diff options
Diffstat (limited to 'arch/arm/boot/dts/omap4-cpu-thermal.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/omap4-cpu-thermal.dtsi | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi new file mode 100644 index 000000000..4b3afe298 --- /dev/null +++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi @@ -0,0 +1,44 @@ +/* + * Device Tree Source for OMAP4/5 SoC CPU thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/ + * Contact: Eduardo Valentin <eduardo.valentin@ti.com> + * + * 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> + +cpu_thermal: cpu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* + * See 44xx files for single sensor addressing, omap5 and dra7 need + * also sensor ID for addressing. + */ + thermal-sensors = <&bandgap 0>; + + cpu_trips: trips { + cpu_alert0: cpu_alert { + temperature = <100000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <125000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cpu_cooling_maps: cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; |