# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause %YAML 1.2 --- $id: "http://devicetree.org/schemas/iio/dac/lltc,ltc2632.yaml#" $schema: "http://devicetree.org/meta-schemas/core.yaml#" title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC maintainers: - Michael Hennerich <michael.hennerich@analog.com> description: | Bindings for the Linear Technology LTC2632/2634/2636 DAC Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf properties: compatible: enum: - lltc,ltc2632-l12 - lltc,ltc2632-l10 - lltc,ltc2632-l8 - lltc,ltc2632-h12 - lltc,ltc2632-h10 - lltc,ltc2632-h8 - lltc,ltc2634-l12 - lltc,ltc2634-l10 - lltc,ltc2634-l8 - lltc,ltc2634-h12 - lltc,ltc2634-h10 - lltc,ltc2634-h8 - lltc,ltc2636-l12 - lltc,ltc2636-l10 - lltc,ltc2636-l8 - lltc,ltc2636-h12 - lltc,ltc2636-h10 - lltc,ltc2636-h8 reg: maxItems: 1 spi-max-frequency: maximum: 2000000 vref-supply: description: Phandle to the external reference voltage supply. This should only be set if there is an external reference voltage connected to the VREF pin. If the property is not set the internal reference is used. required: - compatible - reg additionalProperties: false examples: - | vref: regulator-vref { compatible = "regulator-fixed"; regulator-name = "vref-ltc2632"; regulator-min-microvolt = <1250000>; regulator-max-microvolt = <1250000>; regulator-always-on; }; spi { #address-cells = <1>; #size-cells = <0>; dac@0 { compatible = "lltc,ltc2632"; reg = <0>; /* CS0 */ spi-max-frequency = <1000000>; vref-supply = <&vref>; }; }; ...