From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3E6694399F2 for ; Mon, 12 Oct 2026 07:40:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791790831; cv=none; b=RcmckPGFY1bGOdJwBC9Kr4+VwrQCVFvAePa9cSg7535hhgLmizKxts7OAVc6ZZMtnikdsvet/iL0HCMUH/DLHYdhcUhp6cLDhMnxWP72VKb3lnJ2JgMFHlkzkDBAIYdEhQSoIiHJDjvMZq2ITGyS+xZojVqQsTB+C7HtF8xPfSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791790831; c=relaxed/simple; bh=TJJoflzFcFZ4cQXlQeaQN+SOZ1EUO7jBM0FzgQFtgZg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=TLNkuSoQ6C69i4VRMPXaG3Ua41srkSy8VGmbtufyyddvt7J0c8PMdM81xTMFYgwSvdMDqP470+6SbeKbayE22fgDaIMgJbnMme8Hp8VAkTOZ34xWnTLwRsB0yAvHQM0T3PiJnVvSK70i3RmbRZVdvqVdJUNFl4BV00xs5VIq+kQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=BbDt+0jt; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=kioMZBTB; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="BbDt+0jt"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="kioMZBTB" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 69C5Y9DH1216072 for ; Mon, 12 Oct 2026 07:40:29 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 7ZXhT5AUPUcds7dQKh6lnrg0DqfZ52DTtRRleOpRZB0=; b=BbDt+0jts0UI35rE Ala+sra75Ls/AZ4Pg20JTC93V6b5ODjcU60EV1QNpikxGXxilBDsxo+hHy/LmACQ EFzmLzk1UWOXRb5uQev5zjVdMEv/g9FvKXma36DdZT201JxJcuUJAlwb8JcERF+p 5H8GdctP5ksZr4VYrFvao+8QRX6daPPp+GD2nXxxwUQxKVK+QO/AqdXefxJPvILJ Bm01YQ00vc7hZJTvwlxibhGG5oBOl8wbZADt5I8DCb9zaUdN7l7sMxybh4WrpD8H HmUYip1S8/Gy5S9Gh4n1Mxvd8adJrf6kZPj9m+JFZvlepyF4E7M9xEvRFZbyFxvU TvPaXw== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4h8sgu0ht5-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 12 Oct 2026 07:40:29 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-5350173dc7aso3618441cf.0 for ; Mon, 12 Oct 2026 00:40:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1791790828; x=1792395628; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=7ZXhT5AUPUcds7dQKh6lnrg0DqfZ52DTtRRleOpRZB0=; b=kioMZBTBp20AO1Wc6g7+s8XvaD0loJJ7xDcBcNq8P2M8LZKoo16nu+d/gqHnrIhIg+ Kdzatjk2go6dPE3K9RgWGTAbH5Lo8rpp9pjGEtN0qExUjlnC6UWqlf3rMNwjRwdQrk7o CIq+tl7OgW+4yWT5Phr0lx8KPJ9toeJMn+hZOx9V3SWOzKtzIxxcO8jq1yDYweuDHC59 ConSeMOG4t99+rWo8yID4W8ZXzZi5XqVpf+HO/rzotWAzjgisOfzVqWF2gGJh2MfSuXm BwYSlgsM9B30a+mdFwYIzqfYhcWZYqo+hT7n6U3iHAQ2jfSQGUcf0pXj5shZqaKPs8rJ 9WeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791790828; x=1792395628; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=7ZXhT5AUPUcds7dQKh6lnrg0DqfZ52DTtRRleOpRZB0=; b=0fQJLmc4w962gfDNdUn9qUgRJHPAUTDfiEklw7aZNmelHUpqpZlagK6ZqoE4nSE+se 0kAkPjzEmyAdrFnd3kK4r8NPO0U2CQ3KBWdW8/P0TfxdR7ICzS0CttDcttqn69rswygx 46NMt3Bi+unbwmrbgCQPCQGfM8gWHPiRuUpMuGK+DKMW0/YLYcUxg0jF40B8Tl0DlYuM cyL64OZvwMulwWYEZmdAyLRgv3QpfM2UFLA8WKsfG0y3l6E+Sw2FmmV8zRg/x8PQnKb8 xgFoq/xDHSYewZ5T5ywYzU9T7bbx8enUuIo83CNzsKScmbaKevUUCkEFSQ+P+fylhXq9 KZsw== X-Forwarded-Encrypted: i=1; AKwUvBwN+xFzI1EhJmbj/RvMNZ/6l0bkOHKp+HA1+MbrPssKVhrn+vsYufe6KyPtGe/E1D+0VJDKsXy/MFlEnoc=@vger.kernel.org X-Gm-Message-State: AFq9FYI8a8UGtMsOA0BlKrQJ5CVhlVj9BXS+IndMTiIHSr/ElVhYvuLC qcFlMIK3DAHPDmJaeihANZeGG3OkYW/TcVXX7DEQ9/2lCxTswIV0dRcKXRlY6yosICr75kJTgd0 kqJE7Wqo6ZlcTOgj/M4brCix24tjIMQSZcYh8ndmVYECqXfB6yPRju8tSSFcQL/1Vy24= X-Gm-Gg: AYBFou2C2BpULLKRF9yofDt/9+N9Q8JUE0AjAkR4G9bvvm5efcuY0pxRzFJMkTyvIuM ivvSX4QaK81vvxHkcgROYqvRXXnq9k7I8hwcbCdRuwHdYtMUBVYihNB48wg6VJRXGcOHGFupiTU GrOpd93ERsUyfZ/Fza7tsQyJ0V4zg4X2c1TePPenQcZ+GghNUIFABI3tOl0JTZ3v5KzrZgw1oMf rW3slZuVnHPjIuKo6qaS8q0iO8XBPId+qIiJjaK1b1KhISZ+pN/WovqCGjS9krWGh5+kFqa63YJ 5IBejiCkQExk38Q26W5LWSZ5E+VP0Y9j/04l5JOEEVvmON2cpRDqayfUeJXfXkzmOL3PSbYowZz gXNFZGQ4srCaIdAcPbmwPJA== X-Received: by 2002:a05:622a:e0cf:10b0:533:6948:3d2b with SMTP id d75a77b69052e-5359f4990d7mr117219341cf.1.1791790828465; Mon, 12 Oct 2026 00:40:28 -0700 (PDT) X-Received: by 2002:a05:622a:e0cf:10b0:533:6948:3d2b with SMTP id d75a77b69052e-5359f4990d7mr117219061cf.1.1791790827961; Mon, 12 Oct 2026 00:40:27 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c31a9accf47sm429403466b.76.2026.10.12.00.40.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2026 00:40:26 -0700 (PDT) Message-ID: <2ca0fff3-aadc-4dcd-93e8-df2ffbac08ab@oss.qualcomm.com> Date: Mon, 12 Oct 2026 09:40:24 +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 1/5] arm64: dts: qcom: nord: Add PCIe PHY and controller nodes To: Shawn Guo , Krishna Chaitanya Chundru Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Yu Zhang , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa , Bartosz Golaszewski References: <20260915015632.283642-1-shengchao.guo@oss.qualcomm.com> <20260915015632.283642-2-shengchao.guo@oss.qualcomm.com> <086f87b9-9b9a-4acb-b18c-be37cd6558da@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=QdzzLcbv c=1 sm=1 tr=0 ts=6acc8eed cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=BjiBRVP3CVE4MUQrlPQA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEyMDAzMCBTYWx0ZWRfX/gJpSQZcBAcL 1xxr6nS5NGQP6Q/GN/v75MRdnuDw/sFZuks2IVia399NUwPDSNx6gfn8UVBGSww/BLXmUJ9UGUp cmzI5vGtoHoMchXemdMcAe5bwjgEu9dnj8i8m3kVCioP2yoUvOzXDoGGEqwz2jFjXiMhw9mvsG/ HrC6u58inpuT8uOuAkYUi5SEEpbgWGzQUENKTmmfmcgz8OKEE8o9aRGPbtITx6ekMAod1hEYWUP t2s4YumDwsmxYeX/eKq04jHyzfKG6aarpJLMfcJ9NdgqvcedQZdBDWWaRCjMILoCSzpb69UWyO+ NmRPHSVt+YDs++mLRGWL7GQX38NLl9kJmSsZd9ois15bJ6TN/U7KhWjQ5nGTqwAS+H+Y5CLytyz jP1sqJYFcpw+wAD2MlSX8KSS+LOWKIUz+jWH5/09ec5G+tn+6Ze6KXaytSP/3JcvcBDo6gstpry /SVss+U4NcrTArx7Y+Q== X-Proofpoint-ORIG-GUID: 5s8Q_yxV7-UQD-5iJcFH6_EXtpG18Guu X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEyMDAzMCBTYWx0ZWRfX/6YnmbDJV/Mx esxPbROfiXTe7neXTmjq8XSQiIsRbs8dKYyp9yEvcVhAAaMbcz/q/6cnToln7ZhvCfOp1+g01pw bgofi1zpBzAZfj8PxfiDMA38sEtEIbA= X-Proofpoint-GUID: 5s8Q_yxV7-UQD-5iJcFH6_EXtpG18Guu 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=2026-10-12_02,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610120030 On 10/12/26 8:37 AM, Shawn Guo wrote: > On Mon, Oct 12, 2026 at 10:52:34AM +0530, Krishna Chaitanya Chundru wrote: >> >> >> On 10/10/2026 8:04 AM, Shawn Guo wrote: >>> On Tue, Sep 15, 2026 at 09:56:28AM +0800, Shawn Guo wrote: >>>> From: Krishna Chaitanya Chundru [...] >>>> + perst-pins { >>>> + pins = "gpio2"; >>>> + function = "gpio"; >>>> + drive-strength = <2>; >>>> + bias-disable; >>>> + }; >>> pcie0_clk_req_n is a SoC level pin function, so it has a good reason to >>> stay here. But wake and perst are board chosen GPIOs. I think they should >>> go to board DTS. >> Shawn, I don't see perst and wake gpios are changing per board, for that >> reason I added them here, but such requirement is coming we can move them to >> board file. > > Well, we have only seen Ride and RRD so far. We never know how other Nord > based boards to come will choose the perst and wake GPIOs. This is > simply a board level configuration and should go to board dts. They never do in practice (for a good reason, the reference-chosen pins are consecutive and presumably next to each other) and we have no occurences of that in the tree across the hundreds of devices. Konrad