Commit 9774d96b authored by Caesar Wang's avatar Caesar Wang Committed by Heiko Stuebner
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ARM: dts: rockchip: add RK3288 Thermal data 



This patch changes a dtsi file to contain the thermal data
on RK3288 and later SoCs. This data will
enable a thermal shutdown over 90C.

Signed-off-by: default avatarCaesar Wang <caesar.wang@rock-chips.com>
Reviewed-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent b77d4394

arch/arm/boot/dts/rk3288-thermal.dtsi

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+74 −0
Original line number Diff line number Diff line 
/*

 * Device Tree Source for RK3288 SoC thermal

 *

 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd

 *

 * This file is licensed under the terms of the GNU General Public License

 * version 2.  This program is licensed "as is" without any warranty of any

 * kind, whether express or implied.

 */



#include <dt-bindings/thermal/thermal.h>



reserve_thermal: reserve_thermal {

	polling-delay-passive = <1000>; /* milliseconds */

	polling-delay = <5000>; /* milliseconds */



	thermal-sensors = <&tsadc 0>;

};



cpu_thermal: cpu_thermal {

	polling-delay-passive = <1000>; /* milliseconds */

	polling-delay = <5000>; /* milliseconds */



	thermal-sensors = <&tsadc 1>;



	trips {

		cpu_alert0: cpu_alert0 {

			temperature = <70000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "passive";

		};

		cpu_crit: cpu_crit {

			temperature = <90000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "critical";

		};

	};



	cooling-maps {

		map0 {

			trip = <&cpu_alert0>;

			cooling-device =

				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

		};

	};

};



gpu_thermal: gpu_thermal {

	polling-delay-passive = <1000>; /* milliseconds */

	polling-delay = <5000>; /* milliseconds */



	thermal-sensors = <&tsadc 2>;



	trips {

		gpu_alert0: gpu_alert0 {

			temperature = <70000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "passive";

		};

		gpu_crit: gpu_crit {

			temperature = <90000>; /* millicelsius */

			hysteresis = <2000>; /* millicelsius */

			type = "critical";

		};

	};



	cooling-maps {

		map0 {

			trip = <&gpu_alert0>;

			cooling-device =

				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

		};

	};

};