ARM: mvebu: Add support for I2C controllers in Armada 370/XP

The Armada 370 and Armada XP have the same I2C controllers as previous
Marvell SoCs, so the existing mv64xxx-i2c driver works fine.

[Thomas Petazzoni: updated on top of other Armada 370/XP changes,
rephrased the commit log].
Signed-off-by: NNobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>

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

@@ -101,6 +101,28 @@
 				clocks = <&gateclk 3>;
 				status = "disabled";
 		};
+
+		i2c0: i2c@d0011000 {
+			compatible = "marvell,mv64xxx-i2c";
+			reg = <0xd0011000 0x20>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <31>;
+			timeout-ms = <1000>;
+			clocks = <&coreclk 0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@d0011100 {
+			compatible = "marvell,mv64xxx-i2c";
+			reg = <0xd0011100 0x20>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <32>;
+			timeout-ms = <1000>;
+			clocks = <&coreclk 0>;
+			status = "disabled";
+		};
 	};
 };