xref: /linux/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml (revision 57fa7d668770780932acf83c2dcf4e15741efd1a) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/thermal/imx8mm-thermal.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NXP i.MX8M Mini Thermal
8
9maintainers:
10  - Anson Huang <Anson.Huang@nxp.com>
11
12description: |
13  i.MX8MM has TMU IP to allow temperature measurement, there are
14  currently two distinct major versions of the IP that is supported
15  by a single driver. The IP versions are named v1 and v2, v1 is
16  for i.MX8MM which has ONLY 1 sensor, v2 is for i.MX8MP which has
17  2 sensors.
18
19$ref: thermal-sensor.yaml#
20
21properties:
22  compatible:
23    oneOf:
24      - enum:
25          - fsl,imx8mm-tmu
26          - fsl,imx8mp-tmu
27      - items:
28          - const: fsl,imx8mn-tmu
29          - const: fsl,imx8mm-tmu
30
31  reg:
32    maxItems: 1
33
34  clocks:
35    maxItems: 1
36
37  nvmem-cells:
38    maxItems: 1
39    description: Phandle to the calibration data provided by ocotp
40
41  nvmem-cell-names:
42    const: calib
43
44  "#thermal-sensor-cells":
45    description: |
46      Number of cells required to uniquely identify the thermal
47      sensors, 0 for ONLY one sensor and 1 for multiple sensors.
48    enum:
49      - 0
50      - 1
51
52required:
53  - compatible
54  - reg
55  - clocks
56
57unevaluatedProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/clock/imx8mm-clock.h>
62
63    thermal-sensor@30260000 {
64         compatible = "fsl,imx8mm-tmu";
65         reg = <0x30260000 0x10000>;
66         clocks = <&clk IMX8MM_CLK_TMU_ROOT>;
67         #thermal-sensor-cells = <0>;
68    };
69
70...
71