# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/iio/dac/maxim,ds4424.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Maxim Integrated DS4402/DS4404 and DS4422/DS4424 Current DACs maintainers: - Ismail Kose description: | Datasheets publicly available at: https://datasheets.maximintegrated.com/en/ds/DS4402-DS4404.pdf https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf properties: compatible: enum: - maxim,ds4402 - maxim,ds4404 - maxim,ds4422 - maxim,ds4424 reg: maxItems: 1 vcc-supply: true maxim,rfs-ohms: description: | Array of resistance values in Ohms for the external Rfs resistors connected to the FS pins. These values determine the full-scale output current. The actual resistance depends on the chip variant and specific hardware design requirements. minItems: 2 maxItems: 4 required: - compatible - reg - maxim,rfs-ohms allOf: - if: properties: compatible: contains: enum: - maxim,ds4402 - maxim,ds4422 then: properties: maxim,rfs-ohms: maxItems: 2 - if: properties: compatible: contains: enum: - maxim,ds4404 - maxim,ds4424 then: properties: maxim,rfs-ohms: minItems: 4 additionalProperties: false examples: - | i2c { #address-cells = <1>; #size-cells = <0>; dac@10 { compatible = "maxim,ds4424"; reg = <0x10>; /* When A0, A1 pins are ground */ vcc-supply = <&vcc_3v3>; maxim,rfs-ohms = <40000>, <40000>, <40000>, <40000>; }; }; ...