Commit 82d3d459 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding
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ARM: tegra: ventana: Support CPU and Core voltage scaling 



Support CPU and Core voltage scaling on Tegra20 Ventana board.

Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent a38fd874

arch/arm/boot/dts/tegra20-ventana.dts

+28 −9
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
#include <dt-bindings/input/input.h>

#include "tegra20.dtsi"

#include "tegra20-cpu-opp.dtsi"

#include "tegra20-cpu-opp-microvolt.dtsi"



/ {

	model = "NVIDIA Tegra20 Ventana evaluation board";
@@ -420,18 +421,28 @@ sys_reg: sys { 
					regulator-always-on;

				};



				sm0 {

				vdd_core: sm0 {

					regulator-name = "vdd_sm0,vdd_core";

					regulator-min-microvolt = <1200000>;

					regulator-max-microvolt = <1200000>;

					regulator-min-microvolt = <950000>;

					regulator-max-microvolt = <1300000>;

					regulator-coupled-with = <&rtc_vdd &vdd_cpu>;

					regulator-coupled-max-spread = <170000 550000>;

					regulator-always-on;

					regulator-boot-on;



					nvidia,tegra-core-regulator;

				};



				sm1 {

				vdd_cpu: sm1 {

					regulator-name = "vdd_sm1,vdd_cpu";

					regulator-min-microvolt = <1000000>;

					regulator-max-microvolt = <1000000>;

					regulator-min-microvolt = <750000>;

					regulator-max-microvolt = <1125000>;

					regulator-coupled-with = <&vdd_core &rtc_vdd>;

					regulator-coupled-max-spread = <550000 550000>;

					regulator-always-on;

					regulator-boot-on;



					nvidia,tegra-cpu-regulator;

				};



				sm2_reg: sm2 {
@@ -450,10 +461,16 @@ ldo1 { 
					regulator-always-on;

				};



				ldo2 {

				rtc_vdd: ldo2 {

					regulator-name = "vdd_ldo2,vdd_rtc";

					regulator-min-microvolt = <1200000>;

					regulator-max-microvolt = <1200000>;

					regulator-min-microvolt = <950000>;

					regulator-max-microvolt = <1300000>;

					regulator-coupled-with = <&vdd_core &vdd_cpu>;

					regulator-coupled-max-spread = <170000 550000>;

					regulator-always-on;

					regulator-boot-on;



					nvidia,tegra-rtc-regulator;

				};



				ldo3 {
@@ -595,10 +612,12 @@ clk32k_in: clock@0 { 


	cpus {

		cpu0: cpu@0 {

			cpu-supply = <&vdd_cpu>;

			operating-points-v2 = <&cpu0_opp_table>;

		};



		cpu@1 {

			cpu-supply = <&vdd_cpu>;

			operating-points-v2 = <&cpu0_opp_table>;

		};

	};