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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: 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: <9a7cee1d-1058-4184-a915-e7e943b4791c@oss.qualcomm.com> X-Authority-Analysis: v=2.4 cv=YcmNIQRf 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=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=EvG0u3NYunSZrgkL4gYA:9 a=CjuIK1q_8ugA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDAyNCBTYWx0ZWRfX7WeovofaoxOW rcXh1poHUDIX1youu0zAG8uBYzsNJ8AuNcQ6//OmlsFgX18cbfUjaR54UKUen89u7hHBS3GlYR1 FTIyKqLCE/dqh9/ovW3ArmOP8ynieJs= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDAyNCBTYWx0ZWRfX1nPc3CohDVgW WNIPwGIgvY3nWwzD9tPWVmrrhgw8apaLWYJRY1TYfcAY4PlnBNQv6D9b/nIVpg0qPo7LSLNDh+e oVg1tPBb4fql4TZVDnnTg/LAkmW9wGVuEJVjVSC71WicQacufUOxvVE86k1LWbSMjXfog3e8p12 YuL8VpB7wcg8Ofj1pn7T1kQeah/FyYB+bcLqEUJyi2QXf6EM/lX3qZ0ouK1D3hJkYmxuZyepAUy hcsx3m+T6p0KKxWQ14UNWdbQEpRbafUdQnSsJYdrkp/dyMm/SdeCt5xx1tLAhpDVtVInsxN4/DM JOjJ56xGVDWVHMgoaF8Att0g1m2yLZLaHtdzzVPZN/QqJTGd63IIh1qgxIoasfoArLD8w6sJFT0 UMYCe78CieJ5x8ip0645tFKStHOKHQBDxNgP1sLFwJVrUk9vElEgTsFTji+6IpbgAkiakxOEATb TYcP4XNWDvTD0pSejbA== X-Proofpoint-GUID: WHVKV41lhRTUfRf1hCNhTJT5eFu6cqbw X-Proofpoint-ORIG-GUID: WHVKV41lhRTUfRf1hCNhTJT5eFu6cqbw 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 clxscore=1015 malwarescore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 phishscore=0 impostorscore=0 spamscore=0 suspectscore=0 bulkscore=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