arm: mvebu: Add support for USB host controllers in Armada 370/XP

The Armada 370 and Armada XP SoC has an Orion EHCI USB controller.
This patch adds support for this controller in Armada 370
and Armada XP SoC common device tree files.

Cc: Lior Amsalem <[e-mail]>
Cc: Thomas Petazzoni <[e-mail]>
Tested-by: Nobuhiro Iwamatsu <[e-mail]>
Tested-by: Florian Fainelli <[e-mail]>
Signed-off-by: Gregory CLEMENT <[e-mail]>
Signed-off-by: Ezequiel Garcia <[e-mail]>
Signed-off-by: Jason Cooper <[e-mail]>

arch/arm/boot/dts/armada-370-xp.dtsi

···
 			clocks = <&gateclk 17>;
 			status = "disabled";
 		};
+
+		usb@d0050000 {
+			compatible = "marvell,orion-ehci";
+			reg = <0xd0050000 0x500>;
+			interrupts = <45>;
+			status = "disabled";
+		};
+
+		usb@d0051000 {
+			compatible = "marvell,orion-ehci";
+			reg = <0xd0051000 0x500>;
+			interrupts = <46>;
+			status = "disabled";
+		};
+
 	};
 };
 

arch/arm/boot/dts/armada-370.dtsi

···
 				dmacap,memset;
 			};
 		};
+
+		usb@d0050000 {
+			clocks = <&coreclk 0>;
+		};
+
+		usb@d0051000 {
+			clocks = <&coreclk 0>;
+		};
+
 	};
 };

arch/arm/boot/dts/armada-xp.dtsi

···
 				dmacap,memset;
 			};
 		};
+
+		usb@d0050000 {
+			clocks = <&gateclk 18>;
+		};
+
+		usb@d0051000 {
+			clocks = <&gateclk 19>;
+		};
+
+		usb@d0052000 {
+			compatible = "marvell,orion-ehci";
+			reg = <0xd0052000 0x500>;
+			interrupts = <47>;
+			clocks = <&gateclk 20>;
+			status = "disabled";
+		};
+
 	};
 };