linux-kernel - [PATCH V2] arm64: dts: qcom: sa8775p-ride: Update L4C parameters

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 11 Jul 2023 16:29:14 +0530
From:   Naveen Kumar Goud Arepalli <quic_narepall@...cinc.com>
To:     quic_nitirawa@...cinc.com, agross@...nel.org, andersson@...nel.org,
        konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Naveen Kumar Goud Arepalli <quic_narepall@...cinc.com>
Subject: [PATCH V2] arm64: dts: qcom: sa8775p-ride: Update L4C parameters

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 <quic_narepall@...cinc.com>
---
 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 = <RPMH_REGULATOR_MODE_HPM>;
 			/*
 			 * FIXME: This should have regulator-allow-set-load but
-- 
2.17.1