xref: /linux/Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml (revision daa2be74b1b2302004945b2a5e32424e177cc7da) 
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
7title: STMicroelectronics STM32 digital thermal sensor (DTS)
8
9maintainers:
10  - Pascal Paillet <p.paillet@foss.st.com>
11
12$ref: thermal-sensor.yaml#
13
14properties:
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
34required:
35  - compatible
36  - reg
37  - interrupts
38  - clocks
39  - clock-names
40
41unevaluatedProperties: false
42
43examples:
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...
81