diff options
| author |   Dmitry Osipenko <digetx@gmail.com> | 2019-10-25 01:14:12 +0300 |
|---|---|---|
| committer |   Thierry Reding <treding@nvidia.com> | 2019-10-29 20:29:17 +0100 |
| commit | a60e68f98fbd2826ebc468fd3a3ce40be6ad29a6 (patch) | |
| tree | 833e2fc5ac53f4e4bb06a4a384e9f6b7a6df15f6 /arch/arm/boot/dts/tegra20-paz00.dts | |
| parent | ARM: tegra: Add CPU Operating Performance Points for Tegra30 (diff) | |
| download | linux-dev-a60e68f98fbd2826ebc468fd3a3ce40be6ad29a6.tar.xz linux-dev-a60e68f98fbd2826ebc468fd3a3ce40be6ad29a6.zip | |
ARM: tegra: paz00: Set up voltage regulators for DVFS
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>
Diffstat (limited to 'arch/arm/boot/dts/tegra20-paz00.dts')
| -rw-r--r-- | arch/arm/boot/dts/tegra20-paz00.dts | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts index 8861e0976e37..6e9fe192c648 100644 --- a/arch/arm/boot/dts/tegra20-paz00.dts +++ b/arch/arm/boot/dts/tegra20-paz00.dts @@ -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 { |