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 C6890388393 for ; Mon, 20 Apr 2026 08:23:25 +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=1776673407; cv=none; b=Agr4cCRumFdKbTnfpxIHESfPxQrUwW6S9OyZ/HI4x0G3utPReMdBvm8F2ZFX82VbnQYWPB6MD7voWHCqSRsrrLJGwUAcLnbqDLShJcxmfarz4EoLg8RAHqKn0To0BIKdHq6f2mi1CeVg1U6kMfabDIklXfxDdY82qrAjJ1evhJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776673407; c=relaxed/simple; bh=0CwvkLCghvI1PVZevLuiJYR05WEEBn131AMmrY9kUzU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=m7q9HWI+Jd8LKJ7tWfC28ply8CkMeTI7dhgVc8fa+0K0EE02hLjM5481dR1/00klPINrGbXOohHwKfc5qCGGj7lGVHGpNQr0ksgyHqozlbxOvtFAav0ezjmAzEmynslEivpP3dme54+ehRL3pCPud7n1dOLQ3p0ln28MPQLQn54= 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=CTQPwg5t; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=XNg+nT53; 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="CTQPwg5t"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="XNg+nT53" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 63K79VBV2675344 for ; Mon, 20 Apr 2026 08:23:25 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= JPr/mgvvMG4JgNqktiinFpILBYdemUMXeGLmKapPpaQ=; b=CTQPwg5tNMc/yrxw UiLoey7+/VuzbBI0tcxr8V6D7iUCBxM5DhaqwxLGHIQpWLuwlH46ouETLen6r3Sp UJxabM9CX0o9JzE3aEQEI7Hlqwt3PyYMIIquD5W4J+5veYfyjP/xBAOzS7UrD2kd Rx6LP/2fd9xMvNRdnctJsG4zDKpjTZwQlFfyDytDKQ4msF9oaM+nb792ZDGy7ZQt igG19iRcRNVvgei52CVp6huT/Px+CuChRP5nyhXIIYC3H8jTvf14G9rPJSTaNpfy +myC1hmwKJVqMPBVvXo3dBYygPqCXNutmhJb2M5F38E2UeNus2rC0FDfkQWoMCwo QTRqPA== Received: from mail-qt1-f198.google.com (mail-qt1-f198.google.com [209.85.160.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4dm0y652cq-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 20 Apr 2026 08:23:24 +0000 (GMT) Received: by mail-qt1-f198.google.com with SMTP id d75a77b69052e-50f1b94ac9dso879111cf.1 for ; Mon, 20 Apr 2026 01:23:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1776673404; x=1777278204; darn=vger.kernel.org; h=content-transfer-encoding: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; bh=JPr/mgvvMG4JgNqktiinFpILBYdemUMXeGLmKapPpaQ=; b=XNg+nT53rlqIfFFaxQ8glIfokMZXD4cu4E29/egdO58KjoeI92s/H7pBYRg1pNSKkt nbKGHGCwrC6YUjUK6cZK4zKXjPbDvClMdthA/9nBiuM/gYmw75Rb+TU9jAGmrtp8M2jy Tgkr4OG6hu+/FmMFVtRhwLDzARnxJ+g5fZGmk88Cen4NtL/IN6qmLm1yxmLKNdk+zHEo +WhXOtE6Jp9tFWvsamkNPHlu9WMlu9HLp/mrE0q5VZe0HbTG2xU6H3460TCiMT4N1uwH KiOg/iGODEiYbzQlDHJaOe5bW/6hUUDC0qtuEaM0KuthxulaxCnUYTdploIdeepoXCT8 iwbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776673404; x=1777278204; h=content-transfer-encoding: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; bh=JPr/mgvvMG4JgNqktiinFpILBYdemUMXeGLmKapPpaQ=; b=r8ylQMOcHA9nNwsGWvMmEDHheOd9LkEoiiOiv3vslh8z/Zh0UOooAPiIfRJnzf7XWx HrTYurZTmQ44K3cQskkcXBpaDBXsvoJvExnnlnjTQfwZSbEzbAWfQiJXy+4Xv+kp8Ulq SbDXKAUw61u0hpV9cEUO+nzjpk0qHMLpCHTSaGWl7F+eCtPZSQSMn1dBSbv2vEcW2D5q txDhJ59Ii2Ag9ioh5S3zaQ/3H+3ltn2w+madwsv/3TMhaoLZQ7NCZAeW7/HAY/cr3hxm jLI5OqL7MpF+X3TXOyP5BnqVHPQBakRHVlh2CKilqldeEZ4+jWUm5s/tsa4sQ3EKS7rm AFfg== X-Forwarded-Encrypted: i=1; AFNElJ+QsF+yAoqbMGWtFGB1FfO0VYp6OTpj+QS2TJclSKvvYj7dPYZVaryRTA2DipdZjcbJbsxx1op2o/jS@vger.kernel.org X-Gm-Message-State: AOJu0YxippgJiefj6qDn5RrO2sOi6UGR249laKbuH1mpL7tfzDm8T6CU 3b//xTfbUJAGTicqRKa4AnoImHGGkezzxG9trZ7JQhx2pIqY56Cl05OH5h0kjpfgEaPXOloqL7t Vo6FOpqeVH5X4dTf0S7Oo4li7yBMBfqTyZcYyZovAsQThwzR/+ADjPBDnVI5X1xEf X-Gm-Gg: AeBDievCWF0lKWVusTFtzqWzRSrinq/ZNF3ulUlffFGJvRLPlsG727ZpgC6prW3XfWy 0pO1o2aRBEMZCDABnPtogXfFvQn+Y+Lqx7klnyWQfCUVDHmkz4LlpcLvLU8UTuVbH9V0oLU6zmK vDaa/lKW4RXg/zyepvowV3n3ato3DQJh2rNyatFyuOt4moPPbj91Uw/iztsLg8atbfXdSyi2d4X Aq6k5PscnoGFZWa56G3QvF+YMHMih7/Y7lz00limv8lvXksbqhmMkrufQfvQAaHHSMOMVTyTSNR +E14c/YQePVK7QTn1Dv+raC+QQc1J/xvIojwgJFL4zI+4AFVbuM2RZElw14rVpZW8Hpj78Hybrn lDz7OZKPNPlp+IQzpCrMaNucYx+IWsjzUNs3PBnkBe+uWfF2o+Gbw3JPEBZcANKGZuyD3Y9i/bp wWzlldygBhtFTVjw== X-Received: by 2002:a05:622a:2587:b0:50e:a1ab:67e6 with SMTP id d75a77b69052e-50ea1ab6a40mr7229601cf.4.1776673404093; Mon, 20 Apr 2026 01:23:24 -0700 (PDT) X-Received: by 2002:a05:622a:2587:b0:50e:a1ab:67e6 with SMTP id d75a77b69052e-50ea1ab6a40mr7229351cf.4.1776673403693; Mon, 20 Apr 2026 01:23:23 -0700 (PDT) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba538429115sm259109266b.15.2026.04.20.01.23.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Apr 2026 01:23:22 -0700 (PDT) Message-ID: <0c2425dd-0ba4-49ac-853b-b157eec1fdfd@oss.qualcomm.com> Date: Mon, 20 Apr 2026 10:23:20 +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 0/2] Add CPUCP mailbox support for Qualcomm Nord SoC To: Shawn Guo , Jassi Brar Cc: Sibi Sankar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Dmitry Baryshkov , Bartosz Golaszewski , Deepti Jaggi , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260420034932.1247344-1-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260420034932.1247344-1-shengchao.guo@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: x0jLa3qZt7_WGP-ag-S70NppsFnoxCA2 X-Authority-Analysis: v=2.4 cv=Fpo1OWrq c=1 sm=1 tr=0 ts=69e5e27c cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=Ivwl1-a15JezJ7RitgUA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: x0jLa3qZt7_WGP-ag-S70NppsFnoxCA2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIwMDA4MCBTYWx0ZWRfXyNhafCz+/Fu5 YOs3juJaIqRc8Y590PSmEwWQ/2xhPdXc08v1E57RTchX8vVuHAeGDpq/H9IAW/rNdH5rLiDUpwv M0QUKk3Dz1tlW63W7i7GpD7E3LuVoZ6E8wgqm6Y+WBIwBJ8l+cKB7rrvfTs28+KAiAPjlne5Xqa Sd1wSFeboMsNRk7bTbE0PZHOJTbt0AnpjPrnibmEsBQob+1q0P/5ORk8+vyje4QMEJQ03a1cZTj h3u048DzuT+lRsuIEcEdRlQNLW+DLlHyXI6Ve/VB3XF9coVSY6X5nVKoyYX4yfzqn80VgwDY88G DeOE7hlij774gQxS1wiN7mtMMzoKLun+j+ySYG8OxlTWAP7lf4Eq7xrvPYChVHjvEIh7FUjNwFE DYnUUaF36eyj09AlV6hBnD2dXU4ENUOuHUoeS3ZqSETsDr/5Be5LiMh+fVz9t31xk5l3XauwG4c 4qki0s9GwrM+Ac+1LtQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-20_01,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 adultscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604200080 On 4/20/26 5:49 AM, Shawn Guo wrote: > This series adds CPUCP mailbox controller support for Qualcomm Nord SoC. > > The Nord CPUCP mailbox is functionally identical to the existing x1e80100 > implementation, except it exposes 16 IPC channels instead of 3. Patch 1 > adds the Nord compatible string to the DT binding. Patch 2 refactors > the channel count from a hardcoded compile-time constant into > a per-hardware configuration struct populated via the device tree > match data. What are these channels used for? Konrad