linux-kernel - [PATCH] arm64: dts: qcom: ipq9574: Fix 'l2' regulator min/max voltages

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Message-ID: <20250623113227.1754156-1-quic_varada@quicinc.com>
Date: Mon, 23 Jun 2025 17:02:27 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <quic_varada@...cinc.com>,
        <lumag@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: dts: qcom: ipq9574: Fix 'l2' regulator min/max voltages

The min and max voltages on l2 regulator is 850000uV. This was
incorrectly set at 1800000uV earlier and that affected the
stability of the networking subsystem.

Fixes: d5506524d9d9 ("arm64: dts: qcom: ipq9574: Add LDO regulator node")
Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
index bdb396afb992..21b04a2c629d 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
@@ -106,8 +106,8 @@ ipq9574_s1: s1 {
 		};
 
 		mp5496_l2: l2 {
-			regulator-min-microvolt = <1800000>;
-			regulator-max-microvolt = <1800000>;
+			regulator-min-microvolt = <850000>;
+			regulator-max-microvolt = <850000>;
 			regulator-always-on;
 			regulator-boot-on;
 		};

base-commit: 5d4809e25903ab8e74034c1f23c787fd26d52934
-- 
2.34.1