// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/mfd/max77620.h>
#include "tegra210.dtsi"
/ {
model = "NVIDIA Jetson Nano Developer Kit";
compatible = "nvidia,p3450-0000", "nvidia,tegra210";
aliases {
ethernet = "/pcie@1003000/pci@2,0/ethernet@0,0";
rtc0 = "/i2c@7000d000/pmic@3c";
rtc1 = "/rtc@7000e000";
serial0 = &uarta;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory {
device_type = "memory";
reg = <0x0 0x80000000 0x1 0x0>;
};
pcie@1003000 {
status = "okay";
avdd-pll-uerefe-supply = <&vdd_pex_1v05>;
hvddio-pex-supply = <&vdd_1v8>;
dvddio-pex-supply = <&vdd_pex_1v05>;
dvdd-pex-pll-supply = <&vdd_pex_1v05>;
hvdd-pex-pll-e-supply = <&vdd_1v8>;
vddio-pex-ctl-supply = <&vdd_1v8>;
pci@1,0 {
phys = <&{/padctl@7009f000/pads/pcie/lanes/pcie-1}>,
<&{/padctl@7009f000/pads/pcie/lanes/pcie-2}>,
<&{/padctl@7009f000/pads/pcie/lanes/pcie-3}>,
<&{/padctl@7009f000/pads/pcie/lanes/pcie-4}>;
phy-names = "pcie-0", "pcie-1", "pcie-2", "pcie-3";
nvidia,num-lanes = <4>;
status = "okay";
};
pci@2,0 {
phys = <&{/padctl@7009f000/pads/pcie/lanes/pcie-0}>;
phy-names = "pcie-0";
status = "okay";
ethernet@0,0 {
reg = <0x000000 0 0 0 0>;
local-mac-address = [ 00 00 00 00 00 00 ];
};
};
};
host1x@50000000 {
dpaux@54040000 {
status = "okay";
};
sor@54540000 {
status = "okay";
avdd-io-hdmi-dp-supply = <&avdd_io_edp_1v05>;
vdd-hdmi-dp-pll-supply = <&vdd_1v8>;
nvidia,xbar-cfg = <2 1 0 3 4>;
nvidia,dpaux = <&dpaux>;
};
sor@54580000 {
status = "okay";
avdd-io-supply = <&avdd_1v05>;
vdd-pll-supply = <&vdd_1v8>;
hdmi-supply = <&vdd_hdmi>;
nvidia,ddc-i2c-bus = <&hdmi_ddc>;
nvidia,hpd-gpio = <&gpio TEGRA_GPIO(CC, 1)
GPIO_ACTIVE_LOW>;
nvidia,xbar-cfg = <0 1 2 3 4>;
};
dpaux@545c0000 {
status = "okay";
};
i2c@546c0000 {
status = "okay";
};
};
gpu@57000000 {
vdd-supply = <&vdd_gpu>;
status = "okay";
};
/* debug port */
serial@70006000 {
status = "okay";
};
pwm@7000a000 {
status = "okay";
};
i2c@7000c500 {
status = "okay";
clock-frequency = <100000>;
eeprom@50 {
compatible = "atmel,24c02";
reg = <0x50>;
vcc-supply = <&vdd_1v8>;
address-bits = <8>;
page-size = <8>;
size = <256>;
read-only;
};
eeprom@57 {
compatible = "atmel,24c02";
reg = <0x57>;
vcc-supply = <&vdd_1v8>;
address-bits = <8>;
page-size = <8>;
size = <256>;
read-only;
};
};
hdmi_ddc: i2c@7000c700 {
status = "okay";
clock-frequency = <100000>;
};
i2c@7000d000 {
status = "okay";
clock-frequency = <400000>;
pmic: pmic@3c {
compatible = "maxim,max77620";
reg = <0x3c>;
interrupt-parent = <&tegra_pmc>;
interrupts = <51 IRQ_TYPE_LEVEL_LOW>;
#interrupt-cells = <2>;
interrupt-controller;
#gpio-cells = <2>;
gpio-controller;
pinctrl-names = "default";
pinctrl-0 = <&max77620_default>;
max77620_default: pinmux {
gpio0 {
pins = "gpio0";
function = "gpio";
};
gpio1 {
pins = "gpio1";
function = "fps-out";
drive-push-pull = <1>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
gpio2 {
pins = "gpio2";
function = "fps-out";
drive-open-drain = <1>;
maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
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 = <3>;
};
gpio4 {
pins = "gpio4";
function = "32k-out1";
};
gpio5_6_7 {
pins = "gpio5", "gpio6", "gpio7";
function = "gpio";
drive-push-pull = <1>;
};
};
fps {
fps0 {
maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
maxim,suspend-fps-time-period-us = <5120>;
};
fps1 {
maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
maxim,suspend-fps-time-period-us = <5120>;
};
fps2 {
maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
};
};
regulators {
in-ldo0-1-supply = <&vdd_pre>;
in-ldo2-supply = <&vdd_3v3_sys>;
in-ldo3-5-supply = <&vdd_1v8>;
in-ldo4-6-supply = <&vdd_5v0_sys>;
in-ldo7-8-supply = <&vdd_pre>;
in-sd0-supply = <&vdd_5v0_sys>;
in-sd1-supply = <&vdd_5v0_sys>;
in-sd2-supply = <&vdd_5v0_sys>;
in-sd3-supply = <&vdd_5v0_sys>;
vdd_soc: sd0 {
regulator-name = "VDD_SOC";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1170000>;
regulator-enable-ramp-delay = <146>;
regulator-disable-ramp-delay = <4080>;
regulator-ramp-delay = <27500>;
regulator-ramp-delay-scale = <300>;
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 = <6>;
};
vdd_ddr: sd1 {
regulator-name = "VDD_DDR_1V1_PMIC";
regulator-min-microvolt = <1150000>;
regulator-max-microvolt = <1150000>;
regulator-enable-ramp-delay = <176>;
regulator-disable-ramp-delay = <145800>;
regulator-ramp-delay = <27500>;
regulator-ramp-delay-scale = <300>;
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 = <2>;
};
vdd_pre: sd2 {
regulator-name = "VDD_PRE_REG_1V35";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
regulator-enable-ramp-delay = <176>;
regulator-disable-ramp-delay = <32000>;
regulator-ramp-delay = <27500>;
regulator-ramp-delay-scale = <350>;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
maxim,active-fps-power-up-slot = <2>;
maxim,active-fps-power-down-slot = <5>;
};
vdd_1v8: sd3 {
regulator-name = "VDD_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <242>;
regulator-disable-ramp-delay = <118000>;
regulator-ramp-delay = <27500>;
regulator-ramp-delay-scale = <360>;
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 = <4>;
};
vdd_sys_1v2: ldo0 {
regulator-name = "AVDD_SYS_1V2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-enable-ramp-delay = <26>;
regulator-disable-ramp-delay = <626>;
regulator-ramp-delay = <100000>;
regulator-ramp-delay-scale = <200>;
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>;
};
vdd_pex_1v05: ldo1 {
regulator-name = "VDD_PEX_1V05";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-enable-ramp-delay = <22>;
regulator-disable-ramp-delay = <650>;
regulator-ramp-delay = <100000>;
regulator-ramp-delay-scale = <200>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
vddio_sdmmc: ldo2 {
regulator-name = "VDDIO_SDMMC";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <62>;
regulator-disable-ramp-delay = <650>;
regulator-ramp-delay = <100000>;
regulator-ramp-delay-scale = <200>;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
maxim,active-fps-power-up-slot = <0>;
maxim,active-fps-power-down-slot = <7>;
};
ldo3 {
status = "disabled";
};
vdd_rtc: ldo4 {
regulator-name = "VDD_RTC";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1100000>;
regulator-enable-ramp-delay = <22>;
regulator-disable-ramp-delay = <610>;
regulator-ramp-delay = <100000>;
regulator-ramp-delay-scale = <200>;
regulator-disable-active-discharge;
regulator-always-on;
regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
maxim,active-fps-power-up-slot = <1>;
maxim,active-fps-power-down-slot = <6>;
};
ldo5 {
status = "disabled";
};
ldo6 {
status = "disabled";
};
avdd_1v05_pll: ldo7 {
regulator-name = "AVDD_1V05_PLL";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-enable-ramp-delay = <24>;
regulator-disable-ramp-delay = <2768>;
regulator-ramp-delay = <100000>;
regulator-ramp-delay-scale = <200>;
maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
maxim,active-fps-power-up-slot = <3>;
maxim,active-fps-power-down-slot = <4>;
};
avdd_1v05: ldo8 {
regulator-name = "AVDD_SATA_HDMI_DP_1V05";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-enable-ramp-delay = <22>;
regulator-disable-ramp-delay = <1160>;
regulator-ramp-delay = <100000>;
regulator-ramp-delay-scale = <200>;
maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
maxim,active-fps-power-up-slot = <6>;
maxim,active-fps-power-down-slot = <1>;
};
};
};
};
pmc@7000e400 {
nvidia,invert-interrupt;
nvidia,suspend-mode = <0>;
nvidia,cpu-pwr-good-time = <0>;
nvidia,cpu-pwr-off-time = <0>;
nvidia,core-pwr-good-time = <4587 3876>;
nvidia,core-pwr-off-time = <39065>;
nvidia,core-power-req-active-high;
nvidia,sys-clock-req-active-high;
};
hda@70030000 {
nvidia,model = "jetson-nano-hda";
status = "okay";
};
usb@70090000 {
phys = <&{/padctl@7009f000/pads/usb2/lanes/usb2-0}>,
<&{/padctl@7009f000/pads/usb2/lanes/usb2-1}>,
<&{/padctl@7009f000/pads/usb2/lanes/usb2-2}>,
<&{/padctl@7009f000/pads/pcie/lanes/pcie-6}>;
phy-names = "usb2-0", "usb2-1", "usb2-2", "usb3-0";
avdd-usb-supply = <&vdd_3v3_sys>;
dvddio-pex-supply = <&vdd_pex_1v05>;
hvddio-pex-supply = <&vdd_1v8>;
/* these really belong to the XUSB pad controller */
avdd-pll-utmip-supply = <&vdd_1v8>;
avdd-pll-uerefe-supply = <&vdd_pex_1v05>;
dvdd-usb-ss-pll-supply = <&vdd_pex_1v05>;
hvdd-usb-ss-pll-e-supply = <&vdd_1v8>;
status = "okay";
};
padctl@7009f000 {
status = "okay";
avdd-pll-utmip-supply = <&vdd_1v8>;
avdd-pll-uerefe-supply = <&vdd_pex_1v05>;
dvdd-pex-pll-supply = <&vdd_pex_1v05>;
hvdd-pex-pll-e-supply = <&vdd_1v8>;
pads {
usb2 {
status = "okay";
lanes {
micro_b: usb2-0 {
nvidia,function = "xusb";
status = "okay";
};
usb2-1 {
nvidia,function = "xusb";
status = "okay";
};
usb2-2 {
nvidia,function = "xusb";
status = "okay";
};
};
};
pcie {
status = "okay";
lanes {
pcie-0 {
nvidia,function = "pcie-x1";
status = "okay";
};
pcie-1 {
nvidia,function = "pcie-x4";
status = "okay";
};
pcie-2 {
nvidia,function = "pcie-x4";
status = "okay";
};
pcie-3 {
nvidia,function = "pcie-x4";
status = "okay";
};
pcie-4 {
nvidia,function = "pcie-x4";
status = "okay";
};
pcie-5 {
nvidia,function = "usb3-ss";
status = "okay";
};
pcie-6 {
nvidia,function = "usb3-ss";
status = "okay";
};
};
};
};
ports {
usb2-0 {
status = "okay";
mode = "peripheral";
usb-role-switch;
connector {
compatible = "usb-b-connector",
"gpio-usb-b-connector";
label = "micro-USB";
type = "micro";
vbus-gpio = <&gpio TEGRA_GPIO(CC, 4)
GPIO_ACTIVE_LOW>;
};
};
usb2-1 {
status = "okay";
mode = "host";
};
usb2-2 {
status = "okay";
mode = "host";
};
usb3-0 {
status = "okay";
nvidia,usb2-companion = <1>;
vbus-supply = <&vdd_hub_3v3>;
};
};
};
sdhci@700b0000 {
status = "okay";
bus-width = <4>;
cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
vqmmc-supply = <&vddio_sdmmc>;
vmmc-supply = <&vdd_3v3_sd>;
};
usb@700d0000 {
status = "okay";
phys = <µ_b>;
phy-names = "usb2-0";
avddio-usb-supply = <&vdd_3v3_sys>;
hvdd-usb-supply = <&vdd_1v8>;
};
sdhci@700b0400 {
status = "okay";
bus-width = <4>;
vqmmc-supply = <&vdd_1v8>;
vmmc-supply = <&vdd_3v3_sys>;
non-removable;
cap-sdio-irq;
keep-power-in-suspend;
wakeup-source;
};
clocks {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
clk32k_in: clock@0 {
compatible = "fixed-clock";
reg = <0>;
#clock-cells = <0>;
clock-frequency = <32768>;
};
};
cpus {
cpu@0 {
enable-method = "psci";
};
cpu@1 {
enable-method = "psci";
};
cpu@2 {
enable-method = "psci";
};
cpu@3 {
enable-method = "psci";
};
idle-states {
cpu-sleep {
status = "okay";
};
};
};
fan: fan {
compatible = "pwm-fan";
pwms = <&pwm 3 45334>;
cooling-levels = <0 64 128 255>;
#cooling-cells = <2>;
};
thermal-zones {
cpu {
trips {
cpu_trip_critical: critical {
temperature = <96500>;
hysteresis = <0>;
type = "critical";
};
cpu_trip_hot: hot {
temperature = <70000>;
hysteresis = <2000>;
type = "hot";
};
cpu_trip_active: active {
temperature = <50000>;
hysteresis = <2000>;
type = "active";
};
cpu_trip_passive: passive {
temperature = <30000>;
hysteresis = <2000>;
type = "passive";
};
};
cooling-maps {
cpu-critical {
cooling-device = <&fan 3 3>;
trip = <&cpu_trip_critical>;
};
cpu-hot {
cooling-device = <&fan 2 2>;
trip = <&cpu_trip_hot>;
};
cpu-active {
cooling-device = <&fan 1 1>;
trip = <&cpu_trip_active>;
};
cpu-passive {
cooling-device = <&fan 0 0>;
trip = <&cpu_trip_passive>;
};
};
};
};
gpio-keys {
compatible = "gpio-keys";
power {
label = "Power";
gpios = <&gpio TEGRA_GPIO(X, 5) GPIO_ACTIVE_LOW>;
linux,input-type = <EV_KEY>;
linux,code = <KEY_POWER>;
debounce-interval = <30>;
wakeup-event-action = <EV_ACT_ASSERTED>;
wakeup-source;
};
force-recovery {
label = "Force Recovery";
gpios = <&gpio TEGRA_GPIO(X, 6) GPIO_ACTIVE_LOW>;
linux,input-type = <EV_KEY>;
linux,code = <BTN_1>;
debounce-interval = <30>;
};
};
psci {
compatible = "arm,psci-1.0";
method = "smc";
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
vdd_5v0_sys: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;
regulator-name = "VDD_5V0_SYS";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};
vdd_3v3_sys: regulator@1 {
compatible = "regulator-fixed";
reg = <1>;
regulator-name = "VDD_3V3_SYS";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <240>;
regulator-disable-ramp-delay = <11340>;
regulator-always-on;
regulator-boot-on;
gpio = <&pmic 3 GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
vdd_3v3_sd: regulator@2 {
compatible = "regulator-fixed";
reg = <2>;
regulator-name = "VDD_3V3_SD";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio TEGRA_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_3v3_sys>;
};
vdd_hdmi: regulator@3 {
compatible = "regulator-fixed";
reg = <3>;
regulator-name = "VDD_HDMI_5V0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&vdd_5v0_sys>;
};
vdd_hub_3v3: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "VDD_HUB_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio TEGRA_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
vdd_cpu: regulator@5 {
compatible = "regulator-fixed";
reg = <5>;
regulator-name = "VDD_CPU";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
gpio = <&pmic 5 GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
vdd_gpu: regulator@6 {
compatible = "pwm-regulator";
reg = <6>;
pwms = <&pwm 1 4880>;
regulator-name = "VDD_GPU";
regulator-min-microvolt = <710000>;
regulator-max-microvolt = <1320000>;
regulator-ramp-delay = <80>;
regulator-enable-ramp-delay = <2000>;
regulator-settling-time-us = <160>;
enable-gpios = <&pmic 6 GPIO_ACTIVE_HIGH>;
vin-supply = <&vdd_5v0_sys>;
};
avdd_io_edp_1v05: regulator@7 {
compatible = "regulator-fixed";
reg = <7>;
regulator-name = "AVDD_IO_EDP_1V05";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
gpio = <&pmic 7 GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&avdd_1v05_pll>;
};
};
};
