From patchwork Tue Jul 11 10:42:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nitin Rawat X-Patchwork-Id: 13308407 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 46C2FEB64DD for ; Tue, 11 Jul 2023 10:43:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229551AbjGKKnH (ORCPT ); Tue, 11 Jul 2023 06:43:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229479AbjGKKnG (ORCPT ); Tue, 11 Jul 2023 06:43:06 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CF53E60; Tue, 11 Jul 2023 03:43:05 -0700 (PDT) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36B9Pl1I005030; Tue, 11 Jul 2023 10:43:01 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id; s=qcppdkim1; bh=KcrIkF1sJE8FlF7BTNekoVJT3EBQCC1E51sDa804sIo=; b=TWV2umHC/2jS525s6LXrO1Z5kmWl6eIq1sRYg2QQK7n4sdVhcjZNGYlQOOGtXhSDlDFN CiJdvqS14sB5px89hvpE+LhbAWjRLgc7sC+kVmK6wWS1iUWu3imOI3FRX3dzEMFz6SsF R1e2vAL60HXEdj9nS6ri+CcRPyE9Bv47KPMk4B0Wr17tyiG6QOKDntqGbQyw+1Jtt75R bA7kR+xnqo64DABQOlEsNdwPb+Q0U4661KRTE1rLrvqXQwqrlsTTj1JV7Nsrbnbo2EYU yUPQiT5xS8+Aocj8Xt1RlRLUxk+Cnhj5aAarKG1DLwPioMGcML9yFs9XMpK8D018iTMA Nw== Received: from apblrppmta01.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rs3vh86an-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 10:43:01 +0000 Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 36BAeCwc021490; Tue, 11 Jul 2023 10:42:58 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 3rq0vkm6gf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 11 Jul 2023 10:42:58 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36BAgwOq023577; Tue, 11 Jul 2023 10:42:58 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-nitirawa-hyd.qualcomm.com [10.213.109.152]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 36BAgvHr023576; Tue, 11 Jul 2023 10:42:58 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 2342877) id 18FFC5000AA; Tue, 11 Jul 2023 16:12:57 +0530 (+0530) From: Nitin Rawat To: agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Naveen Kumar Goud Arepalli Subject: [PATCH V1] arm64: dts: qcom: sa8775p-ride: Update L4C parameters Date: Tue, 11 Jul 2023 16:12:55 +0530 Message-Id: <20230711104255.16488-1-quic_nitirawa@quicinc.com> X-Mailer: git-send-email 2.17.1 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: zh_l20uUVBrtsJ5Q6-lVp7w98VV25frk X-Proofpoint-ORIG-GUID: zh_l20uUVBrtsJ5Q6-lVp7w98VV25frk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-11_05,2023-07-11_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=955 clxscore=1011 mlxscore=0 malwarescore=0 phishscore=0 suspectscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110094 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Naveen Kumar Goud Arepalli L4c is the supply for UFS vccq, As per UFS spec range of vccq is 1.14V to 1.26V, There are stability issues when operating at marginal voltage. Hence configure the min and max vccq voltages to 1.2V. Signed-off-by: Naveen Kumar Goud Arepalli --- arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts index ab767cfa51ff..26f5a4e0ffed 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts @@ -153,8 +153,8 @@ vreg_l4c: ldo4 { regulator-name = "vreg_l4c"; - regulator-min-microvolt = <1100000>; - regulator-max-microvolt = <1300000>; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; regulator-initial-mode = ; /* * FIXME: This should have regulator-allow-set-load but