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Revert "arm64: dts: imx8mq-librem5: Set the DVS voltages lower"

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This reverts commit c24a9b698f.

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: c24a9b698f ("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>
This commit is contained in:
Sebastian Krzyszkowiak 2026-02-21 19:15:18 +01:00 committed by Frank Li
parent bccaf98c10
commit 4cd46ea0eb
2 changed files with 7 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
View File

@ -7,7 +7,7 @@
&a53_opp_table {
opp-1000000000 {
opp-microvolt = <950000>;
opp-microvolt = <1000000>;
};
};

22
arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
View File

@ -880,8 +880,8 @@ 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;
};
@ -892,8 +892,8 @@ 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;
};
@ -902,14 +902,14 @@ 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 {
@ -1448,13 +1448,3 @@ &wdog1 {
fsl,ext-reset-output;
status = "okay";
};
&a53_opp_table {
opp-1000000000 {
opp-microvolt = <850000>;
};
opp-1500000000 {
opp-microvolt = <950000>;
};
};