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