On Fri, Dec 18, 2020 at 07:12:29PM +0200, Cristian Pop wrote: > This adds device tree bindings for the AD5766 DAC. > > Signed-off-by: Cristian Pop <cristian.pop@xxxxxxxxxx> > --- > Changelog v4: > - Add range selection > - Reset is GPIO_ACTIVE_LOW > > .../bindings/iio/dac/adi,ad5766.yaml | 64 +++++++++++++++++++ > 1 file changed, 64 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml > > diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml > new file mode 100644 > index 000000000000..846b5ee50761 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2020 Analog Devices Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/dac/adi,ad5766.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices AD5766 DAC device driver > + > +maintainers: > + - Cristian Pop <cristian.pop@xxxxxxxxxx> > + > +description: | > + Bindings for the Analog Devices AD5766 current DAC device. Datasheet can be > + found here: > + https://www.analog.com/media/en/technical-documentation/data-sheets/ad5766-5767.pdf > + > +properties: > + compatible: > + enum: > + - adi,ad5766 > + - adi,ad5767 > + > + output-range: > + description: Select converter output range. Something standard for DACs? If not needs a vendor prefix and type. > + > + reg: > + maxItems: 1 > + > + spi-max-frequency: > + maximum: 1000000 > + > + spi-cpol: true > + > + reset-gpios: > + description: GPIO spec for the RESET pin. If specified, it will be asserted > + during driver probe. As the line is active low, it should be marked > + GPIO_ACTIVE_LOW. > + maxItems: 1 > + > +required: > + - compatible > + - output-range > + - reg > + - spi-max-frequency > + - spi-cpol > + > +additionalProperties: false > + > +examples: > + - | > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + ad5766@0 { > + compatible = "adi,ad5766"; > + output-range = <(-5) 5>; > + reg = <0>; > + spi-cpol; > + spi-max-frequency = <1000000>; > + reset-gpios = <&gpio 22 0>; > + }; > + }; > -- > 2.17.1 >
