dt-bindings: arm: apple: Add M3 Pro/Max/Ultra devices (t603x)

One noteable difference is that M3 Max has two variants variants in
t6031 and t6034. T6034 appears to be smaller design with 14 CPU cores,
30 GPU cores and 300 GB/s memory bandwidth compared to t6031 with 16 CPU
cores, 40 GPU cores and 400 GB/s memory bandwidth. These are the only
apparent differences between those two SoCs.

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

Documentation/devicetree/bindings/arm/apple.yaml

@@ -123,6 +123,14 @@ description: |
   - Mac Studio (M2 Ultra, 2023)
   - Mac Pro (M2 Ultra, 2023)
 
+  Devices based on the "M3 Pro", "M3 Max" and "M3 Ultra" SoCs:
+
+  - MacBook Pro (14-inch, M3 Pro, 2023)
+  - MacBook Pro (14-inch, M3 Max, 2023)
+  - MacBook Pro (16-inch, M3 Pro, 2023)
+  - MacBook Pro (16-inch, M3 Max, 2023)
+  - Mac Studio (M3 Ultra, 2025)
+
   The compatible property should follow this format:
 
   compatible = "apple,<targettype>", "apple,<socid>", "apple,arm-platform";
@@ -365,6 +373,36 @@ properties:
           - const: apple,t6022
           - const: apple,arm-platform
 
+      - description: Apple M3 Pro SoC based platforms
+        items:
+          - enum:
+            - apple,j514s # MacBook Pro (14-inch, M3 Pro, 2023)
+            - apple,j516s # MacBook Pro (16-inch, M3 Pro, 2023)
+          - const: apple,t6030
+          - const: apple,arm-platform
+
+      - description: Apple M3 Max SoC based platforms
+        oneOf:
+          - items:
+            - enum:
+              - apple,j514c # MacBook Pro (14-inch, M3 Max, 16 cores, 2023)
+              - apple,j516c # MacBook Pro (16-inch, M3 Max, 16 cores, 2023)
+            - const: apple,t6031
+            - const: apple,arm-platform
+          - items:
+            - enum:
+              - apple,j514m # MacBook Pro (14-inch, M3 Max, 14 cores, 2023)
+              - apple,j516m # MacBook Pro (16-inch, M3 Max, 14 cores, 2023)
+            - const: apple,t6034
+            - const: apple,arm-platform
+
+      - description: Apple M3 Ultra SoC based platforms
+        items:
+          - enum:
+            - apple,j575d # Mac Studio (M3 Ultra, 2025)
+          - const: apple,t6032
+          - const: apple,arm-platform
+
 additionalProperties: true
 
 ...