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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