[PATCH 1/2] iio: distance: add dt binding for devantech-srf04

[Andreas Klinger <ak-n176/SwNRljddJNmlsFzeA@public.gmane.org>]

This patch adds dt binding for devantech ultrasonic ranger srf04.

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-n176/SwNRljddJNmlsFzeA@public.gmane.org>
---
 .../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
+		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>;
+};
+
-- 
2.1.4

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