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Fri, 24 Apr 2026 20:17:18 -0700 (PDT) Received: from zhangq-gv.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f8ec23b19sm29189952b3a.59.2026.04.24.20.17.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Apr 2026 20:17:17 -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 v0] arm64: dts: qcom: Add fixed regulators for WLAN supplies Date: Sat, 25 Apr 2026 11:17:12 +0800 Message-Id: <20260425031712.3800662-1-qian.zhang@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=ZZYt8MVA c=1 sm=1 tr=0 ts=69ec323f cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=OYB4W3EJkAgPSM3XL0QA:9 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-GUID: cgMaYkUpAkftIhSpxWaISUSvnBCOk2ru X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI1MDAzMCBTYWx0ZWRfX53ZNuI5SJ05o 1NFGgm2/vr0IANLXCwliiRxwMyoWfw9tuQ5XPrPJ963aZEoSnZ35BdoqzGoKFDSms7Y+btkgXZJ aRL86bavCXi4gji+BGlZyB9ZUe6IChzrR/cdNqoCgpcYaVqv8T/tiLP6p9MTWUHimqNuyzrHWqV ihgCKIBZ3Krza3vjybwv3J9MlUPhs/HmA9p7HF7M93q5r0AI5C9QExCioFNXpiIo6yDlkYcag1C sUhbKMawTksbGWgHKaNY8ZfbhsC0QPyWqRBCaZhbVITYCo4R1CFPahJYXNVh1Hs+Tp6dKsVL/Sy JRF45G2eucPacAahGcCiPKaeZ8JaJNVxlhp9A40GLVJP3tJpjek0OvvD6HyzSRUEEzRm4Md426s dqSW2XVq73jDPRpJmANZbQ25XPN4rCwtZStojWq7bvzoREPcfxk9fnTb4g/IDLr5zBqHI53hlQE 4zbnZgfX8CRNrLhUKdw== X-Proofpoint-ORIG-GUID: cgMaYkUpAkftIhSpxWaISUSvnBCOk2ru 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=2026-04-25_01,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1011 phishscore=0 adultscore=0 spamscore=0 impostorscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604250030 Content-Type: text/plain; charset="utf-8" Add GPIO-controlled fixed regulators providing WLAN 3.3V and 1.8V power rails for the Arduino VENTUNO Q board. The regulators are enabled at boot to support WLAN initialization. Signed-off-by: Qian Zhang --- .../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 =3D <20000>; }; + + wlan_reg_3v3: wlan-3v3-regulator { + compatible =3D "regulator-fixed"; + regulator-name =3D "wlan_3v3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&tlmm 54 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; + }; + + wlan_reg_1v8: wlan-1v8-regulator { + compatible =3D "regulator-fixed"; + regulator-name =3D "wlan_1v8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + gpio =3D <&tlmm 56 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; + }; + }; =20 ðernet0 { --=20 2.34.1