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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af635aa21fcsm557954666b.95.2025.07.29.01.37.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Jul 2025 01:38:00 -0700 (PDT) Message-ID: Date: Tue, 29 Jul 2025 10:37:58 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/4] arm64: dts: qcom: Add base HAMOA-IOT-EVK board To: Yijie Yang , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250729-hamoa_initial-v3-0-806e092789dc@oss.qualcomm.com> <20250729-hamoa_initial-v3-4-806e092789dc@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzI5MDA2NSBTYWx0ZWRfX3RV/TkvWDAyF upcmfrJSQNCIy5vOocGfPLr/otWA0dPYK0tTsLoz4BKF6o36xjVLRE40ksXXOxwrtPjtc/dKvfv EKfaNonzRA4WVPfpPekclrqcookuGGtOWMTZ7FYSPxJEF2R3Ue7Emse57584ueEq7EdQvoP+MjH /suwkV+cvek5Y67Pq5q3hz82YLI0dEpf0QCul7c08mtVx4uO2uc9M9o4hK7GIIDkHfqdBkU1YYQ s+iv/3ugCeg7KA2JzKuggng8XMkmEUxw3hBiuw1FUM8SyEOdoaNsVmdrG6d5g8ZWyReGCZxNkaK pdjBtsv8WKKR25jaXHuVnOz9ibXTBOn81hW2ykjl5aXqF9yGpRYR/SiZpmRJq+0Yd1C0WAx6wDC G3MlxAXa9WoNhqVfTvCGZOo21X7iPesHPxklIHyeZzXOr/DBqeMiI10/vGmSRxFPuuimibcD X-Authority-Analysis: v=2.4 cv=Hth2G1TS c=1 sm=1 tr=0 ts=6888886d cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=EUspDBNiAAAA:8 a=ZOIhAQMpLvIksW73xekA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: RBLQ_EFwvwy9nBAp8D7V8C6e6tGiBLzk X-Proofpoint-ORIG-GUID: RBLQ_EFwvwy9nBAp8D7V8C6e6tGiBLzk 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=2025-07-29_02,2025-07-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 mlxscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 clxscore=1015 spamscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507290065 On 7/29/25 7:51 AM, Yijie Yang wrote: > > > On 2025-07-29 09:32, Yijie Yang wrote: >> The HAMOA-IOT-EVK is an evaluation platform for IoT products, composed of >> the Hamoa IoT SoM and a carrier board. Together, they form a complete >> embedded system capable of booting to UART. >> >> This change enables and overlays the following peripherals on the carrier >> board: >> - UART >> - On-board regulators >> - USB Type-C mux >> - Pinctrl >> - Embedded USB (EUSB) repeaters >> - NVMe >> - pmic-glink >> - USB DisplayPorts >> >> Written with contributions from Shuai Zhang (added Bluetooth) and Yongxing >> Mou (added USB DisplayPorts). >> >> Signed-off-by: Yijie Yang >> --- [...]>> +    vreg_wcn_3p3: regulator-wcn-3p3 { >> +        compatible = "regulator-fixed"; >> + >> +        regulator-name = "VREG_WCN_3P3"; >> +        regulator-min-microvolt = <3300000>; >> +        regulator-max-microvolt = <3300000>; >> + >> +        gpio = <&tlmm 214 GPIO_ACTIVE_HIGH>; >> +        enable-active-high; >> + >> +        pinctrl-0 = <&wcn_sw_en>; >> +        pinctrl-names = "default"; >> + >> +        regulator-boot-on; > > It should be set to 'regulator-always-on'. Are you sure? Turning off Wi-Fi sounds like a valid usecase.. Konrad