Add documentation of device tree bindings to support sigma delta modulator backend in IIO framework. Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx> --- .../iio/adc/sd-modulator-backend.yaml | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml b/Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml new file mode 100644 index 000000000000..b0fa71b75cd0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sd-modulator-backend.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/sd-modulator-backend.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sigma delta modulator backend + +maintainers: + - Olivier Moysan <olivier.moysan@xxxxxxxxxxx> + +properties: + compatible: + description: | + "sd-backend" can be used as a generic SD modulator backend, + if the modulator is not specified in the compatible list. + enum: + - sd-backend + - ads1201 + + '#io-backend-cells': + const: 0 + + reg: + maxItems: 1 + + vref-supply: + description: Phandle to the vref input analog reference voltage. + +required: + - compatible + - '#io-backend-cells' + +additionalProperties: false + +examples: + - | + ads1201: adc { + compatible = "sd-backend"; + #io-backend-cells = <0>; + }; + +... -- 2.25.1