1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
index e1f6d64bdccd..108d202b288f 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
@@ -30,6 +30,8 @@ properties:
 
   spi-cpha: true
 
+  spi-max-frequency: true
+
   '#address-cells':
     const: 1
 
@@ -63,6 +65,8 @@ patternProperties:
     required:
       - reg
 
+additionalProperties: false
+
 examples:
   - |
     spi {