xref: /linux/arch/arm/boot/dts/ti/omap/omap4-cpu-thermal.dtsi (revision 0ea5c948cb64bab5bc7a5516774eb8536f05aa0d)
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
11cpu_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};
42