[PATCH v2 1/2] dt-bindings: iio: adf4371: add rdiv2 and doubler

[Antoniu Miclaus <antoniu.miclaus@analog.com>]

Add support for reference doubler enable and reference divide by 2
clock.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
---
no changes in v2. (added cover letter as requested)
 .../devicetree/bindings/iio/frequency/adf4371.yaml    | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
index 1cb2adaf66f9..ef241c38520c 100644
--- a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
+++ b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
@@ -40,6 +40,17 @@ properties:
       output stage will shut down until the ADF4371/ADF4372 achieves lock as
       measured by the digital lock detect circuitry.
 
+  adi,reference-doubler-enable:
+    type: boolean
+    description:
+      If this property is present, the reference doubler block is enabled.
+
+  adi,adi,reference-div2-enable:
+    type: boolean
+    description:
+      If this property is present, the reference divide by 2 clock is enabled.
+      This feature can be used to provide a 50% duty cycle signal to the PFD.
+
 required:
   - compatible
   - reg
-- 
2.47.0