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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3325592d9c5sm2215705eec.11.2026.09.02.20.03.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 20:03:51 -0700 (PDT) Date: Thu, 3 Sep 2026 11:03:46 +0800 From: Shawn Guo To: Konrad Dybcio Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Dhruvin Rajpura , Anandu Krishnan E , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/6] arm64: dts: qcom: nord: Add support for ADSP and CDSPs Message-ID: References: <20260831032103.341633-1-shengchao.guo@oss.qualcomm.com> <20260831032103.341633-2-shengchao.guo@oss.qualcomm.com> <9a7cee1d-1058-4184-a915-e7e943b4791c@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <9a7cee1d-1058-4184-a915-e7e943b4791c@oss.qualcomm.com> X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDAyNCBTYWx0ZWRfX01WbSI6Va/R6 WiLkumyupQKEtPDGsH4DZuDPTKSE6mJ8Bwu7MpHx5GPVquWL/EOil+Ebi0ly7nYv5RehVxB3H+I WtZNvntN0HbQotHirw99nPcjsuunuk8hOJDORT1oyxhmTUZdRR/EobAKMmi2wnT58cHFMh+QHo4 uxrKZUHTsJp93RjP2N9UADvj8J9PfzMRr6LGekkBu6PBmrjWrmTs8dj0w9RCx3cYZPNtEccZkib Qk/Ie8WC3Iz4NeS6cU/TQAxrGVyw6LJ85lW5DbDaMukZeGVywb+iGKoqM5/mAwRCnmCJYyqQv+X IcHCXw2daIZMyLIApLow9j/wVKZbO9AvQiL9EfucHexKsczWo4r0k38QAzBb5U8CSZfyAeFRODT IV+t2adWl6ya7O8csIg9p7PsPjAmw+0fhGkUOBTloa6tR7PifXKsingbVmOF4+Kox2xO7263FyH 8Kv3baLG5YbV9TWoZgg== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDAyNCBTYWx0ZWRfX2FYp+gsHUWdV Y5U+jZ49M5KaYSU2WorHzIQQc1WnCPatTNWTsCc8NuwXQfEVd7UhhVjzahMKBGDKEGl5z8cJTfi 5qcgg3BYF/L9sYqV4nbX/r37TBLU55c= X-Proofpoint-GUID: 5EHa3UvE3hh52tB-tgqkDlPAGJlkP90c X-Proofpoint-ORIG-GUID: 5EHa3UvE3hh52tB-tgqkDlPAGJlkP90c X-Authority-Analysis: v=2.4 cv=LZ4MLDfi c=1 sm=1 tr=0 ts=6a98e399 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=EvG0u3NYunSZrgkL4gYA:9 a=CjuIK1q_8ugA:10 a=3WC7DwWrALyhR5TkjVHa:22 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=2026-09-03_01,2026-09-02_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609030024 On Wed, Sep 02, 2026 at 03:52:37PM +0200, Konrad Dybcio wrote: > On 8/31/26 5:20 AM, Shawn Guo wrote: > > Add device tree nodes to support ADSP (HPASS DSP) and CDSPs remoteproc > > on Nord SoC. > > > > This includes: > > - SMEM memory reservation used by the inter-processor communication > > infrastructure > > - IPCC mailbox controller for inter-processor signalling > > - AOSS QMP node for load state power management > > - SMP2P nodes providing stop control and fault/crash interrupt signals > > - Remoteproc nodes with a GLINK edge and FastRPC compute contexts for > > userspace offload > > > > The embedded variant specific power domains, XO clock, and interconnect > > paths are filled in nord-embedded.dtsi. > > > > Signed-off-by: Shawn Guo > > --- > > With our previous discussion at > in mind, can we reasonably assume the ADSP description is fine as-is? Yes, ADSP0 can work independently just like the single ADSP on other SoCs. As audio support depends on ADSP0, we would like to get it land first and leave the cluster support as an incremental change later. Shawn