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[u-boot] / arch / arm / dts / omap4-cpu-thermal.dtsi
1 /*
2  * Device Tree Source for OMAP4/5 SoC CPU thermal
3  *
4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5  * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
6  *
7  * This file is licensed under the terms of the GNU General Public License
8  * version 2.  This program is licensed "as is" without any warranty of any
9  * kind, whether express or implied.
10  */
11
12 #include <dt-bindings/thermal/thermal.h>
13
14 cpu_thermal: cpu_thermal {
15         polling-delay-passive = <250>; /* milliseconds */
16         polling-delay = <1000>; /* milliseconds */
17
18                         /* sensor       ID */
19         thermal-sensors = <&bandgap     0>;
20
21         cpu_trips: trips {
22                 cpu_alert0: cpu_alert {
23                         temperature = <100000>; /* millicelsius */
24                         hysteresis = <2000>; /* millicelsius */
25                         type = "passive";
26                 };
27                 cpu_crit: cpu_crit {
28                         temperature = <125000>; /* millicelsius */
29                         hysteresis = <2000>; /* millicelsius */
30                         type = "critical";
31                 };
32         };
33
34         cpu_cooling_maps: cooling-maps {
35                 map0 {
36                         trip = <&cpu_alert0>;
37                         cooling-device =
38                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
39                 };
40         };
41 };