[v5,2/2] dt-bindings: iio: ad779x: Add binding document

New binding documentation for AD799x series of I²C ADC ICs.

Signed-off-by: Florian Boor <florian.boor@kernelconcepts.de>
---
Changes in v5:
- Correct errors in documentation found by
  'make DT_CHECKER_FLAGS=-m dt_binding_check'
  + Reduce title length
  + Move information to description
  + Add I²C bits to example

 .../bindings/iio/adc/adi,ad799x.yaml          | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml

On Wed, Sep 29, 2021 at 12:46:07PM +0200, Florian Boor wrote:
> New binding documentation for AD799x series of I²C ADC ICs.
> 
> Signed-off-by: Florian Boor <florian.boor@kernelconcepts.de>
> ---
> Changes in v5:
> - Correct errors in documentation found by
>   'make DT_CHECKER_FLAGS=-m dt_binding_check'
>   + Reduce title length
>   + Move information to description
>   + Add I²C bits to example
> 
>  .../bindings/iio/adc/adi,ad799x.yaml          | 73 +++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml
> new file mode 100644
> index 000000000000..cdba1ea91f42
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/adi,ad799x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD799x analog to digital converters
> +
> +maintainers:
> +  - Michael Hennerich, Analog Devices Inc. <Michael.Hennerich@analog.com>

I think the ',' here will throw off email parsing. Drop the Analog 
Devices.

> +
> +description: |
> +    Support for Analog Devices AD7991, AD7992, AD7993, AD7994, AD7995, AD7997, AD7998,
> +    AD7999 and similar analog to digital converters.
> +    Specifications on the converters can be found at:
> +    AD7991, AD7995, AD7999:
> +      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7991_7995_7999.pdf
> +    AD7992:
> +      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7992.pdf
> +    AD7993, AD7994:
> +      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7993_7994.pdf
> +    AD7997, AD7998:
> +      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7997_7998.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ad7991
> +      - adi,ad7992
> +      - adi,ad7993
> +      - adi,ad7994
> +      - adi,ad7995
> +      - adi,ad7997
> +      - adi,ad7998
> +      - adi,ad7999
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  vcc-supply:
> +    description:
> +      ADC power supply
> +
> +  vref-supply:
> +    description:
> +      ADC reference voltage supply, optional for AD7991, AD7995 and AD7999
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +       adc1: ad7991@28 {

adc@28

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

> +               reg = <0x28>;
> +               compatible = "adi,ad7991";
> +               interrupts = <13 2>;
> +               interrupt-parent = <&gpio6>;
> +
> +               vcc-supply = <&vcc_3v3>;
> +               vref-supply = <&adc_vref>;
> +        };
> +    };
> +...
> -- 
> 2.30.2
> 
>