Commit b7bfbbbf authored by Furkan Kardame's avatar Furkan Kardame Committed by Neil Armstrong
Browse files

arm64: dts: meson: add gpio-fan control to GS-King-X 



GS-King-X has a single speed GPIO fan which is always-on by default.
If we add controls for the fan and a trip point,
the fan stays off most of the time, reducing background
noise from the unit.

Signed-off-by: default avatarFurkan Kardame <f.kardame@manjaro.org>
Reviewed-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220611170852.19487-1-f.kardame@manjaro.org
parent 4fd9afd8

arch/arm64/boot/dts/amlogic/meson-g12b-gsking-x.dts

+25 −0
Original line number Diff line number Diff line
@@ -20,6 +20,14 @@ aliases { 
		rtc1 = &vrtc;

	};



	gpio_fan: gpio-fan {

		compatible = "gpio-fan";

		gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;

		/* Using Dummy Speed */

		gpio-fan,speed-map = <0 0>, <1 1>;

		#cooling-cells = <2>;

	};



	gpio-keys-polled {

		compatible = "gpio-keys-polled";

		poll-interval = <100>;
@@ -94,6 +102,23 @@ &clkc_audio { 
	status = "okay";

};



&cpu_thermal {

	trips {

		cpu_active: cpu-active {

			temperature = <70000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "active";

		};

	};



	cooling-maps {

		map {

			trip = <&cpu_active>;

			cooling-device = <&gpio_fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

		};

	};

};



&frddr_a {

	status = "okay";

};