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Wed, 21 Jan 2026 05:10:21 -0800 (PST) X-Received: by 2002:a17:90b:1c8f:b0:34a:b8e0:dd64 with SMTP id 98e67ed59e1d1-35272ef882fmr14420896a91.1.1769001020941; Wed, 21 Jan 2026 05:10:20 -0800 (PST) Received: from [10.204.101.164] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35273102119sm14990030a91.10.2026.01.21.05.10.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Jan 2026 05:10:20 -0800 (PST) Message-ID: <96c23434-cd3a-4fca-a3ae-45be6ff850c5@oss.qualcomm.com> Date: Wed, 21 Jan 2026 18:40:15 +0530 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 3/4] arm64: dts: qcom: Add PURWA-IOT-SOM platform To: Konrad Dybcio , Dmitry Baryshkov , YijieYang , Dikshita Agarwal , Wangao Wang Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Renjiang Han References: <20260113-purwa-v3-0-16eefacbdce9@oss.qualcomm.com> <20260113102822.590677-3-yijie.yang@oss.qualcomm.com> <7050d5e6-ddcc-4ccf-99b6-0888318c5d7f@oss.qualcomm.com> Content-Language: en-US From: Vikash Garodia In-Reply-To: <7050d5e6-ddcc-4ccf-99b6-0888318c5d7f@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDExMCBTYWx0ZWRfX1lFIkmg51K10 FYvSWq+eyPUBjM8OgdbvUKTGQWp/FFZDYEN6kZyiqDSc/Bm4GxUWNe99BGPw0HJH7EGqPBX/q5K 5GpE6lsIJyQKIeOZuAxlN0aRRrKh4pNEb343PVYslg8vBFBHdn+1f302HQ/0DCkqF0ZU1nAkCbA auOAvsHPaHIafiGqdEdWBeBN6ApE2z7wyPTnpAd7z5ULVVGRRp/chiSdeZM3FIdjbtsYIfeJNNX 05bA9OE5aE2baLcvYkF2zcxC3JwXb+4Rry178kJx87nexrbXWqRcOQWsObfVgSk10BaVmHFl/KV CKvT94JmPn425TSpkRg9MylZ0+hg8UwBTykigSa5FthSLK4IrjSiWM/+P7xFoaq0Gsa68d4Gq2e QgsUJm401zSLFiGqEYWKvqHj/aVrnlHjq76aljn6zvT+eO8gM1Gnt3GvTr+yERv8q5Fg0b8jveM RtUH/7LVXIcBlZEyqtg== X-Authority-Analysis: v=2.4 cv=S5bUAYsP c=1 sm=1 tr=0 ts=6970d03e cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=NRcXyhW6an_44wZncaoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-ORIG-GUID: PaiftiXaJmKHs8Hi74SMuI7-EIQg2PTJ X-Proofpoint-GUID: PaiftiXaJmKHs8Hi74SMuI7-EIQg2PTJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601210110 On 1/13/2026 4:59 PM, Konrad Dybcio wrote: > On 1/13/26 11:47 AM, Dmitry Baryshkov wrote: >> On Tue, Jan 13, 2026 at 06:28:15PM +0800, YijieYang wrote: >>> From: Yijie Yang >>> >>> The PURWA-IOT-SOM is a compact computing module that integrates a System >>> on Chip (SoC) — specifically the x1p42100 — along with essential >>> components optimized for IoT applications. It is designed to be mounted on >>> carrier boards, enabling the development of complete embedded systems. >>> >>> Make the following peripherals on the SOM enabled: >>> - Regulators on the SOM >>> - Reserved memory regions >>> - PCIe3, PCIe4, PCIe5, PCIe6a >>> - USB0 through USB6 and their PHYs >>> - ADSP, CDSP >>> - Graphic >>> >>> Signed-off-by: Yijie Yang >>> --- >>> .../qcom/{hamoa-iot-som.dtsi => purwa-iot-som.dtsi} | 11 +++++------ >>> 1 file changed, 5 insertions(+), 6 deletions(-) >>> copy arch/arm64/boot/dts/qcom/{hamoa-iot-som.dtsi => purwa-iot-som.dtsi} (99%) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi >>> similarity index 99% >>> copy from arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi >>> copy to arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi >>> index b8e3e04a6fbd..fb90beb1096f 100644 >>> --- a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi >>> @@ -3,11 +3,14 @@ >>> * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. >>> */ >>> >>> -#include "hamoa.dtsi" >>> +#include "purwa.dtsi" >>> #include "hamoa-pmics.dtsi" >>> #include >>> #include >>> >>> +/delete-node/ &pmc8380_6; >>> +/delete-node/ &pmc8380_6_thermal; >>> + >>> / { >>> reserved-memory { >>> linux,cma { >>> @@ -378,16 +381,12 @@ vreg_l3j_0p8: ldo3 { >>> }; >>> }; >>> >>> -&iris { >>> - status = "okay"; >>> -}; >> >> Why? > > Purwa has a slightly different Iris hw version (8.1.2 on Hamoa, 8.1.11 on Purwa) > which I would assume is slighly weaker, plus there's probably a freqtbl change > > Let's take this as-is and enable it later > > +Vikash, Dikshita this seems like a really low-hanging fruit, could you take > a look at Purwa support in Iris? video should leverage most from hamoa, infact Wangao have validated iris on purwa very recently. +Wangao to list the changes he made to bring it up > > Konrad