Add devicetree bindings for ad485x family. Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> --- changes in v3: - add filename matching a compatible string. - rename bindings file to match a device name. - add support for refio and refbuf supplies. - add description for the devices supported. - use numeric order for compatibles and datasheet links. .../bindings/iio/adc/adi,ad4851.yaml | 103 ++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml new file mode 100644 index 000000000000..5f0f2e6e7a8e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4851.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2024 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad4851.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD485X family + +maintainers: + - Sergiu Cuciurean <sergiu.cuciurean@xxxxxxxxxx> + - Dragos Bogdan <dragos.bogdan@xxxxxxxxxx> + - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> + +description: | + Analog Devices AD485X fully buffered, 8-channel simultaneous sampling, + 16/20-bit, 1 MSPS data acquisition system (DAS) with differential, wide + common-mode range inputs. + + https://www.analog.com/media/en/technical-documentation/data-sheets/ad4855.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/ad4856.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/ad4857.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/ad4858.pdf + +$ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + enum: + - adi,ad4851 + - adi,ad4852 + - adi,ad4853 + - adi,ad4854 + - adi,ad4855 + - adi,ad4856 + - adi,ad4857 + - adi,ad4858 + - adi,ad4858i + + reg: + maxItems: 1 + + vcc-supply: true + + vee-supply: true + + vdd-supply: true + + vddh-supply: true + + vddl-supply: true + + vio-supply: true + + vrefbuf-supply: true + + vrefio-supply: true + + pwms: + description: PWM connected to the CNV pin. + maxItems: 1 + + io-backends: + maxItems: 1 + + pd-gpios: + maxItems: 1 + + spi-max-frequency: + maximum: 25000000 + +required: + - compatible + - reg + - vcc-supply + - vee-supply + - vdd-supply + - vio-supply + - pwms + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0{ + compatible = "adi,ad4858"; + reg = <0>; + spi-max-frequency = <10000000>; + vcc-supply = <&vcc>; + vdd-supply = <&vdd>; + vee-supply = <&vee>; + vddh-supply = <&vddh>; + vddl-supply = <&vddh>; + vio-supply = <&vio>; + pwms = <&pwm_gen 0 0>; + io-backends = <&iio_backend>; + }; + }; +... -- 2.46.2
