQ2+I/7FTKcGbYK6IUsBTi2BxzVVe7i9QlrFYR7lizmg7akhAwTVOD IL2Wcy4xncul9ykDmiA4SyGGubSR7s+mZnavgo8eriNQvyLZOh1XRiFrOvKBjXEwqqwoYzZP63c Qu01bCEd+zng9Z+4MAu0j/vkmfIesg== X-Proofpoint-ORIG-GUID: RFPe_BWAoF_ktH3of3sBYAGS-MAHlQ0G 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=2026-10-19_03,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610190049 On 10/15/26 11:06 PM, Nizat Mikayilli wrote: > On 10/12/26 4:14 PM, Konrad Dybcio wrote: >> On 10/5/26 9:47 PM, Nizat Mikayilli via B4 Relay wrote: >>> amplifiers and the VA macro probing. The microSD slot is described but >>> not yet tested; audio playback and capture were not exercised. >> >> Please test them! > > Done: microSD works (UHS-I SDR104, read/write verified, card detect > works), and so do speaker playback and DMIC capture. I'll update the > commit message in v3. > >>> The display panel, touch, pen digitizer, cameras, battery/charging and >>> the wireless module are not described here; the latter needs additional >>> power sequencing and follows as a separate series. >> >> Wi-Fi/BT should be a low-hanging fruit, see e.g. sm8550-qrd.dts > > I tried a qrd-style description (wcn6855-pmu, PCIe0 with wifi@0, BT on > uart14). From a cold boot the chip doesn't come up: all PMU rails are on > and wlan-en is high, but there's no PCIe link and BT times out. > > It works with the same nodes once the 11 WLAN PDC messages from the > downstream qcom,pdc_init_table are sent to AOP over the AOSS QMP during > power-up (tested with a hacked-up pwrseq-qcom-wcn). So this needs a > driver change first, and I'd like to send it separately. Sure! > Any preference on how to model that? I'd rather not put the raw strings > in DT, so a table in the driver seems better, but I'm not sure what to > key it on, since other boards don't need it. Please show me what your current diff is, on other platforms we didn't have to go through these hoops.. Konrad