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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9349c19f881sm594920985a.29.2026.08.02.23.15.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Aug 2026 23:15:05 -0700 (PDT) Date: Mon, 3 Aug 2026 14:14:58 +0800 From: yuanjiey To: Krzysztof Kozlowski Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com Subject: Re: [PATCH v2 1/2] dt-bindings: arm: qcom: Add HAMOA-IOT-COME board Message-ID: References: <20260727070758.528-1-yuanjie.yang@oss.qualcomm.com> <20260727070758.528-2-yuanjie.yang@oss.qualcomm.com> <20260730-alchemical-phoenix-of-excitement-fff9bc@quoll> <2eb33f53-2320-40dc-8098-79fc4f48af8e@kernel.org> <28fb7750-bd46-4f3f-a3ba-7cc1fb88b235@kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <28fb7750-bd46-4f3f-a3ba-7cc1fb88b235@kernel.org> X-Proofpoint-Spam-Info: AW1haW4tMjYwODAzMDA1MyBTYWx0ZWRfX+CC4iti53LCT QzwQ9rHmxn5E9X1tgr8cfj59gELtViPztw9Lvgm2tzQ7ps/t2fZckZTuXwoEf88fUA7N+oxbAeb C/nBTxtF6ygMNWw8xU0kFXLr81d4yOc= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODAzMDA1MyBTYWx0ZWRfX9E6MTKu2n358 CQ1sYPlBn8J0ioFhPm7cBg8LhYMJjgnvzPHmtnMJQlr+/4wfZdT6bOC9zuQGD1QlgPUEfJ60CCQ IJs99O8pPOa9+cmJdou9ImBlcV5xi7qd3c0JllvrBBs9Eb+cH4b3bxVJmHXtNvAljx3AP3r167s fUP1D3/NdQp9HKAApsDZLGO+HY6ZsKwDTFu2eNJZVnm0uRvnrew6RRUeN1NVyXPebG4fmRVEHt3 ovFxpruR3FVh0r6Mxob7EBicBi9HHJxDOl/RoVMvml1QlieYoUZm2V4J4UWMHwqQPWqk2BKXtMa /0eaYklz8Nnay4Vi/1C7urPPTb2bcj++jjGNIAj8ZYRmGOCwQJJv8Jd0YtTT6yWzWnVqoMf1p15 20fIChOEbO7xgJ+D0yMoWv8R+zNrHo9+SjkK9mwtTVznu26wqIranA4YRYsvWhab3f0A9s+y5Fr 0HOxMSFKSZw0lKDSQww== X-Proofpoint-GUID: 71fyYPYCxvxhbqIwwolPcNdTh_WE00TS X-Authority-Analysis: v=2.4 cv=IYC3n2qa c=1 sm=1 tr=0 ts=6a7031ea cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=kj9zAlcOel0A:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=TJUqZQk6AAAA:8 a=EUspDBNiAAAA:8 a=m8ToADvmAAAA:8 a=HtLsr6L4JtS92wG4dZoA:9 a=CjuIK1q_8ugA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 a=Q0W1slMkcave-rSCEGgY:22 a=kCrBFHLFDAq2jDEeoMj9:22 X-Proofpoint-ORIG-GUID: 71fyYPYCxvxhbqIwwolPcNdTh_WE00TS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-02_06,2026-07-30_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 phishscore=0 suspectscore=0 priorityscore=1501 spamscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608030053 On Thu, Jul 30, 2026 at 12:23:56PM +0200, Krzysztof Kozlowski wrote: > On 30/07/2026 12:08, Krzysztof Kozlowski wrote: > > On 30/07/2026 11:54, yuanjiey wrote: > >> On Thu, Jul 30, 2026 at 08:51:40AM +0200, Krzysztof Kozlowski wrote: > >>> On Mon, Jul 27, 2026 at 03:07:16PM +0800, Yuanjie Yang wrote: > >>>> Document the device tree binding for the HAMOA-IOT-COME board based on > >>>> the Qualcomm X1E80100 SoC. > >>>> > >>>> The platform consists of a system-on-module (SoM) mounted on a carrier > >>>> board. The SoM integrates the core system functionality, including a > >>>> SiP containing the X1E80100 SoC and its supporting components. > >>>> > >>>> The COME SiP hardware is effectively the same as the SoM used on the > >>> > >>> Effectively the same or the same? I googled for "hamoa iot come" and it > >>> gives me zero results. Provide some URLs describing both. > >> The same. > >> > >> > >> Here is pdf about the "hamoa iot come" SiP and SoM > >> link: https://advdownload.advantech.com.cn/productfile/PIS/SOM-6820/file/SOM-6820_DS(052925)20250529110758.pdf > >> > >> The preliminary figure provides a complete overview of architecture, including the SiP, SoM. > >> > >> In Block Diagram > >> hamoa come Qualcomm X-Elite SiP Module is the SoM on haoma evk. > > > > I see on that PDF "SOM-6820", not "Hamoa IoT Come". > > > > I have an impression that all this and previous bindings and DTs did not > > match reality at all. Or did not match how upstream works with such > > hardware. > > > > Adding more: I did ask in the past to properly represent SoM and > carriers. I pointed to other examples how this is done correctly. I did > look now inside and found absolutely no reference of actual product > called "Hamoa IoT" or "Purwa IoT". For sure there is no "Hamoa IoT Come" > SoM (sometimes COMe appears). I check the hamoa iot evk board page: https://docs.qualcomm.com/doc/80-77183-262/topic/Getting-started.html#get-familiar and purwa iot evk board page: https://docs.qualcomm.com/doc/80-80022-297/80-80022-297_REV_AC_Qualcomm_IQ-X_Series_Evaluation_Kit_-_Linux_Bringup_guide.pdf And I see below info: Dragonwing IQ-X7xxx EVK components: The kit includes the following components: Dragonwing IQ-X7xxx EVK mainboard "System in package (SiP) " I think the current naming of hamoa-iot-som.dtsi and purwa-iot-som.dtsi in the Linux device tree is incorrect. They should be renamed to hamoa-iot-sip.dtsi and purwa-iot-sip.dtsi. hamoa-iot-som.dtsi --> hamoa-iot-sip.dtsi purwa-iot-som.dtsi --> purwa-iot-sip.dtsi > Look, this is a SoM: > https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx95 > > And you can find corresponding bindings and DTS in tree. > > I refuse to accept more of this fake products trying to imitate well > known industry standards in their own way and effectively pushing some > downstream crap, just because that's how we do it in downstream. > > Unless you can present us with such product details matching what you > send, I will be NAK-ing these and future patches like that. Thanks for your tips: I check hamoa come som page: https://advdownload.advantech.com.cn/productfile/PIS/SOM-6820/file/SOM-6820_DS(052925)20250529110758.pdf and come board page: https://www.advantech.com.cn/zh-cn/products/1-fc23ff/som-db5830/mod_16b1a718-27d6-4a4c-8684-e8f2a8e9c57b So I should rename come binding with real devices name: binding should be: - items: - enum: - hamoa-som6820-db5830.dts - const: hamoa-som6820.dtsi - const: qcom,hamoa-iot-sip - const: qcom,x1e80100 Thanks, Yuanjie > Best regards, > Krzysztof