| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/hwmon/ti,tmp421.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: TMP42x/TMP44x temperature sensor |
| 8 | |
| 9 | maintainers: |
| 10 | - Guenter Roeck <linux@roeck-us.net> |
| 11 | |
| 12 | description: | |
| 13 | ±1°C Remote and Local temperature sensor |
| 14 | https://www.ti.com/lit/ds/symlink/tmp422.pdf |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | enum: |
| 19 | - ti,tmp421 |
| 20 | - ti,tmp422 |
| 21 | - ti,tmp423 |
| 22 | - ti,tmp441 |
| 23 | - ti,tmp442 |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | '#address-cells': |
| 28 | const: 1 |
| 29 | |
| 30 | '#size-cells': |
| 31 | const: 0 |
| 32 | |
| 33 | required: |
| 34 | - compatible |
| 35 | - reg |
| 36 | |
| 37 | additionalProperties: false |
| 38 | |
| 39 | patternProperties: |
| 40 | "^channel@([0-3])$": |
| 41 | type: object |
| 42 | description: | |
| 43 | Represents channels of the device and their specific configuration. |
| 44 | |
| 45 | properties: |
| 46 | reg: |
| 47 | description: | |
| 48 | The channel number. 0 is local channel, 1-3 are remote channels |
| 49 | items: |
| 50 | minimum: 0 |
| 51 | maximum: 3 |
| 52 | |
| 53 | label: |
| 54 | description: | |
| 55 | A descriptive name for this channel, like "ambient" or "psu". |
| 56 | |
| 57 | ti,n-factor: |
| 58 | description: | |
| 59 | The value (two's complement) to be programmed in the channel specific N correction register. |
| 60 | For remote channels only. |
| 61 | $ref: /schemas/types.yaml#/definitions/int32 |
| 62 | minimum: -128 |
| 63 | maximum: 127 |
| 64 | |
| 65 | required: |
| 66 | - reg |
| 67 | |
| 68 | additionalProperties: false |
| 69 | |
| 70 | examples: |
| 71 | - | |
| 72 | i2c { |
| 73 | #address-cells = <1>; |
| 74 | #size-cells = <0>; |
| 75 | |
| 76 | sensor@4c { |
| 77 | compatible = "ti,tmp422"; |
| 78 | reg = <0x4c>; |
| 79 | }; |
| 80 | }; |
| 81 | - | |
| 82 | i2c { |
| 83 | #address-cells = <1>; |
| 84 | #size-cells = <0>; |
| 85 | |
| 86 | sensor@4c { |
| 87 | compatible = "ti,tmp422"; |
| 88 | reg = <0x4c>; |
| 89 | #address-cells = <1>; |
| 90 | #size-cells = <0>; |
| 91 | |
| 92 | channel@0 { |
| 93 | reg = <0x0>; |
| 94 | ti,n-factor = <0x1>; |
| 95 | label = "local"; |
| 96 | }; |
| 97 | |
| 98 | channel@1 { |
| 99 | reg = <0x1>; |
| 100 | ti,n-factor = <0x0>; |
| 101 | label = "somelabel"; |
| 102 | }; |
| 103 | |
| 104 | channel@2 { |
| 105 | reg = <0x2>; |
| 106 | status = "disabled"; |
| 107 | }; |
| 108 | }; |
| 109 | }; |