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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aa625eedcd0sm231473166b.87.2024.12.06.04.16.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Dec 2024 04:16:15 -0800 (PST) Message-ID: <7107275e-1ccf-4f09-ada3-e082833d9364@oss.qualcomm.com> Date: Fri, 6 Dec 2024 13:16:13 +0100 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] arm64: dts: qcom: qcs615: add WiFi/BT nodes To: "Yu Zhang (Yuriy)" , Konrad Dybcio , andersson@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: agross@kernel.org, ath11k@lists.infradead.org, dmitry.baryshkov@linaro.org, konradybcio@kernel.org, kvalo@kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, quic_jjohnson@quicinc.com, quic_miaoqing@quicinc.com, quic_vgarodia@quicinc.com, stanimir.k.varbanov@gmail.com, quic_jiaymao@quicinc.com References: <20241203060318.1750927-1-quic_yuzha@quicinc.com> <1ca062dd-8910-4caf-a133-0e5717b43540@oss.qualcomm.com> <649dc6c0-f0e1-4dca-8f93-d0f81803cd70@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <649dc6c0-f0e1-4dca-8f93-d0f81803cd70@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: hWIbcv5UIQM2MvaQpXrQtuOg8OMVOndY X-Proofpoint-ORIG-GUID: hWIbcv5UIQM2MvaQpXrQtuOg8OMVOndY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 malwarescore=0 bulkscore=0 mlxlogscore=913 mlxscore=0 suspectscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412060091 On 6.12.2024 4:22 AM, Yu Zhang (Yuriy) wrote: > > > On 12/6/2024 1:14 AM, Konrad Dybcio wrote: >> On 3.12.2024 7:03 AM, Yu Zhang(Yuriy) wrote: >>> Add a node for the PMU module of the WCN6855 present on the qcs615 >>> board. Assign its LDO power outputs to the existing WiFi/BT module. >>> >> >> subject: >> >> arm64: dts: qcom: qcs615-ride: .... >> >> [...] >> >>> + >>> +    vreg_conn_1p8: vreg_conn_1p8 { >>> +        compatible = "regulator-fixed"; >>> +        regulator-name = "vreg_conn_1p8"; >>> +        startup-delay-us = <4000>; >>> +        enable-active-high; >>> +        gpio = <&pm8150_gpios 1 GPIO_ACTIVE_HIGH>; >>> +    }; >>> + >>> +    vreg_conn_pa: vreg_conn_pa { >>> +        compatible = "regulator-fixed"; >>> +        regulator-name = "vreg_conn_pa"; >>> +        startup-delay-us = <4000>; >>> +        enable-active-high; >>> +        gpio = <&pm8150_gpios 6 GPIO_ACTIVE_HIGH>; >>> +    }; >> >> Are any of these boot-on? >> > Yes, these are used wcn6855-pmu： >      vddio-supply = <&vreg_conn_pa>; >      vddpmu-supply = <&vreg_conn_1p8>; What i meant is, whether these regulators are enabled at boot time (i.e. without software intervention). If that's the case, `regulator-boot-on;` should be added Konrad