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Mon, 06 Jul 2026 06:57:55 -0700 (PDT) Received: from hu-pkondeti-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30f3c8b19c7sm36304130eec.4.2026.07.06.06.57.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2026 06:57:55 -0700 (PDT) Date: Mon, 6 Jul 2026 19:27:48 +0530 From: Pavan Kondeti To: Shawn Guo Cc: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Dmitry Baryshkov , Bartosz Golaszewski , Deepti Jaggi , 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> 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: <20260526051300.1669201-4-shengchao.guo@oss.qualcomm.com> X-Proofpoint-GUID: -VnOxEww3LjVuq9Cml2OslNk4X1W1ii1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDE0MiBTYWx0ZWRfX4ppGqUD5wfPG iHWkOseNhY1BrdEaLFG6r3MZXPqBC6PzjsS07dWXRHvijpvMd1t8qTebCN+FV/TOokJ4M1zW/V0 qor2z7HtKuWekGzJW4sgvU6EwPCtIDRTTcneIWjoW1MRdzcuemZPR80H95aEkMoJzM1SwJGdL0a IJMQwy1Qeg1FMjnluECQVWLD9r8/rr+eBAmCbyYfGQyZFlggB4JiUwsmCLTTxv6ADmNgO1eNQq9 ZYimWRfMXVJ1nam6+7+mRcp09KPttkryh9iNgYn8GoLkgp0VAmAo3EGQvD8lhpNqKDBUnUkTi5r TsETgIEAvML/Kk4NDvZ6Xdej0JPEwRSj7Uyl1QPIxSZD5md3tT2NXMbe/ZlN6SdWYG7QmjNU1lE wJCoNuFnzxjxoZMLH1p3NH4ACg8MHfOynmiM4E8XXCHKt22LcxVTXheFzJ/xqGpde7LxhGComd4 w948d1pVDjvrjKGctOA== X-Proofpoint-ORIG-GUID: -VnOxEww3LjVuq9Cml2OslNk4X1W1ii1 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDE0MiBTYWx0ZWRfX6qF2aBWTUsLF EUVE2fzOFN28988ZxSC9z05kTwdTGwQ1GylGsGy4w+2i21/2tsKlVvtBxOX108MxsVgs+18+jRW 1K9XyQXBV9YaEAL8kn7LwDrJRZwolPs= X-Authority-Analysis: v=2.4 cv=c6Sbhx9l c=1 sm=1 tr=0 ts=6a4bb464 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=DDZHeiFfpNG52dTxXqoA:9 a=CjuIK1q_8ugA:10 a=x9snwWr2DeNwDh03kgHS:22 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_01,2026-07-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 clxscore=1011 adultscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060142 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? > + #address-cells = <1>; > + #size-cells = <0>; > + arm,max-msg = <10>; > + arm,max-msg-size = <256>; > + arm,max-rx-timeout-ms = <3000>; > + > + status = "disabled"; > + > + scmi0_pd: protocol@11 { > + reg = <0x11>; > + #power-domain-cells = <1>; > + }; > + > + scmi0_dvfs: protocol@13 { > + reg = <0x13>; > + #power-domain-cells = <1>; > + }; > + > + scmi0_rst: protocol@16 { > + reg = <0x16>; > + #reset-cells = <1>; > + }; > + }; > +