[PATCH v4] dt-bindings: iio: adc: ad7923: adjust documentation

[Edmund Berenson]

- The ad7927 is fully compatible with ad7928 driver, add
documentation for device.
- ad7923 and ad7924 are treated the same in the driver, show
the relationship in the documentation.

Suggested-by: Lukasz Zemla <Lukasz.Zemla@xxxxxxxxxxxx>
Signed-off-by: Edmund Berenson <edmund.berenson@xxxxxxxxx>
---
 .../bindings/iio/adc/adi,ad7923.yaml          | 25 ++++++++++++-------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
index 07f9d1c09c7d..b6e2f1b41739 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
@@ -11,7 +11,7 @@ maintainers:
 
 description: |
   Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
-   AD7918, AD7928 8 Channels ADCs.
+   AD7918, AD7927, AD7928 8 Channels ADCs.
 
   Specifications about the part can be found at:
     https://www.analog.com/media/en/technical-documentation/data-sheets/AD7923.pdf
@@ -20,14 +20,21 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - adi,ad7904
-      - adi,ad7914
-      - adi,ad7923
-      - adi,ad7924
-      - adi,ad7908
-      - adi,ad7918
-      - adi,ad7928
+    oneOf:
+      - const: adi,ad7904
+      - const: adi,ad7908
+      - const: adi,ad7914
+      - const: adi,ad7918
+      - const: adi,ad7923
+      - const: adi,ad7924
+        deprecated: true
+      - const: adi,ad7928
+      - items:
+          - const: adi,ad7924
+          - const: adi,ad7923
+      - items:
+          - const: adi,ad7927
+          - const: adi,ad7928
 
   reg:
     maxItems: 1
-- 
2.37.4