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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad5791.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD5791 and similar DACs
maintainers:
- Michael Hennerich <michael.hennerich@analog.com>
- Jonathan Cameron <jic23@kernel.org>
properties:
compatible:
enum:
- adi,ad5760
- adi,ad5780
- adi,ad5781
- adi,ad5790
- adi,ad5791
reg:
maxItems: 1
vdd-supply: true
vss-supply: true
vcc-supply:
description:
Supply that powers the chip.
iovcc-supply:
description:
Supply for the digital interface.
vrefp-supply:
description:
Positive referance input voltage range. From 5v to (vdd - 2.5)
vrefn-supply:
description:
Negative referance input voltage range. From (vss + 2.5) to 0.
adi,rbuf-gain2-en:
description: Specify to allow an external amplifier to be connected in a
gain of two configuration.
type: boolean
reset-gpios:
maxItems: 1
clear-gpios:
maxItems: 1
ldac-gpios:
description:
LDAC pin to be used as a hardware trigger to update the DAC channels.
maxItems: 1
required:
- compatible
- reg
- vdd-supply
- vss-supply
- vcc-supply
- iovcc-supply
- vrefp-supply
- vrefn-supply
allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
dac@0 {
compatible = "adi,ad5791";
reg = <0>;
vss-supply = <&dac_vss>;
vdd-supply = <&dac_vdd>;
vcc-supply = <&dac_vcc>;
iovcc-supply = <&dac_iovcc>;
vrefp-supply = <&dac_vrefp>;
vrefn-supply = <&dac_vrefn>;
reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>;
clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>;
ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_LOW>;
};
};
...
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