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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8241d163ce2sm804895b3a.13.2026.02.03.18.52.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Feb 2026 18:52:33 -0800 (PST) Message-ID: <1035ed36-8659-4fc9-9a4b-aa6bd2c3a286@oss.qualcomm.com> Date: Wed, 4 Feb 2026 10:52:27 +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 0/4] Initial patch set for PURWA-IOT-EVK To: Dmitry Baryshkov Cc: Rob Herring , Krzysztof Kozlowski , andersson@kernel.org, krzk+dt@kernel.org, konradybcio@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, conor+dt@kernel.org, Konrad Dybcio References: <20260202-purwa-v5-0-1f5a93578802@oss.qualcomm.com> <177014002716.3173249.7908353000261603377.robh@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-Spam-Details-Enc: AW1haW4tMjYwMjA0MDAxOCBTYWx0ZWRfX4ZUHmFHW7n/y 8jw2jPZB0pJOnVVG56Km5qsQ6I4JfAPdoRQHHpDXB51LPP3KnkYghTMxLBRi8JN2cbgJVj/06Rn gPyXfH+13NXlnw/ROwAyFOmnrPfefw51CIyD8tZjTnxz4RpEIhwiPA7TzfIYrNrH/qX00TiOTY6 YPfweZHeG1TgE8i5B0OkB0Bqaru5hj8jS+7FQE8/7ESvHtVhOSjfO51hDEhRifoAlLYx+cmYlq0 oCyOmLCFCEDf+qL5c2+GccD+ocG/UJw/a/NXuBh5phUQR3q15qUN3hc/erasABHOl/XwyPn2/k0 BAYh3nymAm/h85hQShmQH9GgsomgCeHNcTNPd/5tDDZrxQROWlFloXi2lD+loR478RXGKuIYp1Y mNlyJSlHMwStwEVSvqN3uqYdc7uiCjYZM7qwHzdQqNT3FJ0oU/Sos6fVrudEb60xhtqsMhJI5Sz ow+W+welL6AGiNjE8Ag== X-Authority-Analysis: v=2.4 cv=FrgIPmrq c=1 sm=1 tr=0 ts=6982b473 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=VwQbUJbxAAAA:8 a=gEfo2CItAAAA:8 a=-INMJSYfKEsmj5OeW-cA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-ORIG-GUID: HcTvKnrwdtICGfBZsUTneNS4WGbYXxmt X-Proofpoint-GUID: HcTvKnrwdtICGfBZsUTneNS4WGbYXxmt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-03_07,2026-02-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 suspectscore=0 phishscore=0 impostorscore=0 bulkscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602040018 On 2/4/2026 10:38 AM, Dmitry Baryshkov wrote: > On Wed, Feb 04, 2026 at 09:42:04AM +0800, Yijie Yang wrote: >> >> >> On 2/4/2026 1:37 AM, Rob Herring wrote: >>> >>> On Mon, 02 Feb 2026 15:35:44 +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 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/ >>>> >>>> Changes in v5: >>>> - Reorder nodes in purwa-iot-evk.dts. >>>> - Update base commit. >>>> - The DT binding change that fixes the DT warning for pcie3_phy is located at: https://lore.kernel.org/linux-arm-msm/20260119-topic-purwa_phy_shutup_warning-v1-1-997a692b31c6@oss.qualcomm.com/T/#u >>>> - Link to v4: https://lore.kernel.org/r/20260116-purwa-v4-0-89b2adae9f09@oss.qualcomm.com >>>> >>>> --- >>>> 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: 6267b2da1b2d04847a1a8f441e138bc4a89435ee >>>> change-id: 20251113-purwa-907ec75b4959 >>>> >>>> Best regards, >>>> -- >>>> Yijie Yang >>>> >>>> >>>> >>> >>> >>> My bot found DTB warnings on the .dts/.dtsi files added or changed in >>> this series. >>> >>> Some warnings may be existing warnings. Consider fixing existing >>> warnings before adding new features. >>> >>> Perhaps the warnings are fixed by another series. If that is the case, >>> please set the base commit and any dependencies for the series using >>> "b4". >>> >>> Ultimately, it is up to the platform maintainer whether these warnings >>> are acceptable or not. >>> >>> If you already ran DT checks and didn't see these error(s), then >>> make sure dt-schema is up to date: >>> >>> pip3 install dtschema --upgrade >>> >>> >>> This patch series was applied (using b4) to base: >>> Base: 6267b2da1b2d04847a1a8f441e138bc4a89435ee (use --merge-base to override) >>> >>> If this is not the correct base, please add 'base-commit' tag >>> (or use b4 which does this automatically) >>> >>> >>> New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/qcom/' for 20260202-purwa-v5-0-1f5a93578802@oss.qualcomm.com: >>> >>> arch/arm64/boot/dts/qcom/purwa-iot-evk.dtb: phy@1bd4000 (qcom,x1p42100-qmp-gen4x4-pcie-phy): 'qcom,4ln-config-sel' is a required property >>> from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml >>> >> >> I have already listed the fix in the cover letter: >> https://lore.kernel.org/linux-arm-msm/20260119-topic-purwa_phy_shutup_warning-v1-1-997a692b31c6@oss.qualcomm.com/T/#u >> It is not recommended to list it as a dependency in the latest version. > > You can use `b4 prep --edit-deps` to mark it as a dependency to be > picked up by the bot. Krzysztof mentioned in v4 that this is not a dependency and only needs to be mentioned in the changelog. > >> >> >>> >>> >>> >> >> -- >> Best Regards, >> Yijie >> > -- Best Regards, Yijie