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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/adi,ad7380.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices Simultaneous Sampling Analog to Digital Converters
maintainers:
- Michael Hennerich <Michael.Hennerich@analog.com>
- Nuno Sá <nuno.sa@analog.com>
description: |
* https://www.analog.com/en/products/ad7380.html
* https://www.analog.com/en/products/ad7381.html
* https://www.analog.com/en/products/ad7383.html
* https://www.analog.com/en/products/ad7384.html
* https://www.analog.com/en/products/ad7386.html
* https://www.analog.com/en/products/ad7387.html
* https://www.analog.com/en/products/ad7388.html
* https://www.analog.com/en/products/ad7380-4.html
* https://www.analog.com/en/products/ad7381-4.html
* https://www.analog.com/en/products/ad7383-4.html
* https://www.analog.com/en/products/ad7384-4.html
* https://www.analog.com/en/products/ad7386-4.html
* https://www.analog.com/en/products/ad7387-4.html
* https://www.analog.com/en/products/ad7388-4.html
$ref: /schemas/spi/spi-peripheral-props.yaml#
properties:
compatible:
enum:
- adi,ad7380
- adi,ad7381
- adi,ad7383
- adi,ad7384
- adi,ad7386
- adi,ad7387
- adi,ad7388
- adi,ad7380-4
- adi,ad7381-4
- adi,ad7383-4
- adi,ad7384-4
- adi,ad7386-4
- adi,ad7387-4
- adi,ad7388-4
reg:
maxItems: 1
spi-max-frequency:
maximum: 80000000
spi-cpol: true
spi-cpha: true
vcc-supply:
description: A 3V to 3.6V supply that powers the chip.
vlogic-supply:
description:
A 1.65V to 3.6V supply for the logic pins.
refio-supply:
description:
A 2.5V to 3.3V supply for the external reference voltage. When omitted,
the internal 2.5V reference is used.
refin-supply:
description:
A 2.5V to 3.3V supply for external reference voltage, for ad7380-4 only.
aina-supply:
description:
The common mode voltage supply for the AINA- pin on pseudo-differential
chips.
ainb-supply:
description:
The common mode voltage supply for the AINB- pin on pseudo-differential
chips.
ainc-supply:
description:
The common mode voltage supply for the AINC- pin on pseudo-differential
chips.
aind-supply:
description:
The common mode voltage supply for the AIND- pin on pseudo-differential
chips.
interrupts:
description:
When the device is using 1-wire mode, this property is used to optionally
specify the ALERT interrupt.
maxItems: 1
required:
- compatible
- reg
- vcc-supply
- vlogic-supply
unevaluatedProperties: false
allOf:
# pseudo-differential chips require common mode voltage supplies,
# true differential chips don't use them
- if:
properties:
compatible:
enum:
- adi,ad7383
- adi,ad7384
- adi,ad7383-4
- adi,ad7384-4
then:
required:
- aina-supply
- ainb-supply
else:
properties:
aina-supply: false
ainb-supply: false
- if:
properties:
compatible:
enum:
- adi,ad7383-4
- adi,ad7384-4
then:
required:
- ainc-supply
- aind-supply
else:
properties:
ainc-supply: false
aind-supply: false
# ad7380-4 uses refin-supply as external reference.
# All other chips from ad738x family use refio as optional external reference.
# When refio-supply is omitted, internal reference is used.
- if:
properties:
compatible:
enum:
- adi,ad7380-4
then:
properties:
refio-supply: false
required:
- refin-supply
else:
properties:
refin-supply: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
compatible = "adi,ad7380";
reg = <0>;
spi-cpol;
spi-cpha;
spi-max-frequency = <80000000>;
interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
interrupt-parent = <&gpio0>;
vcc-supply = <&supply_3_3V>;
vlogic-supply = <&supply_3_3V>;
refio-supply = <&supply_2_5V>;
};
};
|
