From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0B75C77B75 for ; Sat, 6 May 2023 11:09:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231949AbjEFLJu (ORCPT ); Sat, 6 May 2023 07:09:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230209AbjEFLJt (ORCPT ); Sat, 6 May 2023 07:09:49 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D59930FA; Sat, 6 May 2023 04:09:45 -0700 (PDT) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 346B9XSc011530; Sat, 6 May 2023 11:09:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=qcppdkim1; bh=bFOvm6d2WAwvct5dnT+/MXYvREcJO/aMBHCrcd8Vu7I=; b=FT1s9LQrnqBxPatbfRxr5jeRjbYs0oo/pimEFhjSz1s7GfGfXsb1ux0c5CLqv3v7wmjF wHU2rFBBiPc+zNW2Om43lNAjUJ8odQg9GCeVk01rkt1FQAsiPPzcWp1pPiHGD8tRvohy zdYXy95k1uW6DgXYibfGwQ6ToBsv6KepuQK09Z1096wnA0ODlbx1EsyAkxnMDOHclfTT 1gakmC6SL96Gl1i146pFr3GOZv0a5yXOZR386RsMmiXxzfedjIcS1hlAhnPYwmJxChdw Q5lpIO1efWTWLwVA+dDnBkhgvE9aSEKwP/UZAr/uuumW3YZQXGvN0a6S2rp05LPMLkq4 pw== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qdega0es1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 06 May 2023 11:09:32 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 346B9Vbu020326 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 6 May 2023 11:09:31 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Sat, 6 May 2023 04:09:26 -0700 Date: Sat, 6 May 2023 16:39:22 +0530 From: Varadarajan Narayanan To: Dmitry Baryshkov CC: , , , , , , , , , , , , , , , , Subject: Re: [PATCH v10 8/9] arm64: dts: qcom: ipq9574: Add LDO regulator node Message-ID: <20230506110918.GC10918@varda-linux.qualcomm.com> References: <8894bf2c44eaf4959c7a1966b66229e6cf5cda96.1683183860.git.quic_varada@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: O7vbE5WDZtvf-sGePS9Vjkneo8pkuFva X-Proofpoint-ORIG-GUID: O7vbE5WDZtvf-sGePS9Vjkneo8pkuFva X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-06_07,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 phishscore=0 clxscore=1015 adultscore=0 bulkscore=0 mlxlogscore=825 spamscore=0 suspectscore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305060085 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, May 05, 2023 at 12:29:54PM +0300, Dmitry Baryshkov wrote: > On Fri, 5 May 2023 at 11:23, Varadarajan Narayanan > wrote: > > > > Add LDO regulator node > > As this LDO is provided by the PMIC, it would be nice to know why it > is modelled as an always-on regulator instead of the proper PMIC > regulator. Up to now we were doing this only for the outstanding power > rails like CX/MX or EBI. These are always ON because USB phy doesn't support power collapse, and there is a chance that other IP blocks might be sharing the rail. Thanks Varada > > Signed-off-by: Varadarajan Narayanan > > --- > > Changes in v10: > > - Add LDO regulator node > > --- > > arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > > index bdc1434..1f5d14f 100644 > > --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > > +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > > @@ -60,6 +60,13 @@ > > regulator-min-microvolt = <725000>; > > regulator-max-microvolt = <1075000>; > > }; > > + > > + mp5496_l2: l2 { > > + regulator-min-microvolt = <1800000>; > > + regulator-max-microvolt = <1800000>; > > + regulator-boot-on; > > + regulator-always-on; > > + }; > > }; > > }; > > > > -- > > 2.7.4 > > > > > -- > With best wishes > Dmitry