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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba538429115sm259109266b.15.2026.04.20.01.23.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Apr 2026 01:23:22 -0700 (PDT) Message-ID: <0c2425dd-0ba4-49ac-853b-b157eec1fdfd@oss.qualcomm.com> Date: Mon, 20 Apr 2026 10:23:20 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] Add CPUCP mailbox support for Qualcomm Nord SoC To: Shawn Guo , Jassi Brar Cc: Sibi Sankar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Dmitry Baryshkov , Bartosz Golaszewski , Deepti Jaggi , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260420034932.1247344-1-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260420034932.1247344-1-shengchao.guo@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 2g_6DcFF3WqMGptgSYRUO67C8weGi2tk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIwMDA4MCBTYWx0ZWRfX/UqcAGsaDajp 9dHcU5gAbxw7L2MWe+bRNx2HIOatCvZ6CiG8mXJmIxSk4E9kOyN4grpgopbrQtnYZ+Cfn5mdGuS uZbV945XcywIzRWp6Tw7hdruwyj7Kr5ue4UnXkOQKXuIbA9FIHXp4P93U8Y3BYfHvQAQs38+izL oky0q0YwjHSeCLPHaJVs34VSdMHDXFj5hio/xkeKrR59DifHkPpBSG05VoT3u+Vm4r5ObA30HnQ CvaE4R1YipyVAAgNP6HL/vuXRK5TtCd11DBMWBiqeUv3rcwA1l5lP7S3hYk7Zi8AdbL+KL+SFXa RAvYu+sEVw9aWOv2N1tI29pttyZZmQjI9pP9qijzbmhEADMD4GiVZ/l//uVLjRvroWWCZbPQtNA Ziy8yPCTiUxMF5GSDUYN5cwAC9SMu2hfIFQ9J6mfcr/RvE7pJ4Z2blN3YcOSLGEd7fHOAh5wL9y gB72huYEfsLtW17207A== X-Authority-Analysis: v=2.4 cv=XNMAjwhE c=1 sm=1 tr=0 ts=69e5e27c cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=Ivwl1-a15JezJ7RitgUA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-GUID: 2g_6DcFF3WqMGptgSYRUO67C8weGi2tk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-20_01,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 impostorscore=0 suspectscore=0 clxscore=1015 phishscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604200080 On 4/20/26 5:49 AM, Shawn Guo wrote: > This series adds CPUCP mailbox controller support for Qualcomm Nord SoC. > > The Nord CPUCP mailbox is functionally identical to the existing x1e80100 > implementation, except it exposes 16 IPC channels instead of 3. Patch 1 > adds the Nord compatible string to the DT binding. Patch 2 refactors > the channel count from a hardcoded compile-time constant into > a per-hardware configuration struct populated via the device tree > match data. What are these channels used for? Konrad