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ARM: tegra: paz00: Set up voltage regulators for DVFS

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Set minimum and maximum voltages, and couple CPU/CORE/RTC regulators.

Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko 2019-10-25 01:14:12 +03:00 committed by Thierry Reding
parent 875cf30a53
commit a60e68f98f
1 changed files with 20 additions and 7 deletions
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27
arch/arm/boot/dts/tegra20-paz00.dts
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@ -337,18 +337,26 @@
regulator-always-on;
};
sm0 {
core_vdd_reg: sm0 {
regulator-name = "+1.2vs_sm0,vdd_core";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-max-microvolt = <1225000>;
regulator-coupled-with = <&rtc_vdd_reg &cpu_vdd_reg>;
regulator-coupled-max-spread = <170000 450000>;
regulator-always-on;
nvidia,tegra-core-regulator;
};
sm1 {
cpu_vdd_reg: sm1 {
regulator-name = "+1.0vs_sm1,vdd_cpu";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <1100000>;
regulator-coupled-with = <&core_vdd_reg &rtc_vdd_reg>;
regulator-coupled-max-spread = <450000 450000>;
regulator-always-on;
nvidia,tegra-cpu-regulator;
};
sm2_reg: sm2 {
@ -367,10 +375,15 @@
regulator-always-on;
};
ldo2 {
rtc_vdd_reg: ldo2 {
regulator-name = "+1.2vs_ldo2,vdd_rtc";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-max-microvolt = <1225000>;
regulator-coupled-with = <&core_vdd_reg &cpu_vdd_reg>;
regulator-coupled-max-spread = <170000 450000>;
regulator-always-on;
nvidia,tegra-rtc-regulator;
};
ldo3 {