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| author | Rodrigo Alencar <rodrigo.alencar@analog.com> | 2026-02-16 20:10:46 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2026-02-24 00:00:57 +0300 |
| commit | 3cfbb50d1414a1e40c03a595eae56b6b3ffe2691 (patch) | |
| tree | 8687d0a884d4107f073b28fdd083c6d876b4794e | |
| parent | 2ee227268c3673031335c10be0dfeaa5222f87f6 (diff) | |
| download | linux-3cfbb50d1414a1e40c03a595eae56b6b3ffe2691.tar.xz | |
dt-bindings: iio: amplifiers: Add AD8366 support
Add device tree binding documentation for amplifiers and digital
attenuators. This covers different device variants with similar
SPI control. Each device has its own gain range and step, hence
no fallback compatibles are used.
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/amplifiers/adi,ad8366.yaml | 97 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
2 files changed, 98 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,ad8366.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,ad8366.yaml new file mode 100644 index 000000000000..2719de1166a1 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,ad8366.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/amplifiers/adi,ad8366.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AD8366 and similar Gain Amplifiers and Digital Attenuators + +maintainers: + - Michael Hennerich <michael.hennerich@analog.com> + - Rodrigo Alencar <rodrigo.alencar@analog.com> + +description: + Digital Variable Gain Amplifiers (VGAs) and Digital Attenuators with + SPI interface. + +properties: + compatible: + enum: + - adi,ad8366 + - adi,ada4961 + - adi,adl5240 + - adi,adrf5720 + - adi,adrf5730 + - adi,adrf5731 + - adi,hmc271a + - adi,hmc792a + - adi,hmc1018a + - adi,hmc1019a + - adi,hmc1119 + + reg: + maxItems: 1 + + vcc-supply: + description: Regulator that provides power to the device. + + reset-gpios: + maxItems: 1 + + enable-gpios: + maxItems: 1 + description: Power-up or Serial Mode Enable GPIO. + +required: + - compatible + - reg + - vcc-supply + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + - if: + not: + properties: + compatible: + contains: + const: adi,hmc271a + then: + properties: + reset-gpios: false + - if: + not: + properties: + compatible: + contains: + anyOf: + - const: adi,ad8366 + - const: adi,ada4961 + - const: adi,adrf5720 + - const: adi,adrf5730 + - const: adi,adrf5731 + - const: adi,hmc792a + - const: adi,hmc1018a + - const: adi,hmc1019a + - const: adi,hmc1119 + then: + properties: + enable-gpios: false + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + amplifier@0 { + compatible = "adi,ad8366"; + reg = <0>; + spi-max-frequency = <1000000>; + vcc-supply = <&vcc_3v3>; + enable-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 5ae0f8a7a1dd..1c75276404df 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1600,6 +1600,7 @@ M: Rodrigo Alencar <rodrigo.alencar@analog.com> L: linux-iio@vger.kernel.org S: Supported W: https://ez.analog.com/linux-software-drivers +F: Documentation/devicetree/bindings/iio/amplifiers/adi,ad8366.yaml F: drivers/iio/amplifiers/ad8366.c ANALOG DEVICES INC AD9467 DRIVER |