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# 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-l12";
reg = <0>; /* CS0 */
spi-max-frequency = <1000000>;
vref-supply = <&vref>;
};
};
...
|
