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Commit 1b4c8420 authored by Rhyland Klein's avatar Rhyland Klein Committed by Thierry Reding
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arm64: tegra: Add regulators for Tegra210 Smaug 

Add regulators to the Tegra210 Smaug DTS file including support for the
MAX77620 PMIC.
Signed-off-by: default avatarRhyland Klein <rklein@nvidia.com>
Acked-by: default avatarLaxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 9168e1db
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arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
View file @ 1b4c8420
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/mfd/max77620.h>
#include <dt-bindings/pinctrl/pinctrl-tegra.h>
#include "tegra210.dtsi"
......@@ -1327,6 +1328,234 @@ battery: bq27742@55 {
};
};
i2c@7000d000 {
status = "okay";
clock-frequency = <1000000>;
max77620: max77620@3c {
compatible = "maxim,max77620";
reg = <0x3c>;
interrupts = <0 86 IRQ_TYPE_NONE>;
#interrupt-cells = <2>;
interrupt-controller;
gpio-controller;
#gpio-cells = <2>;
pinctrl-names = "default";
pinctrl-0 = <&max77620_default>;
max77620_default: pinmux@0 {
pin_gpio {
pins = "gpio0", "gpio1", "gpio2", "gpio7";
function = "gpio";
};
/*
* GPIO3 is used to en_pp3300, and it is part of power
* sequence, So it must be sequenced up (automatically
* set by OTP) and down properly.
*/
pin_gpio3 {
pins = "gpio3";
function = "fps-out";
drive-open-drain = <1>;
maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
maxim,active-fps-power-up-slot = <4>;
maxim,active-fps-power-down-slot = <2>;
};
pin_gpio5_6 {
pins = "gpio5", "gpio6";
function = "gpio";
drive-push-pull = <1>;
};
pin_32k {
pins = "gpio4";
function = "32k-out1";
};
};
fps {
fps0 {
maxim,shutdown-fps-time-period-us = <5120>;
maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
};
fps1 {
maxim,shutdown-fps-time-period-us = <5120>;
maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
maxim,device-state-on-disabled-event = <MAX77620_FPS_INACTIVE_STATE_SLEEP>;
};
fps2 {
maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
};
};
regulators {
in-ldo0-1-supply = <&pp1350>;
in-ldo2-supply = <&pp3300>;
in-ldo3-5-supply = <&pp3300>;
in-ldo7-8-supply = <&pp1350>;
ppvar_soc: sd0 {
regulator-name = "PPVAR_SOC";
regulator-min-microvolt = <825000>;
regulator-max-microvolt = <1125000>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
maxim,active-fps-power-up-slot = <1>;
maxim,active-fps-power-down-slot = <7>;
};
pp1100_sd1: sd1 {
regulator-name = "PP1100";
regulator-min-microvolt = <1125000>;
regulator-max-microvolt = <1125000>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
maxim,active-fps-power-up-slot = <5>;
maxim,active-fps-power-down-slot = <1>;
};
pp1350: sd2 {
regulator-name = "PP1350";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <2>;
maxim,active-fps-power-down-slot = <5>;
};
pp1800: sd3 {
regulator-name = "PP1800";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
maxim,active-fps-power-up-slot = <3>;
maxim,active-fps-power-down-slot = <3>;
};
pp1200_avdd: ldo0 {
regulator-name = "PP1200_AVDD";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-enable-ramp-delay = <26>;
regulator-ramp-delay = <100000>;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
pp1200_rcam: ldo1 {
regulator-name = "PP1200_RCAM";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-enable-ramp-delay = <22>;
regulator-ramp-delay = <100000>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
pp_ldo2: ldo2 {
regulator-name = "PP_LDO2";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <62>;
regulator-ramp-delay = <11000>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
pp2800l_rcam: ldo3 {
regulator-name = "PP2800L_RCAM";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <50>;
regulator-ramp-delay = <100000>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
pp100_soc_rtc: ldo4 {
regulator-name = "PP1100_SOC_RTC";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <850000>;
regulator-enable-ramp-delay = <22>;
regulator-ramp-delay = <100000>;
regulator-always-on; /* Check this */
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
maxim,active-fps-power-up-slot = <1>;
maxim,active-fps-power-down-slot = <7>;
};
pp2800l_fcam: ldo5 {
regulator-name = "PP2800L_FCAM";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <62>;
regulator-ramp-delay = <100000>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
ldo6 {
/* Unused. */
regulator-name = "PP_LDO6";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <36>;
regulator-ramp-delay = <100000>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
pp1050_avdd: ldo7 {
regulator-name = "PP1050_AVDD";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-enable-ramp-delay = <24>;
regulator-ramp-delay = <100000>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
maxim,active-fps-power-up-slot = <3>;
maxim,active-fps-power-down-slot = <4>;
};
avddio_1v05: ldo8 {
regulator-name = "AVDDIO_1V05";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-enable-ramp-delay = <22>;
regulator-ramp-delay = <100000>;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
};
};
};
pmc@7000e400 {
nvidia,invert-interrupt;
nvidia,suspend-mode = <0>;
......@@ -1421,4 +1650,89 @@ psci {
compatible = "arm,psci-1.0";
method = "smc";
};
regulators {
compatible = "simple-bus";
device_type = "fixed-regulators";
#address-cells = <1>;
#size-cells = <0>;
ppvar_sys: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;
regulator-name = "PPVAR_SYS";
regulator-min-microvolt = <4400000>;
regulator-max-microvolt = <4400000>;
regulator-always-on;
};
pplcd_vdd: regulator@1 {
compatible = "regulator-fixed";
reg = <1>;
regulator-name = "PPLCD_VDD";
regulator-min-microvolt = <4400000>;
regulator-max-microvolt = <4400000>;
gpio = <&gpio TEGRA_GPIO(V, 4) 0>;
enable-active-high;
regulator-boot-on;
};
pp3000_always: regulator@2 {
compatible = "regulator-fixed";
reg = <2>;
regulator-name = "PP3000_ALWAYS";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
};
pp3300: regulator@3 {
compatible = "regulator-fixed";
reg = <3>;
regulator-name = "PP3300";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
enable-active-high;
};
pp5000: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "PP5000";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
pp1800_lcdio: regulator@5 {
compatible = "regulator-fixed";
reg = <5>;
regulator-name = "PP1800_LCDIO";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio TEGRA_GPIO(V, 3) 0>;
enable-active-high;
regulator-boot-on;
};
pp1800_cam: regulator@6 {
compatible = "regulator-fixed";
reg= <6>;
regulator-name = "PP1800_CAM";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio TEGRA_GPIO(K, 3) 0>;
enable-active-high;
};
usbc_vbus: regulator@7 {
compatible = "regulator-fixed";
reg = <7>;
regulator-name = "USBC_VBUS";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
};
};
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