1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/thermal/imx
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: NXP i.MX Thermal
8
9 maintainers:
10 - Shawn Guo <shawnguo@kernel.org>
11
12 properties:
13 compatible:
14 oneOf:
15 - enum:
16 - fsl,imx6q-tempmon
17 - fsl,imx6sx-tempmon
18 - fsl,imx7d-tempmon
19 - items:
20 - enum:
21 - fsl,imx6sll-tempmon
22 - fsl,imx6ul-tempmon
23 - const: fsl,imx6sx-tempmon
24
25 interrupts:
26 description: |
27 The interrupt output of the controller,
28 will be triggered when temperature is hi
29 i.MX6SX and i.MX7S/D have two more IRQs
30 and the other is IRQ_PANIC, when tempera
31 threshold, IRQ_LOW will be triggered, wh
32 than panic threshold, IRQ_PANIC will be
33 be configured to auto reboot by SRC modu
34 IRQ_LOW and IRQ_PANIC share same interru
35 maxItems: 1
36
37 nvmem-cells:
38 items:
39 - description: Phandle to the calibratio
40 - description: Phandle to the temperatur
41
42 nvmem-cell-names:
43 items:
44 - const: calib
45 - const: temp_grade
46
47 fsl,tempmon:
48 $ref: /schemas/types.yaml#/definitions/pha
49 description: Phandle to anatop system cont
50
51 fsl,tempmon-data:
52 $ref: /schemas/types.yaml#/definitions/pha
53 description: |
54 Deprecated property, phandle pointer to
55 TEMPMON calibration data, e.g. OCOTP on
56 calibration data can be found in SoC Ref
57 deprecated: true
58
59 clocks:
60 maxItems: 1
61
62 "#thermal-sensor-cells":
63 const: 0
64
65 required:
66 - compatible
67 - interrupts
68 - fsl,tempmon
69 - nvmem-cells
70 - nvmem-cell-names
71
72 allOf:
73 - $ref: thermal-sensor.yaml#
74
75 additionalProperties: false
76
77 examples:
78 - |
79 #include <dt-bindings/clock/imx6sx-clock.h
80 #include <dt-bindings/interrupt-controller
81
82 efuse@21bc000 {
83 #address-cells = <1>;
84 #size-cells = <1>;
85 compatible = "fsl,imx6sx-ocotp", "sys
86 reg = <0x021bc000 0x4000>;
87 clocks = <&clks IMX6SX_CLK_OCOTP>;
88
89 tempmon_calib: calib@38 {
90 reg = <0x38 4>;
91 };
92
93 tempmon_temp_grade: temp-grade@20 {
94 reg = <0x20 4>;
95 };
96 };
97
98 anatop@20c8000 {
99 compatible = "fsl,imx6q-anatop", "sysc
100 reg = <0x020c8000 0x1000>;
101 interrupts = <0 49 IRQ_TYPE_LEVEL_HIGH
102 <0 54 IRQ_TYPE_LEVEL_HIGH
103 <0 127 IRQ_TYPE_LEVEL_HIG
104
105 tempmon {
106 compatible = "fsl,imx6sx-tempmon"
107 interrupts = <GIC_SPI 49 IRQ_TYPE
108 fsl,tempmon = <&anatop>;
109 nvmem-cells = <&tempmon_calib>, <
110 nvmem-cell-names = "calib", "temp
111 clocks = <&clks IMX6SX_CLK_PLL3_U
112 #thermal-sensor-cells = <0>;
113 };
114 };
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