On Tue, Aug 13, 2019 at 1:56 AM Mircea Caprioru <mircea.caprioru@xxxxxxxxxx> wrote: > > This patch add device tree binding documentation for AD7192 adc in YAML > format. > > Signed-off-by: Mircea Caprioru <mircea.caprioru@xxxxxxxxxx> > --- > Changelog V2: > - remove description from spi and interrupt properties > - changed the name of the device from ad7192 to adc in the example > > .../bindings/iio/adc/adi,ad7192.yaml | 121 ++++++++++++++++++ > 1 file changed, 121 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > new file mode 100644 > index 000000000000..2d83724cb4d6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > @@ -0,0 +1,121 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2019 Analog Devices Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/bindings/iio/adc/adi,ad7192.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices AD7192 ADC device driver > + > +maintainers: > + - Michael Hennerich <michael.hennerich@xxxxxxxxxx> > + > +description: | > + Bindings for the Analog Devices AD7192 ADC device. Datasheet can be > + found here: > + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7192.pdf > + > +properties: > + compatible: > + enum: > + - adi,ad7190 > + - adi,ad7192 > + - adi,ad7193 > + - adi,ad7195 > + > + reg: > + maxItems: 1 > + > + spi-cpol: true > + > + spi-cpha: true > + > + clocks: > + maxItems: 1 > + description: phandle to the master clock (mclk) > + > + clock-names: > + items: > + - const: mclk > + > + interrupts: > + maxItems: 1 > + > + dvdd-supply: > + description: DVdd voltage supply > + items: > + - const: dvdd > + > + avdd-supply: > + description: AVdd voltage supply > + items: > + - const: avdd > + > + adi,rejection-60-Hz-enable: > + description: | > + This bit enables a notch at 60 Hz when the first notch of the sinc > + filter is at 50 Hz. When REJ60 is set, a filter notch is placed at > + 60 Hz when the sinc filter first notch is at 50 Hz. This allows > + simultaneous 50 Hz/ 60 Hz rejection. > + type: boolean > + > + adi,refin2-pins-enable: > + description: | > + External reference applied between the P1/REFIN2(+) and P0/REFIN2(−) pins. > + type: boolean > + > + adi,buffer-enable: > + description: | > + Enables the buffer on the analog inputs. If cleared, the analog inputs > + are unbuffered, lowering the power consumption of the device. If this > + bit is set, the analog inputs are buffered, allowing the user to place > + source impedances on the front end without contributing gain errors to > + the system. > + type: boolean > + > + adi,burnout-currents-enable: > + description: | > + When this bit is set to 1, the 500 nA current sources in the signal > + path are enabled. When BURN = 0, the burnout currents are disabled. > + The burnout currents can be enabled only when the buffer is active > + and when chop is disabled. > + type: boolean > + > + bipolar: > + description: see Documentation/devicetree/bindings/iio/adc/adc.txt > + type: boolean > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - interrupts > + - dvdd-supply > + - avdd-supply > + - spi-cpol > + - spi-cpha > + > +examples: > + - | > + spi0 { > + adc@0 { > + compatible = "adi,ad7192"; > + reg = <0>; > + spi-max-frequency = <1000000>; > + spi-cpol; > + spi-cpha; > + clocks = <&ad7192_mclk>; > + clock-names = "mclk"; > + #interrupt-cells = <2>; > + interrupts = <25 0x2>; > + interrupt-parent = <&gpio>; > + dvdd-supply = <&dvdd>; > + avdd-supply = <&avdd>; > + > + adi,refin2-pins-enable; > + adi,rejection-60-Hz-enable; > + adi,buffer-enable; > + adi,burnout-currents-enable; > + }; > + } You didn't build this with 'make dt_binding_check'. Please do so and fix the error here. Rob
