84 lines
1.8 KiB
YAML
84 lines
1.8 KiB
YAML
# 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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$id: http://devicetree.org/schemas/iio/dac/maxim,ds4424.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim Integrated DS4402/DS4404 and DS4422/DS4424 Current DACs
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maintainers:
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- Ismail Kose <ihkose@gmail.com>
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description: |
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Datasheets publicly available at:
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https://datasheets.maximintegrated.com/en/ds/DS4402-DS4404.pdf
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https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
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properties:
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compatible:
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enum:
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- maxim,ds4402
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- maxim,ds4404
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- maxim,ds4422
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- maxim,ds4424
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reg:
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maxItems: 1
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vcc-supply: true
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maxim,rfs-ohms:
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description: |
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Array of resistance values in Ohms for the external Rfs resistors
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connected to the FS pins. These values determine the full-scale
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output current. The actual resistance depends on the chip variant
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and specific hardware design requirements.
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minItems: 2
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maxItems: 4
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required:
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- compatible
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- reg
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- maxim,rfs-ohms
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- maxim,ds4402
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- maxim,ds4422
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then:
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properties:
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maxim,rfs-ohms:
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maxItems: 2
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- if:
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properties:
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compatible:
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contains:
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enum:
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- maxim,ds4404
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- maxim,ds4424
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then:
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properties:
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maxim,rfs-ohms:
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minItems: 4
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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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dac@10 {
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compatible = "maxim,ds4424";
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reg = <0x10>; /* When A0, A1 pins are ground */
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vcc-supply = <&vcc_3v3>;
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maxim,rfs-ohms = <40000>, <40000>, <40000>, <40000>;
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};
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};
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...
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