Jetpack/hardware/nvidia/platform/t19x/galen/kernel-dts/common/tegra194-spmic-p2888-0001.dtsi

/*
 * Copyright (c) 2017-2018, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#include <dt-bindings/mfd/max77620.h>
#include <dt-bindings/regulator/regulator.h>
#include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
       aliases {
                rtc0 = &p2888_spmic;
                rtc1 = &tegra_rtc;
        };

	bpmp_i2c {
		p2888_spmic: spmic@3c {
			compatible = "maxim,max20024";
			reg = <0x3c>;

			interrupt-parent = <&tegra_pm_irq>;
			interrupts = <0 TEGRA194_IRQ_PMIC_EXT_INTR IRQ_TYPE_NONE>;

			#interrupt-cells = <2>;
                        interrupt-controller;

			gpio-controller;
			#gpio-cells = <2>;

			enable-clock32k-out;

			system-pmic-power-off;
			avoid-power-off-commands;

			hot-die-threshold-temp = <110000>;
			#thermal-sensor-cells = <0>;

			pinctrl-names = "default";
			pinctrl-0 = <&spmic_default>;

			spmic_default: pinmux@0 {
				pin_gpio0 {
					pins = "gpio0";
					function = "gpio";
				};

				pin_gpio1 {
					pins = "gpio1";
					function = "fps-out";
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				pin_gpio2 {
					pins = "gpio2";
					function = "fps-out";
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				pin_gpio3 {
					pins = "gpio3";
					function = "fps-out";
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				pin_gpio4 {
					pins = "gpio4";
					function = "32k-out1";
					drive-push-pull = <1>;
				};

				pin_gpio6 {
					pins = "gpio6";
					function = "gpio";
					drive-push-pull = <1>;
				};

				pin_gpio7 {
					pins = "gpio7";
					function = "gpio";
					drive-push-pull = <0>;
				};
			};

			gpio_default {
				gpio-hog;
				output-high;
				gpios = <6 0 7 0>;
				label = "spmic-gpio6", "spmic-gpio7";
			};

			p2888_spmic_wdt: watchdog {
				wdt-boot-timeout = <32>;
				wdt-suspend-timeout = <120>;
				status = "disabled";
			};

			fps {
				#address-cells = <1>;
				#size-cells = <0>;

				fps0 {
					reg = <0>;
					fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
				};

				fps1 {
					reg = <1>;
					fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
					device-state-on-disabled-event = <MAX77620_FPS_INACTIVE_STATE_SLEEP>;
				};

				fps2 {
					reg = <2>;
					fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
				};
			};

			backup-battery {
				backup-battery-charging-current = <100>;
				backup-battery-charging-voltage = <3000000>;
				backup-battery-output-resister = <100>;
				status = "disabled";
			};

			regulators {
				in-ldo7-8-supply = <&p2888_spmic_sd2>;

				p2888_spmic_sd0: sd0 {
					regulator-name = "vdd-1v0";
					regulator-always-on;
					regulator-boot-on;
					regulator-init-mode = <REGULATOR_MODE_NORMAL>;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_sd1: sd1 {
					regulator-name = "vdd-1v8-hs";
					regulator-always-on;
					regulator-boot-on;
					regulator-init-mode = <REGULATOR_MODE_NORMAL>;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_sd2: sd2 {
					regulator-name = "vdd-1v8-ls";
					regulator-always-on;
					regulator-boot-on;
					regulator-init-mode = <REGULATOR_MODE_NORMAL>;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_sd3: sd3 {
					regulator-name = "vdd-1v8-ao";
					regulator-always-on;
					regulator-boot-on;
					regulator-init-mode = <REGULATOR_MODE_NORMAL>;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_sd4: sd4 {
					regulator-name = "vddio-ddr-1v1";
					regulator-always-on;
					regulator-boot-on;
					regulator-init-mode = <REGULATOR_MODE_NORMAL>;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo0: ldo0 {
					regulator-name = "vdd-rtc";
					regulator-always-on;
					regulator-boot-on;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo1: ldo1 {
					regulator-name = "spmic-ldo1";
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo2: ldo2 {
					regulator-name = "vdd-ao-3v3";
					regulator-always-on;
					regulator-boot-on;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo3: ldo3 {
					regulator-name = "vddio-emmc-3v3";
					regulator-always-on;
					regulator-boot-on;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo4: ldo4 {
					regulator-name = "spmic-ldo4";
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo5: ldo5 {
					regulator-name = "vdd-usb-3v3";
					regulator-always-on;
					regulator-boot-on;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo6: ldo6 {
					regulator-name = "vddio-sdmmc1-3v3";
					regulator-always-on;
					regulator-boot-on;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo7: ldo7 {
					regulator-name = "vdd-csi-1v2";
					regulator-always-on;
					regulator-boot-on;
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};

				p2888_spmic_ldo8: ldo8 {
					regulator-name = "spmic-ldo8";
					active-fps-source = <MAX77620_FPS_SRC_DEF>;
				};
			};
		};
	};

	dummy_cool_dev: dummy-cool-dev {
		compatible = "dummy-cooling-dev";
		#cooling-cells = <2>; /* min followed by max */
		status = "disabled";
	};

	thermal-zones {
		PMIC-Die {
			polling-delay = <0>; /* milliseconds */
			polling-delay-passive = <0>; /* milliseconds */

			thermal-sensors = <&p2888_spmic>;
			trips {
				die_temp_thresh: hot-die {
					temperature = <120000>;
					type = "active";
					hysteresis = <0>;
				};
			};

			cooling-maps {
				map0 {
					trip = <&die_temp_thresh>;
					cooling-device = <&{/bthrot_cdev/emergency_balanced}
							THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
					contribution = <100>;
					cdev-type = "emergency-balanced";
				};
			};
		};
	};
};