dt-bindings: leds: mt6360: rework to match multi-led

The binding allows two type of LEDs - single and multi-color.  They
differ with properties, so fix the bindings to accept both cases.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221127204058.57111-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/leds/leds-mt6360.yaml

@@ -26,11 +26,10 @@ properties:
     const: 0
 
 patternProperties:
-  "^(multi-)?led@[0-5]$":
+  "^multi-led@[0-5]$":
     type: object
-    $ref: common.yaml#
-    description:
-      Properties for a single LED.
+    $ref: leds-class-multicolor.yaml#
+    unevaluatedProperties: false
 
     properties:
       reg:
@@ -43,6 +42,42 @@ patternProperties:
           - 4 # LED output FLASH1
           - 5 # LED output FLASH2
 
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
+    patternProperties:
+      "^led@[0-2]$":
+        type: object
+        $ref: common.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          reg:
+            enum: [0, 1, 2]
+
+        required:
+          - reg
+          - color
+
+    required:
+      - reg
+      - "#address-cells"
+      - "#size-cells"
+
+  "^led@[0-5]$":
+    type: object
+    $ref: common.yaml#
+    unevaluatedProperties: false
+    description:
+      Properties for a single LED.
+
+    properties:
+      reg:
+        enum: [0, 1, 2, 3, 4, 5]
+
 required:
   - compatible
   - "#address-cells"