After discussion with the devicetree maintainers we agreed to not extend
lists with the generic compatible "apple,nco" anymore [1]. Use
"apple,t8103-nco" as base compatible as it is the SoC the driver and
bindings were written for.

The block found on Apple's M2 Pro/Max/Ultra SoCs is compatible with
"apple,t8103-nco" so add its per-SoC compatible with the former as
fallback used by the existing driver.

[1]: 
https://lore.kernel.org/asahi/12ab93b7-1fc2-4ce0-926e-c8141cfe8...@kernel.org/

Signed-off-by: Janne Grunau <j...@jannau.net>
---
 Documentation/devicetree/bindings/clock/apple,nco.yaml | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/apple,nco.yaml 
b/Documentation/devicetree/bindings/clock/apple,nco.yaml
index 
8b8411dc42f60f83ee23dce117583e2982db5cd0..080454f56721f42d4f916d77d63d5ea71d2379cd
 100644
--- a/Documentation/devicetree/bindings/clock/apple,nco.yaml
+++ b/Documentation/devicetree/bindings/clock/apple,nco.yaml
@@ -19,12 +19,17 @@ description: |
 
 properties:
   compatible:
-    items:
-      - enum:
-          - apple,t6000-nco
-          - apple,t8103-nco
-          - apple,t8112-nco
-      - const: apple,nco
+    oneOf:
+      - items:
+          - const: apple,t6020-nco
+          - const: apple,t8103-nco
+      - items:
+          - enum:
+              # Do not add additional SoC to this list.
+              - apple,t6000-nco
+              - apple,t8103-nco
+              - apple,t8112-nco
+          - const: apple,nco
 
   clocks:
     description:

-- 
2.51.0

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