On Tue, Oct 15, 2019 at 11:52:23PM -0300, Marcelo Schmitt wrote: > Add a device tree binding doc for AD7292 monitor and control system. > > Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@xxxxxxxxx> > --- > .../bindings/iio/adc/adi,ad7292.yaml | 107 ++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 108 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml > > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml > new file mode 100644 > index 000000000000..40028332d9e2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml > @@ -0,0 +1,107 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices AD7292 10-Bit Monitor and Control System > + > +maintainers: > + - Marcelo Schmitt <marcelo.schmitt1@xxxxxxxxx> > + > +description: | > + Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs, > + Temperature Sensor, and GPIOs > + > + Specifications about the part can be found at: > + https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf > + > +properties: > + compatible: > + enum: > + - adi,ad7292 > + > + reg: > + maxItems: 1 > + > + vref-supply: > + description: | > + The regulator supply for ADC and DAC reference voltage. > + maxItems: 1 Not necessary, regulator supplies are always 1 item, so drop maxItems. > + > + spi-cpha: > + description: | > + See Documentation/devicetree/bindings/spi/spi-controller.yaml > + maxItems: 1 This is just wrong because spi-cpha is a boolean. Just 'spi-cpha: true' is sufficient. If this device needs this property, then it should probably be required. > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > +required: > + - compatible > + - reg > + > +patternProperties: > + "^channel@[0-7]$": > + type: object > + description: | > + Represents the external channels which are connected to the ADC. > + See Documentation/devicetree/bindings/iio/adc/adc.txt. > + > + properties: > + reg: > + description: | > + The channel number. It can have up to 8 channels numbered from 0 to 7. > + maxItems: 1 > + > + diff-channels: > + description: see Documentation/devicetree/bindings/iio/adc/adc.txt > + maxItems: 1 > + > + required: > + - reg > + > +examples: > + - | > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + ad7292: ad7292@0 { adc@0 > + compatible = "adi,ad7292"; > + reg = <0>; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + spi-max-frequency = <25000000>; > + vref-supply = <&adc_vref>; > + spi-cpha; > + > + channel@0 { > + reg = <0>; > + diff-channels = <0 1>; > + }; > + channel@2 { > + reg = <2>; > + }; > + channel@3 { > + reg = <3>; > + }; > + channel@4 { > + reg = <4>; > + }; > + channel@5 { > + reg = <5>; > + }; > + channel@6 { > + reg = <6>; > + }; > + channel@7 { > + reg = <7>; > + }; > + }; > + } Missing ';'. Make sure this builds with 'make -k dt_binding_check'. The '-k' is due to some other breakage ATM. Rob
