Signed-off-by: Hernán Gonzalez <hernan@xxxxxxxxxxxxxxxxxxxx>
---
.../devicetree/bindings/staging/iio/cdc/ad7746.txt | 32 ++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt
diff --git a/Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt b/Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt
new file mode 100644
index 0000000..13d0056
--- /dev/null
+++ b/Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt
@@ -0,0 +1,32 @@
+Analog Devices AD7746/5/7 capacitive sensor driver
+
+Required properties:
+ - compatible: Should be one of
+ * "adi,ad7745": When using the AD7745 device
+ * "adi,ad7746": When using the AD7746 device
+ * "adi,ad7747": When using the AD7747 device
+ - reg: The 7-bits long I2c address of the device
+
+Optional properties:
+ - adi,exclvl: 0 = +-VDD/8
+ 1 = +-VDD/4
+ 2 = +-VDD * 3/8
+ 3 = +-VDD/2 (Default)
+ - adi,nexca_en: Invert excitation output A.
+ - adi,nexcb_en: Invert excitation output B.
+
+Example:
+Here exclvl would be 1 (VDD/4), Excitation pin A would be inverted and
+Excitation pin B would NOT be inverted.
+
+i2c2 {
+
+ < . . . >
+
+ ad7746: ad7746@60 {
+ compatible = "ad7746";
+ reg = <0x60>;
+ adi,exclvl = <1>;
+ adi,nexca_en;
+ };
+};
--
2.7.4
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