iio: add support of the max5821

Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/iio/dac/max5821.txt b/Documentation/devicetree/bindings/iio/dac/max5821.txt
new file mode 100644
index 000000000000..54276ce8c971
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/max5821.txt
@@ -0,0 +1,14 @@
+Maxim max5821 DAC device driver
+
+Required properties:
+        - compatible: Must be "maxim,max5821"
+        - reg: Should contain the DAC I2C address
+        - vref-supply: Phandle to the vref power supply
+
+Example:
+
+        max5821@38 {
+                compatible = "maxim,max5821";
+                reg = <0x38>;
+                vref-supply = <&reg_max5821>;
+        };