51 lines
1.2 KiB
YAML
51 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/iio/amplifiers/adi,hmc425a.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: HMC425A 6-bit Digital Step Attenuator
|
|
|
|
maintainers:
|
|
- Michael Hennerich <michael.hennerich@analog.com>
|
|
|
|
description: |
|
|
Digital Step Attenuator IIO device with gpio interface.
|
|
HMC425A 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz
|
|
https://www.analog.com/media/en/technical-documentation/data-sheets/hmc425A.pdf
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- adi,hmc425a
|
|
|
|
vcc-supply: true
|
|
|
|
ctrl-gpios:
|
|
description:
|
|
Must contain an array of 6 GPIO specifiers, referring to the GPIO pins
|
|
connected to the control pins V1-V6.
|
|
minItems: 6
|
|
maxItems: 6
|
|
|
|
required:
|
|
- compatible
|
|
- ctrl-gpios
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
gpio_hmc425a: hmc425a {
|
|
compatible = "adi,hmc425a";
|
|
ctrl-gpios = <&gpio 40 GPIO_ACTIVE_HIGH>,
|
|
<&gpio 39 GPIO_ACTIVE_HIGH>,
|
|
<&gpio 38 GPIO_ACTIVE_HIGH>,
|
|
<&gpio 37 GPIO_ACTIVE_HIGH>,
|
|
<&gpio 36 GPIO_ACTIVE_HIGH>,
|
|
<&gpio 35 GPIO_ACTIVE_HIGH>;
|
|
vcc-supply = <&foo>;
|
|
};
|
|
...
|