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Thu, 30 Apr 2026 22:19:24 -0700 (PDT) Received: from zhangq-gv.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b9cae5cc52sm12353955ad.78.2026.04.30.22.19.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2026 22:19:24 -0700 (PDT) From: Qian Zhang To: andersson@kernel.org, konradybcio@kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Qian Zhang Subject: [PATCH v1] arm64: dts: qcom: Add fixed regulators for WLAN supplies Date: Fri, 1 May 2026 13:19:18 +0800 Message-Id: <20260501051918.1990713-1-qian.zhang@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 8TKBEkl4jVE0U0nHPycA7YunYNElsumC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTAxMDA0NyBTYWx0ZWRfXxOruOcb+d//u +wVc/fxPigQXSt7QtoXSuZBKsIBJCEywnJMwUVIwoRUS/qYLwhbsv0nymSIldYLMMOv5lfCh6qU luA2o+iFP2j4oHg8ISWr+njt7a3cEgwG4rK4quqBvDCMZ/EaLYLMW4DA/1WB/XNt0VaL/sJMO4i +vkquqrN1X4VstuvCfz4kjPHmK9Fsf+spCcY8J8yPFkWv1bcu4/HiPetlbyx81NfW76ybhKYZ0M QfHA1v3FBDJezAaxuECdHuSmDKFKG3VJL+vS1Orro/jUOzLZoEYYUaDwf54fkVX5JfHad1p+Ja9 lAYYdbvbg4i0yCPXA9DDgNx9x6mspOaRlVGjYGjBlIBngsXlG/irmDBVxNOlgshJo+6od/6UW+T TZjmw4WRyhBYi1Ktsz0ZayHzEJmf5c3vHkj4ghbiSYy9YSVzaxBSO6dk2SfGw1eGIHb3tczeVku e3/SxQQicJ/KPyKYavw== X-Authority-Analysis: v=2.4 cv=XoTK/1F9 c=1 sm=1 tr=0 ts=69f437de cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=OYB4W3EJkAgPSM3XL0QA:9 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: 8TKBEkl4jVE0U0nHPycA7YunYNElsumC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-01_01,2026-04-30_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 bulkscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605010047 Add GPIO-controlled fixed regulators for the WLAN power rails on the Arduino VENTUNO Q board: - wlan_reg_3v3: 3.3V supply controlled by GPIO54 (wlan_rf_kill) - wlan_reg_1v8: 1.8V supply controlled by GPIO56 (wlan_en) Both regulators are enabled at boot to support WLAN initialization. Signed-off-by: Qian Zhang --- Changes in v1: - Clarified GPIO roles: GPIO54 for wlan_rf_kill, GPIO56 for wlan_en - Improved commit message readability with bullet list format .../boot/dts/qcom/monaco-arduino-monza.dts | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts index ca14f0ea4dae..1a40ac5bb4bb 100644 --- a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts +++ b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts @@ -153,6 +153,27 @@ vreg_nvme: regulator-3p3-m2 { enable-active-high; startup-delay-us = <20000>; }; + + wlan_reg_3v3: wlan-3v3-regulator { + compatible = "regulator-fixed"; + regulator-name = "wlan_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&tlmm 54 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; + }; + + wlan_reg_1v8: wlan-1v8-regulator { + compatible = "regulator-fixed"; + regulator-name = "wlan_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&tlmm 56 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; + }; + }; ðernet0 { -- 2.34.1