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Diffstat (limited to 'dts/Bindings/iio/amplifiers/adi,hmc425a.yaml')
| -rw-r--r-- | dts/Bindings/iio/amplifiers/adi,hmc425a.yaml | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/dts/Bindings/iio/amplifiers/adi,hmc425a.yaml b/dts/Bindings/iio/amplifiers/adi,hmc425a.yaml new file mode 100644 index 0000000000..67de9d4e3a --- /dev/null +++ b/dts/Bindings/iio/amplifiers/adi,hmc425a.yaml @@ -0,0 +1,60 @@ +# 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: Analog Devices HMC425A and similar Digital Step Attenuators + +maintainers: + - Michael Hennerich <michael.hennerich@analog.com> + +description: | + Digital Step Attenuator IIO devices with gpio interface. + Offer various frequency and attenuation ranges. + ADRF5750 2 dB LSB, 4-Bit, Silicon Digital Attenuator, 10 MHz to 60 GHz + https://www.analog.com/media/en/technical-documentation/data-sheets/adrf5740.pdf + + 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 + + HMC540S 1 dB LSB Silicon MMIC 4-Bit Digital Positive Control Attenuator, 0.1 - 8 GHz + https://www.analog.com/media/en/technical-documentation/data-sheets/hmc540s.pdf + + +properties: + compatible: + enum: + - adi,adrf5740 + - adi,hmc425a + - adi,hmc540s + + 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>; + }; +... |