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Wed, 09 Sep 2026 05:13:39 -0700 (PDT) X-Received: by 2002:a05:620a:3713:b0:939:b2f1:75d4 with SMTP id af79cd13be357-939b2f1778dmr1482183285a.6.1788956018592; Wed, 09 Sep 2026 05:13:38 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c260d036652sm770138166b.2.2026.09.09.05.13.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Sep 2026 05:13:37 -0700 (PDT) Message-ID: Date: Wed, 9 Sep 2026 14:13:35 +0200 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 v2 0/6] arm64: dts: qcom: nord: Add remoteproc and PMIC support To: Shawn Guo 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 References: <20260904081619.593602-1-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=KP1qylFo c=1 sm=1 tr=0 ts=6aa14d74 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==: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=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=ypysuNhM5lKd1d43LrAA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: VyE0qN3ezhiJZfAJIEe6wkp6wjkguXvA X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA5MDEzNiBTYWx0ZWRfX1B2EhOzjOWhz REoMJ0saMrXWGMwZbzXWfLJ+hbHELrkN5yGPS9hlouZb5g1DDyd+rJPCUHv30jOpYHJEk0ijKxM lU+dMs7jZ450pNBtS18pzs3fOXcrtWg= X-Proofpoint-GUID: VyE0qN3ezhiJZfAJIEe6wkp6wjkguXvA X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA5MDEzNiBTYWx0ZWRfX99RS6y1qBx/R Q7nYcWwxsSwKDXcd06c1P3LKpUjsCyho0lRC6+z22H5a7VqGMfyfyiVf3lsLUXTNPIQjM94Rs+l O0n6xxkzBbMzZV39csq0rUuxXYtuHC0cVjuzfY9HXcEzFzhwoWkcMWSdzQAm/wTxhPttJnUEOQ4 QRJYcXNixtILaWU8j1ICrCN8v6eun3B+khHT1wjFVS/KJ02CTQbLb1lClAESxFdszlFLjSsTSyL OtyIszYwg01THyDZMmTOQ+2HSdQ/11fTvSRA1NEZm6ltN5x8WJNuruIM2VDhK4YL+4lsDSx/RHJ qdv1YD3WO3Eftoy3vVRHtyymLmTa0a7othnNTdNltcu7mtscnTJLZmbzOwARDJJnbv0vUpHyyao XB2SLe2LIwElrkRLw3n1yzdGSxWGRpSHgKKY35fvVQT3uJA+d0WxtS70wOv2waq6pjSLUgiYthU Mq3laFQGP9kIVXMTYKA== 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=2026-09-08_03,2026-09-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 adultscore=0 spamscore=0 malwarescore=0 suspectscore=0 impostorscore=0 bulkscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609090136 On 9/7/26 2:06 PM, Shawn Guo wrote: > On Fri, Sep 04, 2026 at 12:00:40PM +0200, Konrad Dybcio wrote: >> On 9/4/26 10:16 AM, Shawn Guo wrote: >>> This series adds ADSP and CDSP remoteproc support, the SPMI PMIC arbiter >>> and the PMIC descriptions for the Qualcomm Nord platform, and adds the >>> initial device tree for the Nord Ride Embedded board. >>> >>> Tested on next-20260903 >>> >>> Dependencies: >>> - NMXC define: commit e484a765f543 ("dt-bindings: power: qcom,rpmhpd: Add NMXC power domain index") >>> from git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git dt >>> - Base DTS: https://lore.kernel.org/all/20260903140617.441111-1-shengchao.guo@oss.qualcomm.com/ >>> - PMAU0102 MFD: https://lore.kernel.org/all/20260830034719.140213-1-shengchao.guo@oss.qualcomm.com/ >>> - PMAU0102 thermal: https://lore.kernel.org/all/20260830101025.191697-1-shengchao.guo@oss.qualcomm.com/ >>> - PMM8654AU RTC: https://lore.kernel.org/all/20260904074541.590485-1-shengchao.guo@oss.qualcomm.com/ >>> >>> Changes for v2: >>> - Align PMIC comments in nord-ride-embedded.dts with nord-rrd.dts >>> - Drop unneeded regulator-always-on and regulator-boot-on from RPMh >>> regulators >> >> It still remains on something like 40% of the defined regulators >> without any nearby comment justifying that - are all of these >> intentional and necessary? > > Yes, all of those are intentional. > > - Supplies of LPDDR5 > > vreg_s1a_vdd2h_l --> VDD2H_LPDDR5_01 > vreg_s5g_vdd2h_h --> VDD2H_LPDDR5_23 > vreg_l1k_vdd2l --> VDD2L_LPDDR5_01 > vreg_l1f_vdd2l --> VDD2L_LPDDR5_23 > vreg_l3k_vdd1 --> VDD1_LPDDR5_01 > vreg_l3f_vdd1 --> VDD1_LPDDR5_23 > > - Supplies of PMICs > > vreg_l8a_1p8 --> VDD_LDO_XO > vreg_s3a_1p8 --> VDD_PX3 > vreg_s5a_mv --> VREG_LDO_MV > vreg_s7f_lv_sub --> VREG_LDO_LV > > - Supplies of Nord SoC > > vreg_l7a_1p2 --> VDD_PX14 Does RPMH require HLOS to cast these votes? Generally such supplies should be taken care of in the fw Konrad