1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/thermal/st,stm32-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: STMicroelectronics STM32 digital thermal sensor (DTS)
8
9 maintainers:
10 - Pascal Paillet <p.paillet@foss.st.com>
11
12 $ref: thermal-sensor.yaml#
13
14 properties:
15 compatible:
16 const: st,stm32-thermal
17
18 reg:
19 maxItems: 1
20
21 interrupts:
22 maxItems: 1
23
24 clocks:
25 maxItems: 1
26
27 clock-names:
28 items:
29 - const: pclk
30
31 "#thermal-sensor-cells":
32 const: 0
33
34 required:
35 - compatible
36 - reg
37 - interrupts
38 - clocks
39 - clock-names
40
41 unevaluatedProperties: false
42
43 examples:
44 - |
45 #include <dt-bindings/interrupt-controller/arm-gic.h>
46 #include <dt-bindings/clock/stm32mp1-clks.h>
47 dts: thermal@50028000 {
48 compatible = "st,stm32-thermal";
49 reg = <0x50028000 0x100>;
50 clocks = <&rcc TMPSENS>;
51 clock-names = "pclk";
52 #thermal-sensor-cells = <0>;
53 interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
54 };
55
56 thermal-zones {
57 cpu_thermal: cpu-thermal {
58 polling-delay-passive = <0>;
59 polling-delay = <0>;
60
61 thermal-sensors = <&dts>;
62 trips {
63 cpu_alert1: cpu-alert1 {
64 temperature = <85000>;
65 hysteresis = <0>;
66 type = "passive";
67 };
68
69 cpu_crit: cpu-crit {
70 temperature = <120000>;
71 hysteresis = <0>;
72 type = "critical";
73 };
74 };
75
76 cooling-maps {
77 };
78 };
79 };
80 ...
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