Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only OR MIT |
| 2 | /* |
| 3 | * Copyright (C) 2024 PHYTEC America LLC |
| 4 | * Author: Garrett Giordano <ggiordano@phytec.com> |
| 5 | */ |
| 6 | |
| 7 | /dts-v1/; |
| 8 | /plugin/; |
| 9 | |
| 10 | #include <dt-bindings/gpio/gpio.h> |
| 11 | #include <dt-bindings/thermal/thermal.h> |
| 12 | #include "k3-pinctrl.h" |
| 13 | |
| 14 | &{/} { |
| 15 | fan: gpio-fan { |
| 16 | compatible = "gpio-fan"; |
| 17 | gpio-fan,speed-map = <0 0 8600 1>; |
| 18 | gpios = <&main_gpio0 40 GPIO_ACTIVE_LOW>; |
| 19 | #cooling-cells = <2>; |
| 20 | pinctrl-names = "default"; |
| 21 | pinctrl-0 = <&gpio_fan_pins_default>; |
| 22 | }; |
| 23 | }; |
| 24 | |
| 25 | &main_pmx0 { |
| 26 | gpio_fan_pins_default: gpio-fan-default-pins { |
| 27 | pinctrl-single,pins = < |
| 28 | AM62X_IOPAD(0x0a4, PIN_OUTPUT, 7) /* (M22) GPMC0_DIR.GPIO0_40 */ |
| 29 | >; |
| 30 | }; |
| 31 | }; |
| 32 | |
| 33 | &thermal_zones { |
| 34 | main0_thermal: main0-thermal { |
| 35 | trips { |
| 36 | main0_thermal_trip0: main0-thermal-trip { |
| 37 | temperature = <65000>; /* millicelsius */ |
| 38 | hysteresis = <2000>; /* millicelsius */ |
| 39 | type = "active"; |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | cooling-maps { |
| 44 | map0 { |
| 45 | trip = <&main0_thermal_trip0>; |
| 46 | cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; |
| 47 | }; |
| 48 | }; |
| 49 | }; |
| 50 | }; |