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| author | Michael Hennerich <michael.hennerich@analog.com> | 2020-02-06 17:11:48 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-03-08 17:28:28 +0000 |
| commit | 8aba25394cbf8a2bfd45b43f36f2a7a573f6d213 (patch) | |
| tree | 7eeb311ca34a2563d62c0f0b85895ce466e56c9f /Documentation/devicetree/bindings/iio/amplifiers | |
| parent | a76838dfc7b7ea1f06de51fbe8e653eb34f65c94 (diff) | |
| download | linux-8aba25394cbf8a2bfd45b43f36f2a7a573f6d213.tar.gz | |
dt-bindings: iio: amplifiers: Add docs for HMC425A Step Attenuator
Document support for Analog Devices MC425A Step Attenuator.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation/devicetree/bindings/iio/amplifiers')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml new file mode 100644 index 000000000000..1c6d49685e9f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml @@ -0,0 +1,49 @@ +# 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> +- Beniamin Bia <beniamin.bia@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 + +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>; + }; +... |