dt-bindings: connector: Convert Samsung 11-pin USB bindings to dtschema

Add Samsung 11-pin USB-C connector into standard dtschema bindings file.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200829142501.31478-5-krzk@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/connector/samsung,usb-connector-11pin.txt

-Samsung micro-USB 11-pin connector
-==================================
-
-Samsung micro-USB 11-pin connector is an extension of micro-USB connector.
-It is present in multiple Samsung mobile devices.
-It has additional pins to route MHL traffic simultanously with USB.
-
-The bindings are superset of usb-connector bindings for micro-USB connector[1].
-
-Required properties:
-- compatible: must be: "samsung,usb-connector-11pin", "usb-b-connector",
-- type: must be "micro".
-
-Required nodes:
-- any data bus to the connector should be modeled using the OF graph bindings
-  specified in bindings/graph.txt, unless the bus is between parent node and
-  the connector. Since single connector can have multpile data buses every bus
-  has assigned OF graph port number as follows:
-    0: High Speed (HS),
-    3: Mobile High-Definition Link (MHL), specific to 11-pin Samsung micro-USB.
-
-[1]: bindings/connector/usb-connector.yaml
-
-Example
--------
-
-Micro-USB connector with HS lines routed via controller (MUIC) and MHL lines
-connected to HDMI-MHL bridge (sii8620):
-
-muic-max77843@66 {
-	...
-	usb_con: connector {
-		compatible = "samsung,usb-connector-11pin", "usb-b-connector";
-		label = "micro-USB";
-		type = "micro";
-
-		ports {
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			port@3 {
-				reg = <3>;
-				usb_con_mhl: endpoint {
-					remote-endpoint = <&sii8620_mhl>;
-				};
-			};
-		};
-	};
-};

Documentation/devicetree/bindings/connector/usb-connector.yaml

@@ -25,6 +25,10 @@ properties:
           - const: gpio-usb-b-connector
           - const: usb-b-connector
 
+      - items:
+          - const: samsung,usb-connector-11pin
+          - const: usb-b-connector
+
   label:
     description: Symbolic name for the connector.
 
@@ -158,6 +162,16 @@ allOf:
         - required:
             - id-gpios
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,usb-connector-11pin
+    then:
+      properties:
+        type:
+          const: micro
+
 examples:
   # Micro-USB connector with HS lines routed via controller (MUIC).
   - |
@@ -233,3 +247,33 @@ examples:
         vbus-supply = <&usb_p0_vbus>;
       };
     };
+
+  # Micro-USB connector with HS lines routed via controller (MUIC) and MHL
+  # lines connected to HDMI-MHL bridge (sii8620) on Samsung Exynos5433-based
+  # mobile phone
+  - |
+    muic-max77843 {
+      usb_con4: connector {
+        compatible = "samsung,usb-connector-11pin", "usb-b-connector";
+        label = "micro-USB";
+        type = "micro";
+
+        ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          port@0 {
+            reg = <0>;
+            muic_to_usb: endpoint {
+              remote-endpoint = <&usb_to_muic>;
+            };
+          };
+          port@3 {
+            reg = <3>;
+            usb_con_mhl: endpoint {
+              remote-endpoint = <&sii8620_mhl>;
+            };
+          };
+        };
+      };
+    };