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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-34050992090sm13526918a91.5.2025.11.02.22.47.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 02 Nov 2025 22:47:26 -0800 (PST) Message-ID: Date: Mon, 3 Nov 2025 14:47:17 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/3] arm64: dts: qcom: Add header file for IPCC physical client IDs on Kaanapali platform To: Bjorn Andersson Cc: Manivannan Sadhasivam , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20251031-knp-ipcc-v3-0-62ffb4168dff@oss.qualcomm.com> <20251031-knp-ipcc-v3-2-62ffb4168dff@oss.qualcomm.com> Content-Language: en-US From: Jingyi Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=OrdCCi/t c=1 sm=1 tr=0 ts=69085000 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=B7Gn7m6QUtlGWARR1OgA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-ORIG-GUID: gnd7ovDx14fezGKLArr7yuwuuim9EGn7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTAzMDA2MiBTYWx0ZWRfX4ZQd+rmoIF41 skSa3fe4VGD+01WmRryxjm4YV6TS5Xly/xa4R1dGRnoGE/77VDJQuP3A0g2x3o/KVd9bMTvwloG 9r0b53mFC3QRFyXRPQ9rmaAYkRFwoQcoQRlxZEkoCRAugWdloTm6EZHtXnZtC3rUyvoBQga5HGP nLninmcwU9UH9OUdbmz6mo6mnyL+kGqYG3Bcm0XjaQbEuCrSon1r4x0rCYDDFVZzu8lGDxfqIlu a4bXpqkZ94EZ1hrg30Cmu3yTR4Q2tdrmgOkkNp9Rmj396RLg+EyTRhh4FfvTSWHOEFgrPCa3grb 3urFSkkRDm0AFNYxVne8oZridOkAqPvb+4U9rfq+aoIG8q28PykT7KYCDVAWg8E7b70yRoY4ITM f9LePvu9dvSUkzMKFqJ+eO0LRIZHYA== X-Proofpoint-GUID: gnd7ovDx14fezGKLArr7yuwuuim9EGn7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-02_02,2025-10-29_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511030062 On 11/2/2025 3:07 AM, Bjorn Andersson wrote: > On Fri, Oct 31, 2025 at 12:41:45AM -0700, Jingyi Wang wrote: > > Whenever you have a subject line that ends in "on ", > that's a good indicator that you're missing something in the subject > prefix. > > Compare: > arm64: dts: qcom: Add header file for IPCC physical client IDs on Kaanapali platform > > with: > arm64: dts: qcom: kaanapali: Add IPCC client IDs > > > Also, now that this is "devicetree", it would make sense to merge them > together with the users. Or at least after we've introduced > kaanapali.dtsi... > > > I don't think you need to resubmit this though, I can fix up the subject > when I merge. But please get to the point where it makes sense to merge > them as fast as possible. > > Regards, > Bjorn > Got it. Thanks, Jingyi >> On earlier platforms, Inter Process Communication Controller (IPCC) used >> virtual client IDs and performed virtual-to-physical mapping in hardware, >> so the IDs defined in dt-bindings/mailbox/qcom-ipcc.h are common across >> platforms. Physical client IDs instead of virtual client IDs are used for >> qcom new platforms like Kaanapali, which will be parsed by the devicetree >> and passed to hardware to use Physical client IDs directly. Since physical >> client IDs could vary across platforms, add a corresponding header file >> for the Kaanapali platform. >> >> Signed-off-by: Jingyi Wang >> --- >> arch/arm64/boot/dts/qcom/kaanapali-ipcc.h | 58 +++++++++++++++++++++++++++++++ >> 1 file changed, 58 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/kaanapali-ipcc.h b/arch/arm64/boot/dts/qcom/kaanapali-ipcc.h >> new file mode 100644 >> index 000000000000..125375a4aac0 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/qcom/kaanapali-ipcc.h >> @@ -0,0 +1,58 @@ >> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ >> +/* >> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. >> + */ >> + >> +#ifndef __DTS_KAANAPALI_MAILBOX_IPCC_H >> +#define __DTS_KAANAPALI_MAILBOX_IPCC_H >> + >> +/* Physical client IDs */ >> +#define IPCC_MPROC_AOP 0 >> +#define IPCC_MPROC_TZ 1 >> +#define IPCC_MPROC_MPSS 2 >> +#define IPCC_MPROC_LPASS 3 >> +#define IPCC_MPROC_SDC 4 >> +#define IPCC_MPROC_CDSP 5 >> +#define IPCC_MPROC_APSS 6 >> +#define IPCC_MPROC_SOCCP 13 >> +#define IPCC_MPROC_DCP 14 >> +#define IPCC_MPROC_SPSS 15 >> +#define IPCC_MPROC_TME 16 >> +#define IPCC_MPROC_WPSS 17 >> + >> +#define IPCC_COMPUTE_L0_CDSP 2 >> +#define IPCC_COMPUTE_L0_APSS 3 >> +#define IPCC_COMPUTE_L0_GPU 4 >> +#define IPCC_COMPUTE_L0_CVP 8 >> +#define IPCC_COMPUTE_L0_CAM 9 >> +#define IPCC_COMPUTE_L0_CAM1 10 >> +#define IPCC_COMPUTE_L0_DCP 11 >> +#define IPCC_COMPUTE_L0_VPU 12 >> +#define IPCC_COMPUTE_L0_SOCCP 16 >> + >> +#define IPCC_COMPUTE_L1_CDSP 2 >> +#define IPCC_COMPUTE_L1_APSS 3 >> +#define IPCC_COMPUTE_L1_GPU 4 >> +#define IPCC_COMPUTE_L1_CVP 8 >> +#define IPCC_COMPUTE_L1_CAM 9 >> +#define IPCC_COMPUTE_L1_CAM1 10 >> +#define IPCC_COMPUTE_L1_DCP 11 >> +#define IPCC_COMPUTE_L1_VPU 12 >> +#define IPCC_COMPUTE_L1_SOCCP 16 >> + >> +#define IPCC_PERIPH_CDSP 2 >> +#define IPCC_PERIPH_APSS 3 >> +#define IPCC_PERIPH_PCIE0 4 >> +#define IPCC_PERIPH_PCIE1 5 >> + >> +#define IPCC_FENCE_CDSP 2 >> +#define IPCC_FENCE_APSS 3 >> +#define IPCC_FENCE_GPU 4 >> +#define IPCC_FENCE_CVP 8 >> +#define IPCC_FENCE_CAM 8 >> +#define IPCC_FENCE_CAM1 10 >> +#define IPCC_FENCE_DCP 11 >> +#define IPCC_FENCE_VPU 20 >> +#define IPCC_FENCE_SOCCP 24 >> + >> +#endif >> >> -- >> 2.25.1 >>