dt-bindings: update usb-c-connector example

Some hardware designs have USB typec connector attached to both
SoC and super speed mux. We need to use separate connector node for
such design.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20200920134905.4370-2-biju.das.jz@bp.renesas.comSigned-off-by: Rob Herring <robh@kernel.org>

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

@@ -11,7 +11,8 @@ maintainers:
 
 description:
   A USB connector node represents a physical USB connector. It should be a child
-  of a USB interface controller.
+  of a USB interface controller or a separate node when it is attached to both
+  MUX and USB interface controller.
 
 properties:
   compatible:
@@ -237,6 +238,33 @@ examples:
       };
     };
 
+  # USB-C connector attached to SoC and USB3 typec port controller(hd3ss3220)
+  # with SS 2:1 MUX. HS lines routed to SoC, SS lines routed to the MUX and
+  # the output of MUX is connected to the SoC.
+  - |
+    connector {
+        compatible = "usb-c-connector";
+        label = "USB-C";
+        data-role = "dual";
+
+        ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                port@0 {
+                        reg = <0>;
+                        hs_ep: endpoint {
+                                remote-endpoint = <&usb3_hs_ep>;
+                        };
+                };
+                port@1 {
+                        reg = <1>;
+                        ss_ep: endpoint {
+                                remote-endpoint = <&hd3ss3220_in_ep>;
+                        };
+                };
+        };
+    };
+
   # USB connector with GPIO control lines
   - |
     #include <dt-bindings/gpio/gpio.h>