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arm64: dts: rockchip: Enable automatic fan control on Radxa Rock 5C

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Add the necessary cooling map to enable the kernel's thermal subsystem
to manage the fan speed automatically depending on the overall SoC
package temperature on Radxa Rock 5C

Signed-off-by: Alexey Charkov <alchark@gmail.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/20250120-rock-5c-fan-v1-2-5fb8446c981b@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Alexey Charkov 2025-01-20 23:22:47 +04:00 committed by Heiko Stuebner
parent 6ed35e6ff5
commit cd5681e63f
1 changed files with 31 additions and 1 deletions
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32
arch/arm64/boot/dts/rockchip/rk3588s-rock-5c.dts
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@ -68,7 +68,7 @@ led-1 {
};
};
fan {
fan: fan {
compatible = "pwm-fan";
#cooling-cells = <2>;
cooling-levels = <0 24 44 64 128 192 255>;
@ -417,6 +417,36 @@ rgmii_phy1: ethernet-phy@1 {
};
};
&package_thermal {
polling-delay = <1000>;
trips {
package_fan0: package-fan0 {
temperature = <55000>;
hysteresis = <2000>;
type = "active";
};
package_fan1: package-fan1 {
temperature = <65000>;
hysteresis = <2000>;
type = "active";
};
};
cooling-maps {
map0 {
trip = <&package_fan0>;
cooling-device = <&fan THERMAL_NO_LIMIT 1>;
};
map1 {
trip = <&package_fan1>;
cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
};
};
};
&pcie2x1l2 {
pinctrl-names = "default";
pinctrl-0 = <&pcie20x1_2_perstn_m0>;