diff options
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso new file mode 100644 index 000000000000..5057658061b4 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Copyright (C) 2024 PHYTEC America LLC + * Author: Nathan Morrisson <nmorrisson@phytec.com> + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/thermal/thermal.h> +#include "k3-pinctrl.h" + +&{/} { + fan: gpio-fan { + compatible = "gpio-fan"; + gpio-fan,speed-map = <0 0 8600 1>; + gpios = <&main_gpio0 28 GPIO_ACTIVE_LOW>; + #cooling-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_fan_pins_default>; + }; +}; + +&main_pmx0 { + gpio_fan_pins_default: gpio-fan-default-pins { + pinctrl-single,pins = < + AM64X_IOPAD(0x070, PIN_OUTPUT, 7) /* (V18) GPMC0_AD13.GPIO0_28 */ + >; + }; +}; + +&thermal_zones { + main0_thermal: main0-thermal { + trips { + main0_thermal_trip0: main0-thermal-trip { + temperature = <65000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map0 { + trip = <&main0_thermal_trip0>; + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; +}; |