Commit 44a201df authored by Anand Moon's avatar Anand Moon Committed by Neil Armstrong
Browse files

arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+ 



Odroid N2/N2+ support active cooling via gpio-fan controller.
Add fan controls and tip point for cpu and ddr thermal sensor
on this boards.

Signed-off-by: default avatarAnand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20221021050906.1158-1-linux.amoon@gmail.com


Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
parent ce759829

arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi

+42 −0
Original line number Diff line number Diff line
@@ -39,6 +39,14 @@ 
		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;

	};



	fan: gpio-fan {

		compatible = "gpio-fan";

		gpios = <&gpio_ao GPIOAO_10 GPIO_ACTIVE_HIGH>;

		/* Using Dummy Speed */

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

		#cooling-cells = <2>;

	};



	leds {

		compatible = "gpio-leds";
@@ -410,6 +418,40 @@ 
	clock-latency = <50000>;

};



&cpu_thermal {

	trips {

		cpu_active: cpu-active {

			temperature = <60000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "active";

		};

	};



	cooling-maps {

		map {

			trip = <&cpu_active>;

			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

		};

	};

};



&ddr_thermal {

	trips {

		ddr_active: ddr-active {

			temperature = <60000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "active";

		};

	};



	cooling-maps {

		map {

			trip = <&ddr_active>;

			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

		};

	};

};



&ext_mdio {

	external_phy: ethernet-phy@0 {

		/* Realtek RTL8211F (0x001cc916) */