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Date: Mon, 24 Nov 2014 12:59:00 +0800 From: Caesar Wang <caesar.wang@...k-chips.com> To: heiko@...ech.de, rui.zhang@...el.com, edubezval@...il.com Cc: zyf@...k-chips.com, dianders@...omium.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-doc@...r.kernel.org, cf@...k-chips.com, dmitry.torokhov@...il.com, huangtao@...k-chips.com, fzf@...k-chips.com, caesar.wang@...k-chips.com Subject: [PATCH v19 3/5] ARM: dts: 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: Caesar Wang <caesar.wang@...k-chips.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@...il.com> --- arch/arm/boot/dts/rk3288-thermal.dtsi | 78 +++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 arch/arm/boot/dts/rk3288-thermal.dtsi diff --git a/arch/arm/boot/dts/rk3288-thermal.dtsi b/arch/arm/boot/dts/rk3288-thermal.dtsi new file mode 100644 index 0000000..a8a5ea7 --- /dev/null +++ b/arch/arm/boot/dts/rk3288-thermal.dtsi @@ -0,0 +1,78 @@ +/* + * 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 */ + + /* sensor ID */ + thermal-sensors = <&tsadc 0>; + +}; + +cpu_thermal: cpu_thermal { + polling-delay-passive = <1000>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + /* sensor ID */ + 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 */ + + /* sensor ID */ + 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>; + }; + }; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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