1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Device Tree Source for OMAP4/5 SoC CPU thermal
4 *
5 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
6 * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
7 */
8
9 #include <dt-bindings/thermal/thermal.h>
10
11 cpu_thermal: cpu_thermal {
12 polling-delay-passive = <250>; /* milliseconds */
13 polling-delay = <1000>; /* milliseconds */
14
15 /*
16 * See 44xx files for single sensor addressing, omap5 and dra7 need
17 * also sensor ID for addressing.
18 */
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 };
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