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SubjectRe: [PATCH v5 2/4] dt-bindings: iio: adc: Add common ADCs properties to a separate file
On Tue, 13 Nov 2018 13:21:01 +0200
Stefan Popa <stefan.popa@analog.com> 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@analog.com>
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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