xref: /freebsd/sys/contrib/device-tree/Bindings/thermal/brcm,ns-thermal.yaml (revision 2eb4d8dc723da3cf7d735a3226ae49da4c8c5dbc)
1*2eb4d8dcSEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2*2eb4d8dcSEmmanuel Vadot%YAML 1.2
3*2eb4d8dcSEmmanuel Vadot---
4*2eb4d8dcSEmmanuel Vadot$id: http://devicetree.org/schemas/thermal/brcm,ns-thermal.yaml#
5*2eb4d8dcSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6*2eb4d8dcSEmmanuel Vadot
7*2eb4d8dcSEmmanuel Vadottitle: Broadcom Northstar Thermal
8*2eb4d8dcSEmmanuel Vadot
9*2eb4d8dcSEmmanuel Vadotmaintainers:
10*2eb4d8dcSEmmanuel Vadot  - Rafał Miłecki <rafal@milecki.pl>
11*2eb4d8dcSEmmanuel Vadot
12*2eb4d8dcSEmmanuel Vadotdescription:
13*2eb4d8dcSEmmanuel Vadot  Thermal sensor that is part of Northstar's DMU (Device Management Unit).
14*2eb4d8dcSEmmanuel Vadot
15*2eb4d8dcSEmmanuel VadotallOf:
16*2eb4d8dcSEmmanuel Vadot  - $ref: thermal-sensor.yaml#
17*2eb4d8dcSEmmanuel Vadot
18*2eb4d8dcSEmmanuel Vadotproperties:
19*2eb4d8dcSEmmanuel Vadot  compatible:
20*2eb4d8dcSEmmanuel Vadot    const: brcm,ns-thermal
21*2eb4d8dcSEmmanuel Vadot
22*2eb4d8dcSEmmanuel Vadot  reg:
23*2eb4d8dcSEmmanuel Vadot    description: PVTMON registers range
24*2eb4d8dcSEmmanuel Vadot    maxItems: 1
25*2eb4d8dcSEmmanuel Vadot
26*2eb4d8dcSEmmanuel Vadot  "#thermal-sensor-cells":
27*2eb4d8dcSEmmanuel Vadot    const: 0
28*2eb4d8dcSEmmanuel Vadot
29*2eb4d8dcSEmmanuel VadotunevaluatedProperties: false
30*2eb4d8dcSEmmanuel Vadot
31*2eb4d8dcSEmmanuel Vadotrequired:
32*2eb4d8dcSEmmanuel Vadot  - reg
33*2eb4d8dcSEmmanuel Vadot
34*2eb4d8dcSEmmanuel Vadotexamples:
35*2eb4d8dcSEmmanuel Vadot  - |
36*2eb4d8dcSEmmanuel Vadot    thermal: thermal@1800c2c0 {
37*2eb4d8dcSEmmanuel Vadot        compatible = "brcm,ns-thermal";
38*2eb4d8dcSEmmanuel Vadot        reg = <0x1800c2c0 0x10>;
39*2eb4d8dcSEmmanuel Vadot        #thermal-sensor-cells = <0>;
40*2eb4d8dcSEmmanuel Vadot    };
41*2eb4d8dcSEmmanuel Vadot
42*2eb4d8dcSEmmanuel Vadot    thermal-zones {
43*2eb4d8dcSEmmanuel Vadot        cpu-thermal {
44*2eb4d8dcSEmmanuel Vadot            polling-delay-passive = <0>;
45*2eb4d8dcSEmmanuel Vadot            polling-delay = <1000>;
46*2eb4d8dcSEmmanuel Vadot            coefficients = <(-556) 418000>;
47*2eb4d8dcSEmmanuel Vadot            thermal-sensors = <&thermal>;
48*2eb4d8dcSEmmanuel Vadot
49*2eb4d8dcSEmmanuel Vadot            trips {
50*2eb4d8dcSEmmanuel Vadot                cpu-crit {
51*2eb4d8dcSEmmanuel Vadot                    temperature = <125000>;
52*2eb4d8dcSEmmanuel Vadot                    hysteresis = <0>;
53*2eb4d8dcSEmmanuel Vadot                    type = "critical";
54*2eb4d8dcSEmmanuel Vadot                };
55*2eb4d8dcSEmmanuel Vadot            };
56*2eb4d8dcSEmmanuel Vadot
57*2eb4d8dcSEmmanuel Vadot            cooling-maps {
58*2eb4d8dcSEmmanuel Vadot            };
59*2eb4d8dcSEmmanuel Vadot        };
60*2eb4d8dcSEmmanuel Vadot    };
61