Signed-off-by: Paul Cercueil <paul.cercu...@analog.com>
---
 .../devicetree/bindings/iio/dac/ad5064.txt         | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/dac/ad5064.txt

diff --git a/Documentation/devicetree/bindings/iio/dac/ad5064.txt 
b/Documentation/devicetree/bindings/iio/dac/ad5064.txt
new file mode 100644
index 0000000..fa2d328
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ad5064.txt
@@ -0,0 +1,48 @@
+Analog Devices AD5064 DAC device driver
+
+Required properties:
+       - compatible: Must be one of:
+               * "adi,ad5024"
+               * "adi,ad5025"
+               * "adi,ad5044"
+               * "adi,ad5045"
+               * "adi,ad5064"
+               * "adi,ad5064-1"
+               * "adi,ad5065"
+               * "adi,ad5628-1"
+               * "adi,ad5628-2"
+               * "adi,ad5648-1"
+               * "adi,ad5648-2"
+               * "adi,ad5666-1"
+               * "adi,ad5666-2"
+               * "adi,ad5668-1"
+               * "adi,ad5668-2"
+               * "adi,ad5668-3"
+       - reg: SPI chip select number for the device
+       - spi-max-frequency: Max SPI frequency to use (< 30000000)
+       - vrefA-supply, vrefB-supply: phandles to external reference voltage
+         supplies for channels 0 and 1 respectively.
+         This property must be present for ad5024, ad5025, ad5044, ad5045,
+         ad5064, ad5065.
+       - vrefC-supply, vrefD-supply: phandles to external reference voltage
+         supplies for channels 2 and 3 respectively.
+         This property must be present for ad5024, ad5044, ad5064.
+
+Optional properties:
+       - vref-supply: phandle to the external reference voltage supply.
+         This should only be set if there is an external reference voltage
+         connected to the vref or vref[A-D] pins.
+         If the property is not set, the internal reference voltage supply
+         is used if present.
+         This property can be used with ad5064-1, ad5628-1, ad5628-2, ad5648-1,
+         ad5648-2, ad5666-1, ad5666-2, ad5668-1, ad5668-2, ad5668-3.
+
+Example:
+
+               ad5668-2@4 {
+                       compatible = "adi,ad5668-2";
+                       reg = <4>;
+                       spi-max-frequency = <10000000>;
+                       adi,use-external-reference;
+                       vref-supply = <&vref_supply>;
+               };
-- 
2.5.3

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