Re: [PATCH v4 08/12] dt-bindings: iio: resolver: Document AD2S1200 bindings

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On Fri, 18 May 2018 20:22:50 +0200
David Veenstra <davidjulianveenstra@xxxxxxxxx> wrote:

> Add documentation for the device tree bindings of the AD2S1200 resolver.
> 
> Signed-off-by: David Veenstra <davidjulianveenstra@xxxxxxxxx>

Nothing fundamentally wrong it in here, but a few things to tidy up.

> ---
> Changes in v4:
>  - Added vendor prefix to gpio function name.
>  - Added unit address.
>  - Changed commit subject to be more inline with other dt-bindings
>    commit .
> 
>  .../bindings/iio/resolver/ad2s1200.txt           | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt b/Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt
> new file mode 100644
> index 000000000000..bbf54260c911
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt
> @@ -0,0 +1,16 @@
> +Analog Devices AD2S1200 and AD2S1205 Resolver-to-Digital Converter
> +
> +Required properties:
> + - compatible : should be "adi,ad2s1200" or "adi,ad2s1205"

One line per entry.  Saves us having to change this substantially when adding
more parts in future.

> + - reg : the SPI chip select number of the device
> + - adi,sample-gpios : The GPIO pin connected to the SAMPLE line of the AD2S1200
> + - adi,rdvel-gpios : The GPIO pin connected to the RDVEL line of the AD2S1200
> +
> +Example:
> +
> +	resolver@0 {

@4 if you are going to have reg = <4> below.

> +		compatible = "adi,ad2s1200";
> +		reg = <4>;
> +		adi,sample-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
> +		adi,rdvel-gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
> +	};

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