ARM: shmobile: lager: enable internal PCI

Enable internal AHB-PCI bridges for the USB EHCI/OHCI controllers attached to
them.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Ian Molton <ian.molton@codethink.co.uk>
[Sergei: enabled PCI0]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7790-lager.dts

@@ -219,6 +219,21 @@ i2c3_pins: i2c3 {
 		renesas,groups = "i2c3";
 		renesas,function = "i2c3";
 	};
+
+	usb0_pins: usb0 {
+		renesas,groups = "usb0";
+		renesas,function = "usb0";
+	};
+
+	usb1_pins: usb1 {
+		renesas,groups = "usb1";
+		renesas,function = "usb1";
+	};
+
+	usb2_pins: usb2 {
+		renesas,groups = "usb2";
+		renesas,function = "usb2";
+	};
 };
 
 &ether {
@@ -368,3 +383,21 @@ vdd_dvfs: regulator@68 {
 		regulator-always-on;
 	};
 };
+
+&pci0 {
+	status = "okay";
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+};
+
+&pci1 {
+	status = "okay";
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+};
+
+&pci2 {
+	status = "okay";
+	pinctrl-0 = <&usb2_pins>;
+	pinctrl-names = "default";
+};