# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) | |
%YAML 1.2 | |
--- | |
$id: http://devicetree.org/schemas/hwmon/ti,tmp421.yaml# | |
$schema: http://devicetree.org/meta-schemas/core.yaml# | |
title: TMP42x/TMP44x temperature sensor | |
maintainers: | |
- Guenter Roeck <linux@roeck-us.net> | |
description: | | |
±1°C Remote and Local temperature sensor | |
https://www.ti.com/lit/ds/symlink/tmp422.pdf | |
properties: | |
compatible: | |
enum: | |
- ti,tmp421 | |
- ti,tmp422 | |
- ti,tmp423 | |
- ti,tmp441 | |
- ti,tmp442 | |
reg: | |
maxItems: 1 | |
'#address-cells': | |
const: 1 | |
'#size-cells': | |
const: 0 | |
required: | |
- compatible | |
- reg | |
additionalProperties: false | |
patternProperties: | |
"^channel@([0-3])$": | |
type: object | |
description: | | |
Represents channels of the device and their specific configuration. | |
properties: | |
reg: | |
description: | | |
The channel number. 0 is local channel, 1-3 are remote channels | |
items: | |
minimum: 0 | |
maximum: 3 | |
label: | |
description: | | |
A descriptive name for this channel, like "ambient" or "psu". | |
ti,n-factor: | |
description: | | |
The value (two's complement) to be programmed in the channel specific N correction register. | |
For remote channels only. | |
$ref: /schemas/types.yaml#/definitions/int32 | |
minimum: -128 | |
maximum: 127 | |
required: | |
- reg | |
additionalProperties: false | |
examples: | |
- | | |
i2c { | |
#address-cells = <1>; | |
#size-cells = <0>; | |
sensor@4c { | |
compatible = "ti,tmp422"; | |
reg = <0x4c>; | |
}; | |
}; | |
- | | |
i2c { | |
#address-cells = <1>; | |
#size-cells = <0>; | |
sensor@4c { | |
compatible = "ti,tmp422"; | |
reg = <0x4c>; | |
#address-cells = <1>; | |
#size-cells = <0>; | |
channel@0 { | |
reg = <0x0>; | |
ti,n-factor = <0x1>; | |
label = "local"; | |
}; | |
channel@1 { | |
reg = <0x1>; | |
ti,n-factor = <0x0>; | |
label = "somelabel"; | |
}; | |
channel@2 { | |
reg = <0x2>; | |
status = "disabled"; | |
}; | |
}; | |
}; |