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kernel/linux-rt-4.4.41/arch/arm/boot/dts/rk3288-thermal.dtsi 3.33 KB
5113f6f70   김현기   kernel add
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  /*
   * Device Tree Source for RK3288 SoC thermal
   *
   * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
   *
   * This file is dual-licensed: you can use it either under the terms
   * of the GPL or the X11 license, at your option. Note that this dual
   * licensing only applies to this file, and not this project as a
   * whole.
   *
   *  a) This file is free software; you can redistribute it and/or
   *     modify it under the terms of the GNU General Public License as
   *     published by the Free Software Foundation; either version 2 of the
   *     License, or (at your option) any later version.
   *
   *     This file is distributed in the hope that it will be useful,
   *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *     GNU General Public License for more details.
   *
   * Or, alternatively,
   *
   *  b) Permission is hereby granted, free of charge, to any person
   *     obtaining a copy of this software and associated documentation
   *     files (the "Software"), to deal in the Software without
   *     restriction, including without limitation the rights to use,
   *     copy, modify, merge, publish, distribute, sublicense, and/or
   *     sell copies of the Software, and to permit persons to whom the
   *     Software is furnished to do so, subject to the following
   *     conditions:
   *
   *     The above copyright notice and this permission notice shall be
   *     included in all copies or substantial portions of the Software.
   *
   *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   *     OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #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>;
  		};
  	};
  };