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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-76e45293ddbsm6539498b3a.49.2025.08.18.01.17.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Aug 2025 01:18:03 -0700 (PDT) Message-ID: Date: Mon, 18 Aug 2025 16:17:54 +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 v5 0/3] Initial support for Qualcomm Hamoa IOT EVK board To: Dmitry Baryshkov Cc: Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Konrad Dybcio , Yingying Tang , Shuai Zhang , Yongxing Mou References: <20250814-hamoa_initial-v5-0-817a9c6e8d47@oss.qualcomm.com> <5reeryefhw7burzf2lymhg5wivaq2n4gq5hszvfp57dergvpyx@qehaf334gdrn> <7e5d39e0-115e-40be-b44f-0195a4827a0c@oss.qualcomm.com> <63ecde5c-8234-4630-97e8-5806b9ff3eea@kernel.org> Content-Language: en-US From: Yijie Yang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: LCSpUz-o8iTiqn22rY3aqGuztf9zm7nl X-Authority-Analysis: v=2.4 cv=ZJHXmW7b c=1 sm=1 tr=0 ts=68a2e1bd cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=FDvvkfF-Sd8HMvbO3OkA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-GUID: LCSpUz-o8iTiqn22rY3aqGuztf9zm7nl X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODE2MDAyOCBTYWx0ZWRfX3+w1NvNMmF91 77UvBm9spT3w7Laq3kwMYyE2ASfo90jGFN4W3+hpaqfepZHcvxIpi2FeU3AjbKgY9m69EHQgZ56 +RKYuGrL//BYVcKCMb1RQelgU663EQmxFGZhCT02f2k1niMKQxUThIqDtGsv1mi6KVkc3FsECRJ +icex2viCEnMZaH08L17x3NDes8lYLqIUPNARKSvt3KcnCkF5OIn4gMCPUfjJK9nFOxrTAkSLKD GxA79GIXJaNgDFBiPZ6fuCUBqR9aUI81OAXNDX5xvVp0O+jjyWrzBJ+p5b9ETsO5XLEC1y/oTMa NuUxr1fbI5UGVmyVxFYmvmAKAJr9UEButJT3CK5L9Fd/wZgxGgjhU87FjVlNlfjg11fS/l5oN4C yV9CPowe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-18_03,2025-08-14_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 phishscore=0 suspectscore=0 clxscore=1015 bulkscore=0 spamscore=0 impostorscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508160028 On 2025-08-14 19:27, Dmitry Baryshkov wrote: > On Thu, Aug 14, 2025 at 05:28:01PM +0800, Yijie Yang wrote: >> >> >> On 2025-08-14 17:05, Krzysztof Kozlowski wrote: >>> On 14/08/2025 10:54, Yijie Yang wrote: >>>> >>>> >>>> On 2025-08-14 16:24, Dmitry Baryshkov wrote: >>>>> On Thu, Aug 14, 2025 at 03:27:27PM +0800, Yijie Yang wrote: >>>>>> Introduce the device tree, DT bindings, and driver modifications required >>>>>> to bring up the HAMOA-IOT-EVK evaluation board—based on the X1E80100 SoC—to >>>>>> a UART shell. >>>>>> This patch set focuses on two key hardware components: the HAMOA-IOT-SOM >>>>>> and the HAMOA-IOT-EVK carrier board. >>>>>> The HAMOA-IOT-SOM is a compact System on Module that integrates the SoC, >>>>>> GPIOs, and PMICs. It is designed to be modular and can be paired with >>>>>> various carrier boards to support different use cases. >>>>>> The HAMOA-IOT-EVK is one such carrier board, designed for IoT scenarios. >>>>>> It provides essential peripherals such as UART, on-board PMICs, and >>>>>> USB-related components. >>>>>> Together, these components form a flexible and scalable platform, and this >>>>>> patch set enables their initial bring-up through proper device tree >>>>>> configuration and driver support. >>>>>> >>>>>> Qualcomm SoCs often have multiple product variants, each identified by a >>>>>> different SoC ID. For instance, the x1e80100 SoC has closely related >>>>>> variants such as x1e78100 and x1e001de. This diversity in SoC identifiers >>>>>> can lead to confusion and unnecessary maintenance complexity in the device >>>>>> tree and related subsystems. >>>>>> To address this, code names offer a more consistent and project-agnostic >>>>>> way to represent SoC families. They tend to remain stable across >>>>>> development efforts. >>>>>> This patch series introduces "hamoa" as the codename for the x1e80100 SoC. >>>>>> Going forward, all x1e80100-related variants—including x1e81000 and others >>>>>> in the same family—will be represented under the "hamoa" designation in the >>>>>> device tree. >>>>>> This improves readability, streamlines future maintenance, and aligns with >>>>>> common naming practices across Qualcomm-based platforms. >>>>>> >>>>>> Features added and enabled: >>>>>> - UART >>>>>> - On-board regulators >>>>>> - Regulators on the SOM >>>>>> - PMIC GLINK >>>>>> - USB0 through USB6 and their PHYs >>>>>> - Embedded USB (eUSB) repeaters >>>>>> - USB Type-C mux >>>>>> - PCIe6a and its PHY >>>>>> - PCIe4 and its PHY >>>>>> - Reserved memory regions >>>>>> - Pinctrl >>>>>> - NVMe >>>>>> - ADSP, CDSP >>>>>> - WLAN, Bluetooth (M.2 interface) >>>>>> - USB DisplayPort >>>>>> >>>>>> DTS Dependency: >>>>>> https://lore.kernel.org/all/20250724-move-edp-endpoints-v1-3-6ca569812838@oss.qualcomm.com/ >>>>>> >>>>>> Signed-off-by: Yijie Yang >>>>>> --- >>>>>> To: Bjorn Andersson >>>>>> To: Konrad Dybcio >>>>>> To: Rob Herring >>>>>> To: Krzysztof Kozlowski >>>>>> To: Conor Dooley >>>>>> Cc: linux-arm-msm@vger.kernel.org >>>>>> Cc: devicetree@vger.kernel.org >>>>>> Cc: linux-kernel@vger.kernel.org >>>>>> >>>>>> --- >>>>>> Changes in v5: >>>>>> - Update base commit. >>>>>> - Drop an already merged patch: >>>>>> https://lore.kernel.org/all/20250804-hamoa_initial-v4-2-19edbb28677b@oss.qualcomm.com/ >>>>>> - Link to v4: https://lore.kernel.org/r/20250804-hamoa_initial-v4-0-19edbb28677b@oss.qualcomm.com >>>>> >>>>> Please keep full changelog rather than trimming previous iterations. >>>> >>>> Sure, I will restore them. >>>> >>>>> >>>>> Also, is there a reason why you didn't pick up audio and display chunks >>>>> as it was requested on the corresponding reviews? >>>> >>>> Display-related changes have been merged into '[PATCH v5 3/3] arm64: >>>> dts: qcom: Add base HAMOA-IOT-EVK board' and are already present there. >>>> >>>> Audio support is still under debugging due to unresolved issues, and >>>> it's unclear when it will be ready. Would it be acceptable to proceed >>>> without it for now? >>> Audio was sent to the lists, so this is confusing. What was the point of >>> that posting? It clearly said: >>> >>> "Basic test is good in Hamoa-IOT-EVK board." >> >> Additional issues with audio were discovered during further testing, and >> the current audio series on the list is not suitable to be merged into >> this series at this time. > > What if the maintainer had picked up that series, with the issues? > If you uncover an issue, please respond to the patchset, descring that > it should not be merged (together with the reason and the description of > a problem). Quill has provided an update on his series. What should be my next steps regarding this series? > >> >>> >>> So was that true or not? >>> >>> Best regards, >>> Krzysztof >> >> -- >> Best Regards, >> Yijie >> > -- Best Regards, Yijie