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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-kernel@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-GUID: 4zG77PBJcVCMGup24wGsgyoFPVOYt4Wx X-Proofpoint-ORIG-GUID: 4zG77PBJcVCMGup24wGsgyoFPVOYt4Wx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzI5MDA2NSBTYWx0ZWRfX3nR21860w3+e k8tarKepnYT7nCIIaGttzis36A6wCDb+cVj1Hy2Fz7enBzu4jeo3WX/KUydMvn0P+UeIRMumrA8 oi43EstGoEuaMH6MlR/eUgZzkgLlFy1r6u/nj8Zh1Eerkbxv452DmhsEmeUCswldLIPZMM1964S 4ZnhcLn+V5DuEpqAoXe87LCHQOFALgoDrq9Ykk8mCvKQ2G7m29on6musb2Wj+4i86TeYAOgXNCX QOylmO1C8fFSets40GbuANG9ksu5ZrE6jTd+TGt2/3mV2vDXAIm5q4HXiYlICiiyE3grR47nSxT 5wd3lZstzIknfV9W+VRMvVnuC1Divimx6lCG6cppyCmU7s5D7xQ6mmYAWgZ4DFRP9KWz5PlMpQZ T1cFPcs34HAxapMu8a0mfpijNzrpvFEXT8ZeRvphUW4O7xr+DtEuWPMK2fbcfT/rNUmTRU6v X-Authority-Analysis: v=2.4 cv=CLoqXQrD c=1 sm=1 tr=0 ts=6888886c cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=EUspDBNiAAAA:8 a=ZOIhAQMpLvIksW73xekA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 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 mlxscore=0 adultscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 malwarescore=0 bulkscore=0 clxscore=1015 impostorscore=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