diff options
Diffstat (limited to 'arch/arm/dts/rk3288-thermal.dtsi')
-rw-r--r-- | arch/arm/dts/rk3288-thermal.dtsi | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm/dts/rk3288-thermal.dtsi b/arch/arm/dts/rk3288-thermal.dtsi new file mode 100644 index 0000000000..59482c1c91 --- /dev/null +++ b/arch/arm/dts/rk3288-thermal.dtsi @@ -0,0 +1,88 @@ +/* + * Device Tree Source for RK3288 SoC thermal + * + * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#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 = <100>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&tsadc 1>; + linux,hwmon; + + trips { + cpu_alert0: cpu_alert0 { + temperature = <70000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_alert1: cpu_alert1 { + temperature = <75000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <100000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT 6>; + }; + map1 { + trip = <&cpu_alert1>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + +gpu_thermal: gpu_thermal { + polling-delay-passive = <100>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&tsadc 2>; + linux,hwmon; + + trips { + gpu_alert0: gpu_alert0 { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + gpu_crit: gpu_crit { + temperature = <100000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&gpu_alert0>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; |