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Commit 1b4c8420 authored by Rhyland Klein's avatar Rhyland Klein Committed by Thierry Reding
Browse files

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

arch/arm64/boot/dts/nvidia/tegra210-smaug.dts

+314 −0
Original line number Diff line number Diff line 
/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 @@ 
		};

	};



	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 @@ 
		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>;

		};

	};

};