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arm64: dts: rockchip: add pwm-fan for NanoPC-T6

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FriendlyELEC offers an optional heatsink and fan addon [1] for the
NanoPC-T6 and T6 LTS, which plugs in to the fan connector on the board
driven by pwm1. Add the fan as an active cooling device for the SoC package.
The PWM duty cycle values are taken from the vendor's source [2].

Signed-off-by: Hugh Cole-Baker <sigmaris@gmail.com>

[1]: https://www.friendlyelec.com/index.php?route=product/product&product_id=305
[2]: 4944602540/arch/arm64/boot/dts/rockchip/rk3588-nanopi6-rev01.dts (L75-L90)

Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Link: https://patch.msgid.link/20260125181228.25145-1-sigmaris@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Hugh Cole-Baker 2026-01-25 18:10:14 +00:00 committed by Heiko Stuebner
parent 86a82f7a7e
commit 0c02a10390
1 changed files with 39 additions and 0 deletions
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39
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
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@ -11,6 +11,7 @@
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/soc/rockchip,vop2.h>
#include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/usb/pd.h>
#include "rk3588.dtsi"
@ -89,6 +90,14 @@ usr_led: led-1 {
};
};
fan: pwm-fan {
compatible = "pwm-fan";
cooling-levels = <0 35 64 100 150 255>;
fan-supply = <&vcc5v0_sys>;
pwms = <&pwm1 0 50000 0>;
#cooling-cells = <2>;
};
sound {
compatible = "simple-audio-card";
pinctrl-names = "default";
@ -590,6 +599,36 @@ &i2s6_8ch {
status = "okay";
};
&package_thermal {
polling-delay = <1000>;
trips {
package_warm: package-warm {
temperature = <55000>;
hysteresis = <2000>;
type = "active";
};
package_hot: package-hot {
temperature = <65000>;
hysteresis = <2000>;
type = "active";
};
};
cooling-maps {
map0 {
trip = <&package_warm>;
cooling-device = <&fan THERMAL_NO_LIMIT 1>;
};
map1 {
trip = <&package_hot>;
cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
};
};
};
&pcie2x1l0 {
reset-gpios = <&gpio4 RK_PB3 GPIO_ACTIVE_HIGH>;
vpcie3v3-supply = <&vcc_3v3_pcie20>;