Commit d8280f30 authored by Nathan Morrisson's avatar Nathan Morrisson Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: am62-phyboard-lyra: Add overlay to enable a GPIO fan 



The phyBOARD-Lyra has a GPIO fan header. This overlay enables the fan
header and sets the fan to turn on at 65C.

Signed-off-by: default avatarNathan Morrisson <nmorrisson@phytec.com>
Reviewed-by: default avatarWadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240213005248.1027842-1-nmorrisson@phytec.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 7f25d692

arch/arm64/boot/dts/ti/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia.dtb 
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dev.dtb

dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-mallow.dtb

dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-yavia.dtb

dtb-$(CONFIG_ARCH_K3) += k3-am62x-phyboard-lyra-gpio-fan.dtbo

dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb



# Boards with AM62Ax SoC
@@ -92,6 +93,8 @@ k3-am625-beagleplay-csi2-ov5640-dtbs := k3-am625-beagleplay.dtb \ 
	k3-am625-beagleplay-csi2-ov5640.dtbo

k3-am625-beagleplay-csi2-tevi-ov5640-dtbs := k3-am625-beagleplay.dtb \

	k3-am625-beagleplay-csi2-tevi-ov5640.dtbo

k3-am625-phyboard-lyra-gpio-fan-dtbs := k3-am625-phyboard-lyra-rdk.dtb \

	k3-am62x-phyboard-lyra-gpio-fan.dtbo

k3-am625-sk-csi2-imx219-dtbs := k3-am625-sk.dtb \

	k3-am62x-sk-csi2-imx219.dtbo

k3-am625-sk-csi2-ov5640-dtbs := k3-am625-sk.dtb \

arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso

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+50 −0
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// SPDX-License-Identifier: GPL-2.0-only OR MIT

/*

 * Copyright (C) 2024 PHYTEC America LLC

 * Author: Garrett Giordano <ggiordano@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 40 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 = <

			AM62X_IOPAD(0x0a4, PIN_OUTPUT, 7) /* (M22) GPMC0_DIR.GPIO0_40 */

		>;

	};

};



&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>;

			};

		};

	};

};