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arm64: dts: imx8mp-evk: add regulator supply to CPU nodes

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This supply is used by cpufreq to scale the voltage applied to the
ARM voltage domain of the SoC when switching between the different
operating points.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Lucas Stach
2022-05-25 12:35:20 +02:00
committed by Shawn Guo
parent fd207b4727
commit e56fdc60ac
1 changed files with 17 additions and 1 deletions
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18
arch/arm64/boot/dts/freescale/imx8mp-evk.dts
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@@ -67,6 +67,22 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
};
};
&A53_0 {
cpu-supply = <&reg_arm>;
};
&A53_1 {
cpu-supply = <&reg_arm>;
};
&A53_2 {
cpu-supply = <&reg_arm>;
};
&A53_3 {
cpu-supply = <&reg_arm>;
};
&flexcan1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan1>;
@@ -221,7 +237,7 @@ BUCK1 {
regulator-ramp-delay = <3125>;
};
BUCK2 {
reg_arm: BUCK2 {
regulator-name = "BUCK2";
regulator-min-microvolt = <720000>;
regulator-max-microvolt = <1025000>;