[PATCH v5 10/11] ARM: dts: tegra30: beaver: Set up voltage regulators for DVFS

Dmitry Osipenko
2019-11-18T16:47:10Z

Set min/max voltage and couple CPU/CORE regulators.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
arch/arm/boot/dts/tegra30-beaver.dts | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index a3b0f3555cd2..6ebb3105af9e 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -1806,9 +1806,14 @@

vddctrl_reg: vddctrl {
regulator-name = "vdd_cpu,vdd_sys";
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1000000>;
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1250000>;
+ regulator-coupled-with = <&core_vdd_reg>;
+ regulator-coupled-max-spread = <300000>;
+ regulator-max-step-microvolt = <100000>;
regulator-always-on;
+
+ nvidia,tegra-cpu-regulator;
};

vio_reg: vio {
@@ -1868,17 +1873,22 @@
};
};

- tps62361@60 {
+ core_vdd_reg: tps62361@60 {
compatible = "ti,tps62361";
reg = <0x60>;

regulator-name = "tps62361-vout";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <1500000>;
+ regulator-coupled-with = <&vddctrl_reg>;
+ regulator-coupled-max-spread = <300000>;
+ regulator-max-step-microvolt = <100000>;
regulator-boot-on;
regulator-always-on;
ti,vsel0-state-high;
ti,vsel1-state-high;
+
+ nvidia,tegra-core-regulator;
};
};

--
2.23.0