net: phy: Add 2000base-x, 2500base-x and rxaui modes

The mv88e6390 ports 9 and 10 supports some additional PHY modes. Add
these modes to the PHY core so they can be used in the binding.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/ethernet.txt

@@ -29,6 +29,9 @@ The following properties are common to the Ethernet controllers:
   * "smii"
   * "xgmii"
   * "trgmii"
+  * "2000base-x",
+  * "2500base-x",
+  * "rxaui"
 - phy-connection-type: the same as "phy-mode" property but described in ePAPR;
 - phy-handle: phandle, specifies a reference to a node representing a PHY
   device; this property is described in ePAPR and so preferred;

include/linux/phy.h

@@ -81,6 +81,9 @@ typedef enum {
 	PHY_INTERFACE_MODE_MOCA,
 	PHY_INTERFACE_MODE_QSGMII,
 	PHY_INTERFACE_MODE_TRGMII,
+	PHY_INTERFACE_MODE_1000BASEX,
+	PHY_INTERFACE_MODE_2500BASEX,
+	PHY_INTERFACE_MODE_RXAUI,
 	PHY_INTERFACE_MODE_MAX,
 } phy_interface_t;
 
@@ -141,6 +144,12 @@ static inline const char *phy_modes(phy_interface_t interface)
 		return "qsgmii";
 	case PHY_INTERFACE_MODE_TRGMII:
 		return "trgmii";
+	case PHY_INTERFACE_MODE_1000BASEX:
+		return "1000base-x";
+	case PHY_INTERFACE_MODE_2500BASEX:
+		return "2500base-x";
+	case PHY_INTERFACE_MODE_RXAUI:
+		return "rxaui";
 	default:
 		return "unknown";
 	}