On Thu, Nov 05, 2015 at 01:18:03PM +0800, Caesar Wang wrote: > This patchset add the thermal for RK3368 dts, > Since the two CPU clusters, with four CPU core for each cluster, > One cluster is optimized for high-performance(big cluster) and the othe > is optimized for low power(little cluster). > > This patch adds the second order for thermal throttle, and the critical > temperature for thermal over-tempeature protection on Software. > > Signed-off-by: Caesar Wang <wxt@xxxxxxxxxxxxxx> Acked-by: Eduardo Valentin <edubezval@xxxxxxxxx> > --- > > Changes in v2: None > Changes in v1: None > > arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi | 112 +++++++++++++++++++++++ > 1 file changed, 112 insertions(+) > create mode 100644 arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi > > diff --git a/arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi > new file mode 100644 > index 0000000..a10010f > --- /dev/null > +++ b/arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi > @@ -0,0 +1,112 @@ > +/* > + * Device Tree Source for RK3368 SoC thermal > + * > + * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd > + * Caesar Wang <wxt@xxxxxxxxxxxxxx> > + * > + * 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> > + > +cpu_thermal: cpu_thermal { > + polling-delay-passive = <100>; /* milliseconds */ > + polling-delay = <5000>; /* milliseconds */ > + > + thermal-sensors = <&tsadc 0>; > + > + trips { > + cpu_alert0: cpu_alert0 { > + temperature = <75000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "passive"; > + }; > + cpu_alert1: cpu_alert1 { > + temperature = <80000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "passive"; > + }; > + cpu_crit: cpu_crit { > + temperature = <95000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "critical"; > + }; > + }; > + > + cooling-maps { > + map0 { > + trip = <&cpu_alert0>; > + cooling-device = > + <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + map1 { > + trip = <&cpu_alert1>; > + cooling-device = > + <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > +}; > + > +gpu_thermal: gpu_thermal { > + polling-delay-passive = <100>; /* milliseconds */ > + polling-delay = <5000>; /* milliseconds */ > + > + thermal-sensors = <&tsadc 1>; > + > + trips { > + gpu_alert0: gpu_alert0 { > + temperature = <80000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "passive"; > + }; > + gpu_crit: gpu_crit { > + temperature = <1150000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "critical"; > + }; > + }; > + > + cooling-maps { > + map0 { > + trip = <&gpu_alert0>; > + cooling-device = > + <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > +}; > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html