On Sun, 29 Jan 2017, Andreas Klinger wrote:
> This patch adds dt binding for devantech ultrasonic ranger srf04.
comments below
> The vendor "devantech" was already added to the vendor list with
> "[PATCH v4 1/3] iio: distance: srf08: add trivial DT binding"
>
> Signed-off-by: Andreas Klinger <ak@xxxxxxxxxxxxx>
> ---
> .../bindings/iio/proximity/devantech-srf04.txt | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt
> new file mode 100644
> index 000000000000..4ea29ef3ff89
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt
> @@ -0,0 +1,17 @@
> +* Devantech SRF04 ultrasonic range finder
> + Bit-banging driver
> +
> +Required properties:
> + - compatible: Should be "devantech,srf04"
> + - trig-gpios: Definition of the GPIO for the triggering input
> + - echo-gpios: Definition of the GPIO for the echo
"for the echo"
maybe some more explanation? it sounds somewhat incomplete to me
in the driver you have "failed to get echo-gpiod", maybe it should be gpios there?
> + needs to be an interrupt input
> + See Documentation/devicetree/bindings/gpio/gpio.txt
> +
> +Example:
> +srf04@0 {
> + compatible = "devantech,srf04";
> + trig-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
> + echo-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
> +};
> +
>
--
Peter Meerwald-Stadler
+43-664-2444418 (mobile)
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