arm: mvebu: add PCIe Device Tree informations for Armada 370

The Armada 370 SoC has two 1x PCIe 2.0 interfaces, so we add the
necessary Device Tree informations to make these interfaces availabel.
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

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

@@ -159,5 +159,57 @@
 			       0xd0018304 0x4>;
 			status = "okay";
 		};
+
+		pcie-controller {
+			compatible = "marvell,armada-370-pcie";
+			status = "disabled";
+			device_type = "pci";
+
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			bus-range = <0x00 0xff>;
+
+			reg = <0xd0040000 0x2000>, <0xd0080000 0x2000>;
+
+			reg-names = "pcie0.0", "pcie1.0";
+
+			ranges = <0x82000000 0 0xd0040000 0xd0040000 0 0x00002000   /* Port 0.0 registers */
+				  0x82000000 0 0xd0080000 0xd0080000 0 0x00002000   /* Port 1.0 registers */
+				  0x82000000 0 0xe0000000 0xe0000000 0 0x08000000   /* non-prefetchable memory */
+			          0x81000000 0 0          0xe8000000 0 0x00100000>; /* downstream I/O */
+
+			pcie@1,0 {
+				device_type = "pci";
+				assigned-addresses = <0x82000800 0 0xd0040000 0 0x2000>;
+				reg = <0x0800 0 0 0 0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				#interrupt-cells = <1>;
+				ranges;
+				interrupt-map-mask = <0 0 0 0>;
+				interrupt-map = <0 0 0 0 &mpic 58>;
+				marvell,pcie-port = <0>;
+				marvell,pcie-lane = <0>;
+				clocks = <&gateclk 5>;
+				status = "disabled";
+			};
+
+			pcie@2,0 {
+				device_type = "pci";
+				assigned-addresses = <0x82002800 0 0xd0080000 0 0x2000>;
+				reg = <0x1000 0 0 0 0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				#interrupt-cells = <1>;
+				ranges;
+				interrupt-map-mask = <0 0 0 0>;
+				interrupt-map = <0 0 0 0 &mpic 62>;
+				marvell,pcie-port = <1>;
+				marvell,pcie-lane = <0>;
+				clocks = <&gateclk 9>;
+				status = "disabled";
+			};
+		};
 	};
 };