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Tue, 25 Jul 2023 10:00:10 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 3s086ktn6f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 25 Jul 2023 10:00:10 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36PA0A1M016226; Tue, 25 Jul 2023 10:00:10 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-narepall-hyd.qualcomm.com [10.213.107.70]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 36PA0AEx016094; Tue, 25 Jul 2023 10:00:10 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 3995025) id 908005000AA; Tue, 25 Jul 2023 15:30:09 +0530 (+0530) From: Naveen Kumar Goud Arepalli To: quic_nitirawa@quicinc.com, 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: Remove min and max voltages for L8A Date: Tue, 25 Jul 2023 15:30:07 +0530 Message-Id: <20230725100007.14775-1-quic_narepall@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-ORIG-GUID: sYqXMdFskVAXmbqn72ydL9f1CBury8_8 X-Proofpoint-GUID: sYqXMdFskVAXmbqn72ydL9f1CBury8_8 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=2023-07-25_05,2023-07-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 adultscore=0 malwarescore=0 mlxlogscore=668 phishscore=0 clxscore=1011 mlxscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307250086 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 L8A is the supply for UFS VCC, UFS specification allows different VCC configurations for UFS devices. -UFS 2.x devices: 2.70V - 3.60V -UFS 3.x devices: 2.40V - 2.70V As sa8775p-ride supports both ufs 2.x and ufs 3.x devices, remove min/max voltages for L8A regulator. Initial voltage of L8A will be set to 2.504v or 2.952v during PON depending on the UFS device type. On sa8775, UFS is the only client in Linux for L8A and this regulator will be voted only for enabling/disabling. Signed-off-by: Naveen Kumar Goud Arepalli --- arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts index ed76680410b4..6f3891a09e59 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts @@ -98,8 +98,6 @@ vreg_l8a: ldo8 { regulator-name = "vreg_l8a"; - regulator-min-microvolt = <2504000>; - regulator-max-microvolt = <3300000>; regulator-initial-mode = ; regulator-allow-set-load; regulator-allowed-modes =