On 13/01/2023 20:49, Hugo Villeneuve wrote: > From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx> > > Add device tree bindings document for the Texas Instruments ADS7924 > ADC. > > Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx> > --- > .../bindings/iio/adc/ti,ads7924.yaml | 112 ++++++++++++++++++ > 1 file changed, 112 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml > > diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml > new file mode 100644 > index 000000000000..24bbf95383b4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml > @@ -0,0 +1,112 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/adc/ti,ads7924.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TI ADS7924 4 channels 12 bits I2C analog to digital converter > + > +maintainers: > + - Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx> > + > +description: | > + Texas Instruments ADS7924 4 channels 12 bits I2C analog to digital converter > + > + Specifications: > + https://www.ti.com/lit/gpn/ads7924 > + > +properties: > + compatible: > + const: ti,ads7924 > + > + reg: > + maxItems: 1 > + > + vref-supply: > + description: > + The regulator supply for the ADC reference voltage (AVDD) > + > + reset-gpios: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > + "#io-channel-cells": > + const: 1 > + > +patternProperties: > + "^channel@[0-3]+$": > + $ref: adc.yaml > + > + description: | > + Represents the external channels which are connected to the ADC. > + > + properties: > + reg: > + description: | > + The channel number. It can have up to 4 channels numbered from 0 to 3. > + items: > + - minimum: 0 > + maximum: 3 > + > + label: > + description: | > + Unique name to identify the channel. Drop description, it's coming from adc.yaml. Just "label: true" > + > + required: > + - reg > + > + additionalProperties: false You are not allowing anything else from adc.yaml. Is it on purpose? > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - vref-supply > + - "#address-cells" > + - "#size-cells" > + Best regards, Krzysztof