On 01/06/15 13:20, Vladimir Barinov wrote:
> These bindings can be used to register Holt HI-8435/8436/8437 descrete ADC
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/iio/adc/hi-843x.txt | 27 ++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/hi-843x.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/hi-843x.txt b/Documentation/devicetree/bindings/iio/adc/hi-843x.txt
> new file mode 100644
> index 0000000..872e801
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/hi-843x.txt
> @@ -0,0 +1,27 @@
> +Holt Integrated Circuits HI-8435/8436/8437 discrete ADC bindings
> +
> +Required properties:
> + - compatible: Should be "holt,hi-8435" or "holt,hi-8436" or "holt,hi-8437"
> + - reg: spi chip select number for the device
> +
> +Recommended properties:
> + - spi-max-frequency: Definition as per
> + Documentation/devicetree/bindings/spi/spi-bus.txt
> +
> +Optional properties:
> + - holt,mr-gpio: GPIO used for controlling the MR (chip reset) pin
Unless there is anything unusual about the chip reset line, I'd
be tempted to go with reset-gpios which seems to be somewhat
of a convention based on a quick grep of existing bindings.
> + - holt,debounce-soft: enable software debounce at startup
> + - holt,debounce-soft-delay: software debounce interval in milliseconds
> +
> +Example:
> +adc@0 {
> + compatible = "holt,hi-8435";
> + reg = <0>;
> +
> + holt,mr-gpio = <&gpio6 1 0>;
> +
> + holt,debounce-soft;
> + holt,debounce-soft-delay = <100>;
> +
> + spi-max-frequency = <1000000>;
> +};
>
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