1*01950c46SEmmanuel Vadot// SPDX-License-Identifier: GPL-2.0-only OR MIT 2*01950c46SEmmanuel Vadot/* 3*01950c46SEmmanuel Vadot * Copyright (C) 2024 PHYTEC America LLC 4*01950c46SEmmanuel Vadot * Author: Garrett Giordano <ggiordano@phytec.com> 5*01950c46SEmmanuel Vadot */ 6*01950c46SEmmanuel Vadot 7*01950c46SEmmanuel Vadot/dts-v1/; 8*01950c46SEmmanuel Vadot/plugin/; 9*01950c46SEmmanuel Vadot 10*01950c46SEmmanuel Vadot#include <dt-bindings/gpio/gpio.h> 11*01950c46SEmmanuel Vadot#include <dt-bindings/thermal/thermal.h> 12*01950c46SEmmanuel Vadot#include "k3-pinctrl.h" 13*01950c46SEmmanuel Vadot 14*01950c46SEmmanuel Vadot&{/} { 15*01950c46SEmmanuel Vadot fan: gpio-fan { 16*01950c46SEmmanuel Vadot compatible = "gpio-fan"; 17*01950c46SEmmanuel Vadot gpio-fan,speed-map = <0 0 8600 1>; 18*01950c46SEmmanuel Vadot gpios = <&main_gpio0 40 GPIO_ACTIVE_LOW>; 19*01950c46SEmmanuel Vadot #cooling-cells = <2>; 20*01950c46SEmmanuel Vadot pinctrl-names = "default"; 21*01950c46SEmmanuel Vadot pinctrl-0 = <&gpio_fan_pins_default>; 22*01950c46SEmmanuel Vadot }; 23*01950c46SEmmanuel Vadot}; 24*01950c46SEmmanuel Vadot 25*01950c46SEmmanuel Vadot&main_pmx0 { 26*01950c46SEmmanuel Vadot gpio_fan_pins_default: gpio-fan-default-pins { 27*01950c46SEmmanuel Vadot pinctrl-single,pins = < 28*01950c46SEmmanuel Vadot AM62X_IOPAD(0x0a4, PIN_OUTPUT, 7) /* (M22) GPMC0_DIR.GPIO0_40 */ 29*01950c46SEmmanuel Vadot >; 30*01950c46SEmmanuel Vadot }; 31*01950c46SEmmanuel Vadot}; 32*01950c46SEmmanuel Vadot 33*01950c46SEmmanuel Vadot&thermal_zones { 34*01950c46SEmmanuel Vadot main0_thermal: main0-thermal { 35*01950c46SEmmanuel Vadot trips { 36*01950c46SEmmanuel Vadot main0_thermal_trip0: main0-thermal-trip { 37*01950c46SEmmanuel Vadot temperature = <65000>; /* millicelsius */ 38*01950c46SEmmanuel Vadot hysteresis = <2000>; /* millicelsius */ 39*01950c46SEmmanuel Vadot type = "active"; 40*01950c46SEmmanuel Vadot }; 41*01950c46SEmmanuel Vadot }; 42*01950c46SEmmanuel Vadot 43*01950c46SEmmanuel Vadot cooling-maps { 44*01950c46SEmmanuel Vadot map0 { 45*01950c46SEmmanuel Vadot trip = <&main0_thermal_trip0>; 46*01950c46SEmmanuel Vadot cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; 47*01950c46SEmmanuel Vadot }; 48*01950c46SEmmanuel Vadot }; 49*01950c46SEmmanuel Vadot }; 50*01950c46SEmmanuel Vadot}; 51