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110 lines
2.1 KiB
110 lines
2.1 KiB
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/hwmon/ti,tmp421.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: TMP42x/TMP44x temperature sensor |
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maintainers: |
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- Guenter Roeck <[email protected]> |
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description: | |
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±1°C Remote and Local temperature sensor |
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https://www.ti.com/lit/ds/symlink/tmp422.pdf |
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properties: |
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compatible: |
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enum: |
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- ti,tmp421 |
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- ti,tmp422 |
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- ti,tmp423 |
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- ti,tmp441 |
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- ti,tmp442 |
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reg: |
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maxItems: 1 |
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'#address-cells': |
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const: 1 |
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'#size-cells': |
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const: 0 |
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required: |
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- compatible |
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- reg |
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additionalProperties: false |
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patternProperties: |
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"^channel@([0-3])$": |
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type: object |
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description: | |
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Represents channels of the device and their specific configuration. |
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properties: |
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reg: |
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description: | |
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The channel number. 0 is local channel, 1-3 are remote channels |
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items: |
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minimum: 0 |
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maximum: 3 |
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label: |
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description: | |
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A descriptive name for this channel, like "ambient" or "psu". |
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ti,n-factor: |
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description: | |
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The value (two's complement) to be programmed in the channel specific N correction register. |
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For remote channels only. |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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items: |
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minimum: 0 |
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maximum: 255 |
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required: |
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- reg |
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additionalProperties: false |
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examples: |
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- | |
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i2c { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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sensor@4c { |
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compatible = "ti,tmp422"; |
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reg = <0x4c>; |
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}; |
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}; |
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- | |
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i2c { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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sensor@4c { |
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compatible = "ti,tmp422"; |
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reg = <0x4c>; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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channel@0 { |
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reg = <0x0>; |
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ti,n-factor = <0x1>; |
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label = "local"; |
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}; |
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channel@1 { |
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reg = <0x1>; |
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ti,n-factor = <0x0>; |
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label = "somelabel"; |
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}; |
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channel@2 { |
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reg = <0x2>; |
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status = "disabled"; |
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}; |
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}; |
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};
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