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|
# 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";
};
};
};
|
