From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 84FC7F4F1 for ; Tue, 7 Jul 2026 03:38:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783395503; cv=none; b=cB3qFdpOKvwVRmIdv0Oe01ZWPG2vzCUpgRJ6QQiN5OFUWZK8D2+B2PFMZ/3PoGJuvKPp9kIm7Ht3hB6FlMr1oT/si/SKcN/s2PtdIJl3DQ9WkozyUSsJHEl+abRJY0wPmkWtX/FV+AhZjFI5Gd0z+Qp8zTP4Ws9TNQWQsQoEw9E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783395503; c=relaxed/simple; bh=1R19W3UJiMF+o5dXiMyPiCVU0LUlZzWvzTRuI3yjAWY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=he8QFK5HEfmRItA1yqpxvYpPCPv8vi5D0/IP5VOrhz5PS2b+TxR40ocedXl0a1NXFk8e1uojj0QJaIOn8mpKFUFzUCRS+XScYchB/kOmG826z24o0qXwHBIY6xpbcg/GNP9aELZASzDSNUvIKVoNa6tfnj36bF/aKmiES3XOmec= 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=nPspTZmr; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=gOQUQuKE; arc=none smtp.client-ip=205.220.168.131 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="nPspTZmr"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="gOQUQuKE" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 666KE6cw1428900 for ; Tue, 7 Jul 2026 03:38:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=qcppdkim1; bh=B2TcjwvrSLcx95mIcFbiGsi6 rjGASOKN5ZORqhzeVGk=; b=nPspTZmrl/QhCJ2qBdBBBGG6cQo0ZHrLpnyjILAE tQBQsSsIFf9S2sH8oWbLTez3mH/Es1OGrP0hs6c6UPYhmfNkvhf242C8h8lj5f9+ Nk5g3EGtf2S7nDYl+DP/CTh2ogvPkV1LLr392P1yPKbYrd2SVVRiSgouVbV8lhsp lgHtjdIzwChh6fJx4ESddXHkAxxeaGYvt+QvkiNxWc5O0pdxB3vFYUgI2NHQhqYy u2Dk8W/dIfgF4A80og0PsukAV8uNbfO26bmFjRYV6s9Zq0ulf6fIjxmbH/cnMKgu WCDxDfVbc78Y5RUJFSTNrRiUtPZbHpyC2R1WyRXW/FfKeA== Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4f87rxvka2-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 07 Jul 2026 03:38:21 +0000 (GMT) Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-384419c6c74so3359509a91.1 for ; Mon, 06 Jul 2026 20:38:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1783395501; x=1784000301; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=B2TcjwvrSLcx95mIcFbiGsi6rjGASOKN5ZORqhzeVGk=; b=gOQUQuKEfVUcZKcxr9DK9ePqBImeKA9Lyp49vZ8sS2pdsBtqscZVEKQHgh31gqEsqW S5jnA5eG5TM1xd1CiM8TNCEix/RCe+s+fhy2ioc1BU/K0znz6vs7eDq/a3jyePtVsc0z Oq7GX6oURRwZ3z0VSGc6e11IE/ywCZ27N1giYYrRlbNWnARDTV7svAy3HBj0rUSBxuhF nojgAtRwGHkRNYFLQDDKSZny3dzgTAE2YONwOIgRvHz8mmcd6hAmyCCf2yuZCCTcFtnA N8QsnnLNGxX9pxrAo9qJg69YjvrVhgg6m98K3tFxFwDPvhchNSr20IuWaoAaRRvx+dL4 uEnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783395501; x=1784000301; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=B2TcjwvrSLcx95mIcFbiGsi6rjGASOKN5ZORqhzeVGk=; b=RcVX4bUnLyKfdUkvpd7CTW7SqN17HjTi79IWA2/NHScI6/3VtNEIX6caen2xJaH2m7 FWILFZ+TJnDSFU2hH2Q27rVUVlR8UIzzgLpHpUM+En0IMCkfb47Thvzf1znxCGs2GecB kzuxM2ummJLD1uy03bX26b4DjgW3a2lbQw8rYOz6iTr7sZ16YKZdeAnHET3Zb/dcGRjz bhjWAIc+MsitVZflWqE8ThCI8jp4cuUDubUAmbhRHkj3sxASvIELOwbMCZj/3WOhMOdY QpUT0MbOzcRxSJh4E5rGpmLsftaqC2UvX2zlDuZks3XI6p0SWzp3mfjg0JthY1jIrQme r7qg== X-Forwarded-Encrypted: i=1; AHgh+RoHzKMhcrL0A7BWuYMLdBtIDtjMtOGroIJfPhpGaZUfKTEBVWKAqz6sRpCH2VZR86BQvMPGZtfEL0PG@vger.kernel.org X-Gm-Message-State: AOJu0Yy+wUrB52bwQlEJWxCqzQn7D7uhQlsMzUw4XqHjboFJ9dY5qooH zOwMDSEpXwtA4M4KQfEelaYby1ugibqGKEf0xsCtBDhBb8y17hoT/3gnZ9J5ikQhjekmBRwDYsI vzzqkvVRAUz8aiWongEWUJVnJ7tzFuDoY7f1i01YXO0bPQuRcuzrLcb4nWLuvUlna X-Gm-Gg: AfdE7cmoU1CIciY8wT4pIVNvhaVnHzQJVHLnk/fkj+dThOG61bHFsCZJkz2LrHjTxOU DpCTrFkFLG4KUiyBwlmpS68iXY+qdj9VTMTsHrWtzZQ3ukQLfSo6d2/QbnTqreZJzcIN4lOMJtY 8d1IBywyKuoCxz+CdqHEHcCc8AOIwJIJcEcHLio8kpi1ycifGY62dIOiP225lH/A+3w9f7ogJhx GayvFjoOD/uXBpaUiqzh3C0HMxiWc4Z0xIiXNvv4NZA2fuI+XogLherXDnkrTzJjKFl3NfE2r8Z XXVierz9YoITQZB3xmMuo3VdoFcm3LhGEkqm8D4lXIOUa5TX36DqTnN8QL1P3MB2qqMCnU0Fk2a baBiX0P9iEzwv8zPm1ni3SdYlD8tLn/gFkfAf58n5ZP+t X-Received: by 2002:a17:90b:2e48:b0:37d:9874:9363 with SMTP id 98e67ed59e1d1-387568026b5mr3341539a91.2.1783395500937; Mon, 06 Jul 2026 20:38:20 -0700 (PDT) X-Received: by 2002:a17:90b:2e48:b0:37d:9874:9363 with SMTP id 98e67ed59e1d1-387568026b5mr3341504a91.2.1783395500404; Mon, 06 Jul 2026 20:38:20 -0700 (PDT) Received: from hu-pkondeti-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31174ac178dsm3126112eec.28.2026.07.06.20.38.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2026 20:38:20 -0700 (PDT) Date: Tue, 7 Jul 2026 09:08:13 +0530 From: Pavan Kondeti To: Deepti Jaggi Cc: Pavan Kondeti , Shawn Guo , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Dmitry Baryshkov , Bartosz Golaszewski , Harshal Dev , Herbert Xu , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 RESEND 3/5] arm64: dts: qcom: Add device tree for Nord SA8797P SoC Message-ID: References: <20260526051300.1669201-1-shengchao.guo@oss.qualcomm.com> <20260526051300.1669201-4-shengchao.guo@oss.qualcomm.com> <46af10c8-8400-4131-ac87-b3f17350bb65@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46af10c8-8400-4131-ac87-b3f17350bb65@oss.qualcomm.com> X-Proofpoint-ORIG-GUID: dV0W29VffevIcmf1WJ5Wm6aGYSfhQQ7X X-Authority-Analysis: v=2.4 cv=Hv1G3UTS c=1 sm=1 tr=0 ts=6a4c74ad cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=1l3KTh2Z3xRHg-jYdCcA:9 a=CjuIK1q_8ugA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA3MDAzMCBTYWx0ZWRfX62UHzGGLBr8R xnO58Nh+XTgDW/gHz/FlNuAnMzxf3AE9DxCo4oDBwpcnQJ7cDQ0MI6MaSAMeYRoRNHeSBQJRzMC 0JiuE8dz+w8F4dJkV6ql6/cs0DpdwZg= X-Proofpoint-GUID: dV0W29VffevIcmf1WJ5Wm6aGYSfhQQ7X X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA3MDAzMCBTYWx0ZWRfX276EvfuYBUbs 2DXGOeKthh/1nuhsX0h6J5g6DuC5qDT6kcQfM7FxTZEGObeCj9BGsCkW/fdDYLjvmq4TZbhMdpk 0htg5/9T6QYg82mmlRDbqppW2A2dAbHDYe9uAx0KCityasdSa/3LS4TE3dVWu4myqM07mcRpMA8 GBxrzNv6keq/NSSSmdn3cfBYVq1quEiZcVK0JafYsQJqWfHYkw68PLQGZiNGK0RZRmRKnbwbYnx /h6YGk3dA48KKV+4vro6RJwJKCqzkofj3N2SeT5+XvHJyRQX9viN91WvoqiEowDEbUO413me0dO fIcq7OpLe9lhq52xCB4K5F/+Qq18FYQG/LytjdqaGXxdwJQLFUhrWXUbAQSLIPHBp9L4VUv8WMI D/HaGCSpNx/P1CHb1yepiNaLy7oD7Fm92cWKd38H/0uYrnSCZCY6wdkFn3TB2YrD5FSKccLnmF8 F+xEQvDWOhLc+Czx1hg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-06_03,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 malwarescore=0 adultscore=0 priorityscore=1501 spamscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607070030 On Mon, Jul 06, 2026 at 07:15:15PM -0700, Deepti Jaggi wrote: > > > On 7/6/2026 6:57 AM, Pavan Kondeti wrote: > > On Tue, May 26, 2026 at 01:12:58PM +0800, Shawn Guo wrote: > >> diff --git a/arch/arm64/boot/dts/qcom/scmi-common.dtsi b/arch/arm64/boot/dts/qcom/scmi-common.dtsi > >> new file mode 100644 > >> index 000000000000..0c7ffe9e415c > >> --- /dev/null > >> +++ b/arch/arm64/boot/dts/qcom/scmi-common.dtsi > >> @@ -0,0 +1,1918 @@ > >> +// SPDX-License-Identifier: BSD-3-Clause > >> +/* > >> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. > >> + */ > >> + > >> +#include > >> + > >> +&firmware { > >> + scmi0: scmi-0 { > >> + compatible = "qcom,scmi-smc"; > >> + arm,smc-id = <0xc6008012>; > >> + shmem = <&shmem0>; > >> + interrupts = ; > >> + interrupt-names = "a2p"; > > > > I believe this interrupt source is GearVM firmware via Gunyah's > > doorbell, correct? How do we know that scmi0 instance's interrupt > > is GIC_SPI#963? Are these assumed to be constant/fixed through out > > the life time of this SoC? > > Yes, this interrupt is a Gunyah Rx doorbell VIRQ for SCMI a2p completion > from GearVM to Linux. It is allocated by Gunyah RM from the platform's virtual > IRQ range and patched into the DTB by Linux bootloader at boot stage. > > > Thanks Deepti. IIUC, GIC_SPI#963 may be overridden by bootloader and potentially this IRQ can change across runs or when firmware is changed etc. The interrupt property is a place holder. can you confirm please? Thanks, Pavan