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Wed, 02 Sep 2026 06:52:41 -0700 (PDT) X-Received: by 2002:a05:6102:38c6:b0:784:a169:1925 with SMTP id ada2fe7eead31-78a1f3110b0mr583898137.2.1788357161046; Wed, 02 Sep 2026 06:52:41 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b606b23fa3sm604620e87.32.2026.09.02.06.52.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Sep 2026 06:52:40 -0700 (PDT) Message-ID: <9a7cee1d-1058-4184-a915-e7e943b4791c@oss.qualcomm.com> Date: Wed, 2 Sep 2026 15:52:37 +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 1/6] arm64: dts: qcom: nord: Add support for ADSP and CDSPs To: Shawn Guo , Bjorn Andersson Cc: 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 References: <20260831032103.341633-1-shengchao.guo@oss.qualcomm.com> <20260831032103.341633-2-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260831032103.341633-2-shengchao.guo@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDEyMyBTYWx0ZWRfX6kZO8YyG3jyk zIcwaryt1fZxVMCT+Y3YOQ3WxmWzl5c/RypILykPZBOEUCf6J8aNZ+JmR4r+iaAY0P23SaZWTgq FQbnXisscbUDAhh7t8f+AEEBJfYD8v7h+Xv2cVlmXmSZ1dL4qvnxWWfIbgzscKuj2gVkHEgL9Yl 1SkGbDS1eIPxKJjr/259Aox8wD4isdRw6I8rl6RZhcOT4mrUYC5GqU/EPhxsaQ2D4aqYLWvCpj/ j/JRWwXW9mbUFdRdUwLNXgscVlbCL77xZcASTghVd/1DZEiDL9nx2pv4w4mseVHVHyGSmydukJ1 lCnBVuCzv0PD3+IH+gV4DwoEX0N3CNGorOAgfxw7o4NdZIoihgYazDqF5Jet2YMwY4yAhax0dMU AvpXRiF2a6b12vRXMrtjsc8fchdDusxGdJgrrlmquTFbqUqkjTGhBui4QaKQP2c+VApV8rx6diJ TCSDQuxOZUh3Z9oct5g== X-Proofpoint-ORIG-GUID: 7TgaD-eUZO3zFQY1l66i28RRg5DuABzv X-Authority-Analysis: v=2.4 cv=MdhcfZ/f c=1 sm=1 tr=0 ts=6a982a2a cx=c_pps a=N1BjEkVkxJi3uNfLdpvX3g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=uLxBzBmvjvUxPvobmToA:9 a=QEXdDO2ut3YA:10 a=crWF4MFLhNY0qMRaF8an:22 X-Proofpoint-GUID: 7TgaD-eUZO3zFQY1l66i28RRg5DuABzv X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDEyMyBTYWx0ZWRfXxV4v9QmDnLV5 nIj7ldZFiK1M/NbweEIIMdv89OSVi6y3p5IG0r4qLl0g2yxWBu+Z0JgM0CCIwQ/VYx92xcdcM7d 9b2Q6zofGU7Uc9lOWnI+mywspFKhd9o= 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=2026-09-02_03,2026-09-01_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 adultscore=0 suspectscore=0 malwarescore=0 phishscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020123 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? Konrad