linux-kernel - Re: [PATCH] dt-bindings: iio: adc: ad7923: Add dt-bindings for AD7928

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Date:   Wed, 5 Feb 2020 08:23:52 +0000
From:   "Ardelean, Alexandru" <alexandru.Ardelean@...log.com>
To:     "patrick.vasseur@....fr" <patrick.vasseur@....fr>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "lkcamp@...ts.libreplanetbr.org" <lkcamp@...ts.libreplanetbr.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "pmeerw@...erw.net" <pmeerw@...erw.net>,
        "knaack.h@....de" <knaack.h@....de>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "hennerich@...s-prod-bn1-047.cloudapp.net" 
        <hennerich@...s-prod-bn1-047.cloudapp.net>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "djunho@...il.com" <djunho@...il.com>
Subject: Re: [PATCH] dt-bindings: iio: adc: ad7923: Add dt-bindings for AD7928

On Tue, 2020-02-04 at 21:21 -0300, Daniel Junho wrote:
> From: Daniel Junho <djunho@...il.com>
> 
> Add device tree bindings documentation for AD7923 adc in YAML format.
> 
> Tested with:
> make ARCH=arm dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> make ARCH=arm dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> 

Hey,

Some comments inline.


> Signed-off-by: Daniel Junho <djunho@...il.com>
> ---
> 
> Hi,
> 
> I got maintainers from the driver authors list. Let me know if this is
> fine.
> 
> Thanks.
> 
>  .../bindings/iio/adc/adi,ad7923.yaml          | 65 +++++++++++++++++++
>  1 file changed, 65 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> new file mode 100644
> index 000000000000..8097441c97be
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> @@ -0,0 +1,65 @@
> +# SPDX-License-Identifier: GPL-2.0-only

License header should be:
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)


> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/adi,ad7923.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD7923 and similars with 4 and 8 Channel ADCs.
> +
> +maintainers:
> +  - Michael Hennerich <hennerich@...ckfin.uclinux.org>"

For Michael, email now is:  michael.hennerich@...log.com 
That email may still work, but for new stuff, it should be updated.

> +  - Patrick Vasseur <patrick.vasseur@....fr>"
> +
> +description: |
> +  Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
> +   AD7918, AD7928 8 Channels ADCs.
> +
> +  Specifications about the part can be found at:
> +    
> https://www.analog.com/media/en/technical-documentation/data-sheets/AD7923.pdf
> +    
> https://www.analog.com/media/en/technical-documentation/data-sheets/AD7904_7914_7924.pdf
> +    
> https://www.analog.com/media/en/technical-documentation/data-sheets/AD7908_7918_7928.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ad7904
> +      - adi,ad7914
> +      - adi,ad7923
> +      - adi,ad7924
> +      - adi,ad7908
> +      - adi,ad7918
> +      - adi,ad7928
> +
> +  reg:
> +    maxItems: 1
> +
> +  refin-supply:
> +    description: |
> +      The regulator supply for ADC reference voltage.
> +
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    spi {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      ad7928: adc@0 {
> +        compatible = "adi,ad7928";
> +        reg = <0>;
> +        spi-max-frequency = <25000000>;
> +        refin-supply = <&adc_vref>;
> +
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +      };
> +    };