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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a7193fb373sm63041395ad.72.2026.01.18.18.39.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 18 Jan 2026 18:39:11 -0800 (PST) Message-ID: Date: Mon, 19 Jan 2026 10:39:04 +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 v4 0/4] Initial patch set for PURWA-IOT-EVK To: Dmitry Baryshkov 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, Krzysztof Kozlowski References: <20260116-purwa-v4-0-89b2adae9f09@oss.qualcomm.com> Content-Language: en-US From: Yijie Yang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=J5OnLQnS c=1 sm=1 tr=0 ts=696d9950 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=VwQbUJbxAAAA:8 a=UxwFr_l814m0czHT70EA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE5MDAyMCBTYWx0ZWRfX7pGpiZGgc+sE g5NE+UV7K8gGgXt0TT1PzMGpwc0y9e8RBmkYLokMK1I/qcFDOUFnstY2w9K7lrilpwqjXkbCtE7 bmHx6CmHS40L4GDY35umX6ceneiXc8eFq/15wvsB8LqP94ZsUuZ5ipW4ywYgzXYaFjFuvsKZ1CM /ck2A3rsOhgvWaaNpO//qcHgMoertXb5B13zktDuRlY4Sgow5TwBwYEu5+JOZA0Nrcbo3wSbNts V0qEgHRsAtwoqfIg52JUMRM4wjRqQGMEljuc2VpnsUtThD5g3zMtWVKsHB4oHiA0Dvl9aZXTv/y Aym7AS4f7DQplpZTTN8dWNJIlUEsefDJg9lFqExdU5o93nT41q5igeDbCE428OdIxS+wLvxog7H ZqJGqUQTvUYL0VroTymZumaU+u34qiHQyUT/K94RiqKdr0hGshe5dEWqYfs0bz3DXzXx63gsDDC a9obJeSn4xu1Z1AcngA== X-Proofpoint-GUID: 3YFAajqbVhIMsadMS9BTROFsdHnv9lx3 X-Proofpoint-ORIG-GUID: 3YFAajqbVhIMsadMS9BTROFsdHnv9lx3 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=2026-01-17_03,2026-01-18_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 adultscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 lowpriorityscore=0 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601190020 On 1/16/2026 7:31 PM, Dmitry Baryshkov wrote: > On Fri, Jan 16, 2026 at 06:41:26PM +0800, YijieYang wrote: >> From: Yijie Yang >> >> Introduce the device tree, DT bindings, and driver updates required to enable >> the bring-up of the PURWA-IOT-EVK evaluation board. Focus is on two key >> hardware components: >> >> PURWA-IOT-SOM — A compact System-on-Module integrating the SoC, GPIOs, and >> PMICs. Designed for modularity, it can pair with various carrier boards to >> support diverse use cases. >> >> PURWA-IOT-EVK — A carrier board tailored for IoT scenarios, providing >> essential peripherals such as UART, on-board PMICs, and USB components. >> >> Together, these components form a flexible and scalable platform. Initial >> functionality is achieved through proper device tree configuration and driver >> support. >> >> The PURWA-IOT-EVK/SOM shares most of its hardware design with >> HAMOA-IOT-EVK/SOM, differing primarily in the BOM. Consequently, the DTS files >> are largely similar. Both platforms belong to Qualcomm’s IQ-X family. For more >> details on the IQ-X series, see: >> https://www.qualcomm.com/internet-of-things/products/iq-x-series >> >> Hardware differences between HAMOA-IOT and PURWA-IOT: >> - Display — PURWA uses a different number of clocks and frequency compared to >> HAMOA. >> - GPU — PURWA integrates a different GPU. >> - USB0 — PURWA uses a PS8833 retimer, while HAMOA employs an FSUSB42 as the >> SBU switch. >> >> 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 >> - PCIe3, PCIe4, PCIe5, PCIe6a >> - Reserved memory regions >> - Pinctrl >> - NVMe >> - ADSP, CDSP >> - WLAN, Bluetooth (M.2 interface) >> - USB DisplayPort and eDP >> - Graphics >> - Audio >> - TPM >> >> Signed-off-by: Yijie Yang >> --- >> Changes in v4: >> - EDITME: describe what is new in this series revision. >> - EDITME: use bulletpoints and terse descriptions. > > Oh no. B4 probably even warned you about not sending it out. > > From this changelog I can assume that nothing has changed. Is it > correct? This section was generated automatically by b4 and was not reviewed carefully. The actual list of changes is in the section below. > >> - Link to v3: https://lore.kernel.org/r/20260113-purwa-v3-0-16eefacbdce9@oss.qualcomm.com >> >> Changes in v2: >> - Update the GPU firmware path. >> - Update the description in the cover letter. >> - Reorder the patches. >> - Use separate DTS files for Purwa and Hamoa. >> - Update base commit. >> - Link to v1: https://lore.kernel.org/all/20251222-purwa-v1-0-14ab9316e5ff@oss.qualcomm.com/ >> >> Changes in v3: >> - Delete unused PMIC and thermal nodes. >> - Add WiFi node. >> - Add display backlight node. >> - Add connectors and VBUS regulators for USB3 and USB6. >> - Enable PCIe3 and PCIe5; add PCIe ports along with reset and wake-up GPIOs. >> - Link to v2: https://lore.kernel.org/r/20260109-purwa-v2-0-f39ee10684cb@oss.qualcomm.com >> >> Changes in v4: >> - Enable TPM. >> - Update the descriptions for video and the USB OF graph. >> - Link to v3: https://lore.kernel.org/all/20260113-purwa-v3-0-16eefacbdce9@oss.qualcomm.com/ Here. >> >> --- >> Yijie Yang (4): >> dt-bindings: arm: qcom: Document PURWA-IOT-EVK board >> firmware: qcom: scm: Allow QSEECOM on PURWA-IOT-EVK >> arm64: dts: qcom: Add PURWA-IOT-SOM platform >> arm64: dts: qcom: Add base PURWA-IOT-EVK board >> >> Documentation/devicetree/bindings/arm/qcom.yaml | 6 + >> arch/arm64/boot/dts/qcom/Makefile | 1 + >> arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 1549 +++++++++++++++++++++++ >> arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi | 685 ++++++++++ >> drivers/firmware/qcom/qcom_scm.c | 1 + >> 5 files changed, 2242 insertions(+) >> --- >> base-commit: 377054868ffa544991cc491ecc4016589fc58565 >> change-id: 20251113-purwa-907ec75b4959 >> >> Best regards, >> -- >> Yijie Yang >> > -- Best Regards, Yijie