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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 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771122107394284253 X-GMAIL-MSGID: 1771122107394284253 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