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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a3e3c47221sm161667605ad.23.2026.01.11.21.51.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 11 Jan 2026 21:51:18 -0800 (PST) Message-ID: Date: Mon, 12 Jan 2026 13:51:14 +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 v2 4/4] arm64: dts: qcom: Add base PURWA-IOT-EVK board To: Dmitry Baryshkov Cc: Konrad Dybcio , 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@oss.qualcomm.com References: <20260109-purwa-v2-0-f39ee10684cb@oss.qualcomm.com> <20260109080000.606603-4-yijie.yang@oss.qualcomm.com> <6e8e6583-033f-439e-bd92-b24fe432fb96@oss.qualcomm.com> <3959a318-aca3-43e2-a431-4a9ae40f911f@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-Proofpoint-ORIG-GUID: eHKCa27SIK83mOwP8gzcyqBr6Ik5hoaK X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEyMDA0NCBTYWx0ZWRfXyiGCG7TBczux Fb8CcaYadpCR9NGjcH0ic4WyZS/vbvsWZyt+c2Z4P0sos+qGRIO+bRCW7xjAdM1C1m9M+jY7qX+ JtYA4FtHmiqln3EKjTFqBhy3Djbrqf+yYFFzqx9xRMStbkEwiGf0HFc+YXxxS+Xe+lp+hN6Epjc FJlzCnvvUAiJh935mR/Gd9E2APnNhRSlZpOd94vyqalX3Sp4cnWMXDXP87y2b7XtAdHO0lQ3V6A aJehOerr1tZ3RDnLnW+NuLQDZt8J9zFv0vq+xTe8TQWNcx9GRoxp19fSBJItkHBuLfuaoSyPwF/ 5xmSSv8v9k8vYUtpwbOXl1201kIMGl/pesu9F5cSi7ekJsso1d0EuxXEgTkMmJlvc9Cair1SgKs GXPKbJT2Bay7p/EwwtaIN++X6JcEe3Y4ugPcgfF+uQDnZYrMJCDLJQ+mjXobg9VDLRIotxGZwT3 Vi53Ke+dwLiNSHUlvAQ== X-Authority-Analysis: v=2.4 cv=c7WmgB9l c=1 sm=1 tr=0 ts=69648bd8 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=OS0qKxNM1ntZJlTngmAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: eHKCa27SIK83mOwP8gzcyqBr6Ik5hoaK 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=2026-01-12_01,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 spamscore=0 impostorscore=0 suspectscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601120044 On 1/12/2026 1:00 PM, Dmitry Baryshkov wrote: > On Mon, Jan 12, 2026 at 11:12:09AM +0800, Yijie Yang wrote: >> >> >> On 1/9/2026 7:29 PM, Konrad Dybcio wrote: >>> On 1/9/26 8:59 AM, YijieYang wrote: >>>> From: Yijie Yang >>>> >>>> The PURWA-IOT-EVK is an evaluation platform for IoT products, composed of >>>> the Purwa IoT SoM and a carrier board. Together, they form a complete >>>> embedded system capable of booting to UART. >>> >>> [...] >>> >>>> - backlight: backlight { >>>> - compatible = "pwm-backlight"; >>>> - pwms = <&pmk8550_pwm 0 5000000>; >>>> - enable-gpios = <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>; >>>> - power-supply = <&vreg_edp_bl>; >>>> - >>>> - pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>; >>>> - pinctrl-names = "default"; >>>> - }; >>> >>> Is the backlight infra different on the Purwa IoT EVK? >> >> As you can see, this Purwa file was copied from the latest >> hamoa-iot-evk.dts. However, not all nodes have been verified on Purwa. >> Therefore, I need to retain only the functions that work correctly and keep >> them aligned with the nodes from my initial version. The deleted nodes will >> be updated later by the respective authors from different technical areas. > > Please, only delete nodes which are not present on the Purwa IoT EVK. This isn’t a deletion—it’s just not ready yet. Why do we need to include all the nodes like a mature Hamoa platform in the initial push? > >> >>> >>>> - >>>> wcd938x: audio-codec { >>>> compatible = "qcom,wcd9385-codec"; >>>> @@ -60,32 +50,6 @@ chosen { >>>> stdout-path = "serial0:115200n8"; >>>> }; >>>> - connector3 { >>>> - compatible = "usb-a-connector"; >>>> - label = "USB-3-Type-A"; >>>> - power-role = "source"; >>>> - >>>> - vbus-supply = <®ulator_usb3_vbus>; >>>> - >>>> - port { >>>> - connector_3_in: endpoint { >>>> - }; >>>> - }; >>>> - }; >>>> - >>>> - connector6 { >>>> - compatible = "usb-a-connector"; >>>> - label = "USB-6-Type-A"; >>>> - power-role = "source"; >>>> - >>>> - vbus-supply = <®ulator_usb6_vbus>; >>>> - >>>> - port { >>>> - connector_4_in: endpoint { >>>> - }; >>>> - }; >>>> - }; >>> >>> Are there no Type-A ports? >> >> ditto > > ? > >> >>>> @@ -920,23 +886,6 @@ &mdss_dp3_phy { >>>> status = "okay"; >>>> }; >>>> -&pcie4_port0 { >>>> - wifi@0 { >>>> - compatible = "pci17cb,1107"; >>>> - reg = <0x10000 0x0 0x0 0x0 0x0>; >>>> - >>>> - vddaon-supply = <&vreg_pmu_aon_0p59>; >>>> - vddwlcx-supply = <&vreg_pmu_wlcx_0p8>; >>>> - vddwlmx-supply = <&vreg_pmu_wlmx_0p85>; >>>> - vddrfacmn-supply = <&vreg_pmu_rfa_cmn>; >>>> - vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>; >>>> - vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>; >>>> - vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>; >>>> - vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>; >>>> - vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>; >>>> - }; >>>> -}; >>> >>> Is the Wi-Fi solution different? >> >> ditto > > NAK > -- Best Regards, Yijie