Re: [PATCH v5 2/4] dt-bindings: iio: adc: Add common ADCs properties to a separate file

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On Tue, 13 Nov 2018 13:21:01 +0200
Stefan Popa <stefan.popa@xxxxxxxxxx> wrote:

> There are several ADC drivers that depend on the same device tree
> bindings. Rather than continue to duplicate the properties, this patch
> adds a common adc binding document that can be referenced. For beginning,
> only two properties are documented.
> 
> Signed-off-by: Stefan Popa <stefan.popa@xxxxxxxxxx>
Looks very sensible to me, but as we are looking at a some generalization
here, I'd like an Ack from Rob if possible (as he suggested it I think :)

Thanks,

Jonathan

> ---
> Changes in v2, v3:
> 	- N/A.
> Changes in v4:
> 	- Added this commit.
> Changes in v5:
> 	- Nothing changed.
> 
>  Documentation/devicetree/bindings/iio/adc/adc.txt | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adc.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adc.txt b/Documentation/devicetree/bindings/iio/adc/adc.txt
> new file mode 100644
> index 0000000..5bbaa33
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adc.txt
> @@ -0,0 +1,23 @@
> +Common ADCs properties
> +
> +Optional properties for child nodes:
> +- bipolar : Boolean, if set the channel is used in bipolar mode.
> +- diff-channels : Differential channels muxed for this ADC. The first value
> +		specifies the positive input pin, the second value the negative
> +		input pin.
> +
> +Example:
> +	adc@0 {
> +		compatible = "some,adc";
> +		...
> +		channel@0 {
> +			bipolar;
> +			diff-channels = <0 1>;
> +			...
> +		};
> +
> +		channel@1 {
> +			diff-channels = <2 3>;
> +			...
> +		};
> +	};




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