From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>,
Frank Li <Frank.Li@nxp.com>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 6.1.y 3/4] Revert "arm64: dts: imx8mq-librem5: Set the DVS voltages lower"
Date: Mon, 13 Apr 2026 10:07:41 -0400 [thread overview]
Message-ID: <20260413140742.2903986-3-sashal@kernel.org> (raw)
In-Reply-To: <20260413140742.2903986-1-sashal@kernel.org>
From: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
[ Upstream commit 4cd46ea0eb4504f7f4fea92cb4601c5c9a3e545e ]
This reverts commit c24a9b698fb02cd0723fa8375abab07f94b97b10.
It's been found that there's a significant per-unit variance in accepted
supply voltages and the current set still makes some units unstable.
Revert back to nominal values.
Cc: stable@vger.kernel.org
Fixes: c24a9b698fb0 ("arm64: dts: imx8mq-librem5: Set the DVS voltages lower")
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Stable-dep-of: 511f76bf1dce ("arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../boot/dts/freescale/imx8mq-librem5-r3.dts | 2 +-
.../boot/dts/freescale/imx8mq-librem5.dtsi | 22 +++++--------------
2 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
index 077c5cd2586f7..4533a84fb0b95 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
@@ -7,7 +7,7 @@
&a53_opp_table {
opp-1000000000 {
- opp-microvolt = <950000>;
+ opp-microvolt = <1000000>;
};
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 39c4a08ff7c13..3691a6a21e2f6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -819,8 +819,8 @@ buck1_reg: BUCK1 {
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-ramp-delay = <1250>;
- rohm,dvs-run-voltage = <880000>;
- rohm,dvs-idle-voltage = <820000>;
+ rohm,dvs-run-voltage = <900000>;
+ rohm,dvs-idle-voltage = <850000>;
rohm,dvs-suspend-voltage = <810000>;
regulator-always-on;
};
@@ -831,8 +831,8 @@ buck2_reg: BUCK2 {
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-ramp-delay = <1250>;
- rohm,dvs-run-voltage = <950000>;
- rohm,dvs-idle-voltage = <850000>;
+ rohm,dvs-run-voltage = <1000000>;
+ rohm,dvs-idle-voltage = <900000>;
regulator-always-on;
};
@@ -841,14 +841,14 @@ buck3_reg: BUCK3 {
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
regulator-boot-on;
- rohm,dvs-run-voltage = <850000>;
+ rohm,dvs-run-voltage = <900000>;
};
buck4_reg: BUCK4 {
regulator-name = "buck4";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
- rohm,dvs-run-voltage = <930000>;
+ rohm,dvs-run-voltage = <1000000>;
};
buck5_reg: BUCK5 {
@@ -1379,13 +1379,3 @@ &wdog1 {
fsl,ext-reset-output;
status = "okay";
};
-
-&a53_opp_table {
- opp-1000000000 {
- opp-microvolt = <850000>;
- };
-
- opp-1500000000 {
- opp-microvolt = <950000>;
- };
-};
--
2.53.0
next prev parent reply other threads:[~2026-04-13 14:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-13 12:13 FAILED: patch "[PATCH] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to" failed to apply to 6.1-stable tree gregkh
2026-04-13 14:07 ` [PATCH 6.1.y 1/4] arm64: dts: imx8mq-librem5: Set the DVS voltages lower Sasha Levin
2026-04-13 14:07 ` [PATCH 6.1.y 2/4] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage to 0.81V Sasha Levin
2026-04-13 14:07 ` Sasha Levin [this message]
2026-04-13 14:07 ` [PATCH 6.1.y 4/4] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V Sasha Levin
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