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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b842a27c0casm2188447666b.19.2026.01.13.03.29.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jan 2026 03:29:46 -0800 (PST) Message-ID: <7050d5e6-ddcc-4ccf-99b6-0888318c5d7f@oss.qualcomm.com> Date: Tue, 13 Jan 2026 12:29:43 +0100 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: Dmitry Baryshkov , YijieYang , Vikash Garodia , Dikshita Agarwal 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 References: <20260113-purwa-v3-0-16eefacbdce9@oss.qualcomm.com> <20260113102822.590677-3-yijie.yang@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: uUIOX2e2e2AS2fSb1mfw7Wnt79EJv4zv X-Authority-Analysis: v=2.4 cv=ZODaWH7b c=1 sm=1 tr=0 ts=69662cac cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=djAAhpaB5YPX027tirAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-ORIG-GUID: uUIOX2e2e2AS2fSb1mfw7Wnt79EJv4zv X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEzMDA5NyBTYWx0ZWRfX4paOxwY4V4QB NqKJbFDz6ni+IKsGNPIfznenAP7GchjtkWl6Tm5Hu0PpRNnIbmzQ/V1jVyQ3sSt+q1czePBAIHf gsSxDajjTV6xRYZc8IFreXUWBXv3rQyZc22ODnabNsVldnzQsBAwRQo2MKtNZoPBf/sh35NqhGp LWbVvIlmt6PnN3t7i5ClCNXE/FMq62jPmzA5hXXcNWCKNUEFzO6GdGqj70X7WgcySMlAg4BNxgx 2MYXz43HHOJkbtBgo8j+Z7pvdH2W78TTVb3MYHqc0o1qFDXkfqDBuWZTq41HuM09oKoHkZJ/nEk Y7q7BbkAKg3ePA2rs+Wwk8WgjCKJHbA5RDQPHAZEBW0HEE8hfwKVm1MTqisi9xun2wA+kLxfJIt ZRSFhklrNsWt777YNreVd92/7v0OyuR8WdM06OegPSaNKDc7gRYwXlXcgrjaNvlzsklo1b44xSv Yvv6qYniSTUzVOMvN+w== 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=2026-01-13_02,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601130097 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? Konrad