| Message ID | 20190812090341.27183-4-mircea.caprioru@analog.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/4] staging: iio: adc: ad7192: Add low_pass_3db_filter_frequency | expand |
On Mon, Aug 12, 2019 at 3:03 AM Mircea Caprioru <mircea.caprioru@analog.com> wrote: > > This patch add device tree binding documentation for AD7192 adc in YAML > format. > > Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> > --- > .../bindings/iio/adc/adi,ad7192.yaml | 123 ++++++++++++++++++ > 1 file changed, 123 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..a56ee391f6a8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > @@ -0,0 +1,123 @@ > +# 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@analog.com> > + > +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: > + description: SPI chip select number for the device Don't need a description as this is a standard property and there's only 1 entry. > + maxItems: 1 > + > + spi-cpol: true > + > + spi-cpha: true > + > + clocks: > + maxItems: 1 > + description: phandle to the master clock (mclk) > + > + clock-names: > + items: > + - const: mclk > + > + interrupts: > + description: IRQ line for the ADC Same here. > + 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 { > + ad7192@0 { adc@0 With those fixes, Reviewed-by: Rob Herring <robh@kernel.org>
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..a56ee391f6a8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml @@ -0,0 +1,123 @@ +# 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@analog.com> + +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: + description: SPI chip select number for the device + maxItems: 1 + + spi-cpol: true + + spi-cpha: true + + clocks: + maxItems: 1 + description: phandle to the master clock (mclk) + + clock-names: + items: + - const: mclk + + interrupts: + description: IRQ line for the ADC + 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 { + ad7192@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; + }; + }
This patch add device tree binding documentation for AD7192 adc in YAML format. Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> --- .../bindings/iio/adc/adi,ad7192.yaml | 123 ++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml