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arm64: dts: qcom: radxa-airbox-q900: add PWM fan support with thermal… #498

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arm64: dts: qcom: radxa-airbox-q900: add PWM fan support with thermal… #498

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49 changes: 49 additions & 0 deletions arch/arm64/boot/dts/qcom/qcs9075-radxa-airbox-q900.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,55 @@
pwm-gpio = <&pmm8654au_1_gpios 12 GPIO_ACTIVE_HIGH>;
gpios = <&pmm8654au_1_gpios 12 GPIO_ACTIVE_HIGH>;
};

fan0: pwm-fan {
compatible = "pwm-fan";
#cooling-cells = <2>;
pwms = <&pwm_gpio 0 1000000 0>; // default pwm0, 1ms period, normal polarity
cooling-levels = <0 100 170 255>; // max 255
};
};

&thermal_zones {
cpu-0-1-0-thermal {
polling-delay = <1000>;
polling-delay-passive = <1000>;
trips {
cpu_threshold:cpu-threshold {
temperature = <50000>;
hysteresis = <2000>;
type = "active";
};
};

cooling-maps {
map1 {
trip = <&cpu_threshold>;
cooling-device = <&fan0 0 3>;
contribution = <2048>;
};
};
};

gpuss-0-thermal {
polling-delay = <1000>;
polling-delay-passive = <1000>;
trips {
gpu_threshold:gpu-threshold {
temperature = <50000>;
hysteresis = <2000>;
type = "active";
};
};

cooling-maps {
map1 {
trip = <&gpu_threshold>;
cooling-device = <&fan0 0 3>;
contribution = <1024>;
};
};
};
};

&apps_rsc {
Expand Down