Description how to invoke ad7949 driver from device tree file.
Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@xxxxxxxxxxxxx>
---
V1 to V3:
* Add prefix vendor
* Improve patch description
.../devicetree/bindings/iio/adc/ad7949.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/ad7949.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/ad7949.txt b/Documentation/devicetree/bindings/iio/adc/ad7949.txt
new file mode 100644
index 000000000000..f1c3af53f5cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ad7949.txt
@@ -0,0 +1,18 @@
+* Analog Devices AD7949/AD7682/AD7689
+
+Required properties:
+ - compatible: Should be one of
+ * "adi,ad7949"
+ * "adi,ad7682"
+ * "adi,ad7689"
+ - reg: spi chip select number for the device
+ - vref-supply: The regulator supply for ADC reference voltage
+ - spi-max-frequency: Max SPI frequency to use (< 33000000)
+
+Example:
+adc@0 {
+ compatible = "adi,ad7949";
+ reg = <0>;
+ vref-supply = <&vdd_supply>;
+ spi-max-frequency = <200000>;
+};
--
2.19.1
