1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/thermal/imx 4 $id: http://devicetree.org/schemas/thermal/imx-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NXP i.MX Thermal !! 7 title: NXP i.MX Thermal Binding
8 8
9 maintainers: 9 maintainers:
10 - Shawn Guo <shawnguo@kernel.org> 10 - Shawn Guo <shawnguo@kernel.org>
>> 11 - Anson Huang <Anson.Huang@nxp.com>
11 12
12 properties: 13 properties:
13 compatible: 14 compatible:
14 oneOf: !! 15 enum:
15 - enum: !! 16 - fsl,imx6q-tempmon
16 - fsl,imx6q-tempmon !! 17 - fsl,imx6sx-tempmon
17 - fsl,imx6sx-tempmon !! 18 - fsl,imx7d-tempmon
18 - fsl,imx7d-tempmon <<
19 - items: <<
20 - enum: <<
21 - fsl,imx6sll-tempmon <<
22 - fsl,imx6ul-tempmon <<
23 - const: fsl,imx6sx-tempmon <<
24 19
25 interrupts: 20 interrupts:
26 description: | 21 description: |
27 The interrupt output of the controller, 22 The interrupt output of the controller, i.MX6Q has IRQ_HIGH which
28 will be triggered when temperature is hi 23 will be triggered when temperature is higher than high threshold,
29 i.MX6SX and i.MX7S/D have two more IRQs 24 i.MX6SX and i.MX7S/D have two more IRQs than i.MX6Q, one is IRQ_LOW
30 and the other is IRQ_PANIC, when tempera 25 and the other is IRQ_PANIC, when temperature is lower than low
31 threshold, IRQ_LOW will be triggered, wh 26 threshold, IRQ_LOW will be triggered, when temperature is higher
32 than panic threshold, IRQ_PANIC will be 27 than panic threshold, IRQ_PANIC will be triggered, and system can
33 be configured to auto reboot by SRC modu 28 be configured to auto reboot by SRC module for IRQ_PANIC. IRQ_HIGH,
34 IRQ_LOW and IRQ_PANIC share same interru 29 IRQ_LOW and IRQ_PANIC share same interrupt output of controller.
35 maxItems: 1 30 maxItems: 1
36 31
37 nvmem-cells: 32 nvmem-cells:
38 items: 33 items:
39 - description: Phandle to the calibratio 34 - description: Phandle to the calibration data provided by ocotp
40 - description: Phandle to the temperatur 35 - description: Phandle to the temperature grade provided by ocotp
41 36
42 nvmem-cell-names: 37 nvmem-cell-names:
43 items: 38 items:
44 - const: calib 39 - const: calib
45 - const: temp_grade 40 - const: temp_grade
46 41
47 fsl,tempmon: 42 fsl,tempmon:
48 $ref: /schemas/types.yaml#/definitions/pha !! 43 $ref: '/schemas/types.yaml#/definitions/phandle'
49 description: Phandle to anatop system cont 44 description: Phandle to anatop system controller node.
50 45
51 fsl,tempmon-data: 46 fsl,tempmon-data:
52 $ref: /schemas/types.yaml#/definitions/pha !! 47 $ref: '/schemas/types.yaml#/definitions/phandle'
53 description: | 48 description: |
54 Deprecated property, phandle pointer to 49 Deprecated property, phandle pointer to fuse controller that contains
55 TEMPMON calibration data, e.g. OCOTP on 50 TEMPMON calibration data, e.g. OCOTP on imx6q. The details about
56 calibration data can be found in SoC Ref 51 calibration data can be found in SoC Reference Manual.
57 deprecated: true 52 deprecated: true
58 53
59 clocks: 54 clocks:
60 maxItems: 1 55 maxItems: 1
61 56
62 "#thermal-sensor-cells": <<
63 const: 0 <<
64 <<
65 required: 57 required:
66 - compatible 58 - compatible
67 - interrupts 59 - interrupts
68 - fsl,tempmon 60 - fsl,tempmon
69 - nvmem-cells 61 - nvmem-cells
70 - nvmem-cell-names 62 - nvmem-cell-names
71 63
72 allOf: <<
73 - $ref: thermal-sensor.yaml# <<
74 <<
75 additionalProperties: false 64 additionalProperties: false
76 65
77 examples: 66 examples:
78 - | 67 - |
79 #include <dt-bindings/clock/imx6sx-clock.h 68 #include <dt-bindings/clock/imx6sx-clock.h>
80 #include <dt-bindings/interrupt-controller 69 #include <dt-bindings/interrupt-controller/arm-gic.h>
81 70
82 efuse@21bc000 { 71 efuse@21bc000 {
83 #address-cells = <1>; 72 #address-cells = <1>;
84 #size-cells = <1>; 73 #size-cells = <1>;
85 compatible = "fsl,imx6sx-ocotp", "sys 74 compatible = "fsl,imx6sx-ocotp", "syscon";
86 reg = <0x021bc000 0x4000>; 75 reg = <0x021bc000 0x4000>;
87 clocks = <&clks IMX6SX_CLK_OCOTP>; 76 clocks = <&clks IMX6SX_CLK_OCOTP>;
88 77
89 tempmon_calib: calib@38 { 78 tempmon_calib: calib@38 {
90 reg = <0x38 4>; 79 reg = <0x38 4>;
91 }; 80 };
92 81
93 tempmon_temp_grade: temp-grade@20 { 82 tempmon_temp_grade: temp-grade@20 {
94 reg = <0x20 4>; 83 reg = <0x20 4>;
95 }; 84 };
96 }; 85 };
97 86
98 anatop@20c8000 { 87 anatop@20c8000 {
99 compatible = "fsl,imx6q-anatop", "sysc 88 compatible = "fsl,imx6q-anatop", "syscon", "simple-mfd";
100 reg = <0x020c8000 0x1000>; 89 reg = <0x020c8000 0x1000>;
101 interrupts = <0 49 IRQ_TYPE_LEVEL_HIGH 90 interrupts = <0 49 IRQ_TYPE_LEVEL_HIGH>,
102 <0 54 IRQ_TYPE_LEVEL_HIGH 91 <0 54 IRQ_TYPE_LEVEL_HIGH>,
103 <0 127 IRQ_TYPE_LEVEL_HIG 92 <0 127 IRQ_TYPE_LEVEL_HIGH>;
104 93
105 tempmon { 94 tempmon {
106 compatible = "fsl,imx6sx-tempmon" 95 compatible = "fsl,imx6sx-tempmon";
107 interrupts = <GIC_SPI 49 IRQ_TYPE 96 interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
108 fsl,tempmon = <&anatop>; 97 fsl,tempmon = <&anatop>;
109 nvmem-cells = <&tempmon_calib>, < 98 nvmem-cells = <&tempmon_calib>, <&tempmon_temp_grade>;
110 nvmem-cell-names = "calib", "temp 99 nvmem-cell-names = "calib", "temp_grade";
111 clocks = <&clks IMX6SX_CLK_PLL3_U 100 clocks = <&clks IMX6SX_CLK_PLL3_USB_OTG>;
112 #thermal-sensor-cells = <0>; <<
113 }; 101 };
114 }; 102 };
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