diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml
index d0cb32f136e5..db2a9662bd94 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml
@@ -106,19 +106,17 @@ allOf:
         - vcc-supply
   # Devices with a vref
   - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - adi,ad7091r
-              - adi,ad7273
-              - adi,ad7274
-              - adi,ad7475
-              - lltc,ltc2314-14
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - adi,ad7091r
+                - adi,ad7273
+                - adi,ad7274
+                - adi,ad7475
+                - lltc,ltc2314-14
     then:
-      properties:
-        vref-supply: true
-    else:
       properties:
         vref-supply: false
   # Devices with a vref where it is not optional
@@ -135,29 +133,25 @@ allOf:
       required:
         - vref-supply
   - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - adi,ad7475
-              - adi,ad7495
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - adi,ad7475
+                - adi,ad7495
     then:
-      properties:
-        vdrive-supply: true
-    else:
       properties:
         vdrive-supply: false
   - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - adi,ad7091
-              - adi,ad7091r
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - adi,ad7091
+                - adi,ad7091r
     then:
-      properties:
-        adi,conversion-start-gpios: true
-    else:
       properties:
         adi,conversion-start-gpios: false