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

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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: Nathan Morrisson <nmorrisson@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240213005248.1027842-1-nmorrisson@phytec.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Nathan Morrisson 2024-02-12 16:52:48 -08:00 committed by Vignesh Raghavendra
parent 7f25d6926d
commit d8280f30a9
2 changed files with 53 additions and 0 deletions
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3
arch/arm64/boot/dts/ti/Makefile
View File

@ -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 \

50
arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso Normal file
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@ -0,0 +1,50 @@
// 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>;
};
};
};
};