--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -334,6 +334,13 @@ config USB_OCTEON_EHCI
 	  USB 2.0 device support.  All CN6XXX based chips with USB are
 	  supported.
 
+config USB_EHCI_OXNAS
+	tristate "OXNAS EHCI Module"
+	depends on USB_EHCI_HCD && ARCH_OXNAS
+	select USB_EHCI_ROOT_HUB_TT
+	---help---
+	  Enable support for the OX820 SOC's on-chip EHCI controller.
+
 endif # USB_EHCI_HCD
 
 config USB_OXU210HP_HCD
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-
 obj-$(CONFIG_USB_EHCI_MSM)	+= ehci-msm.o
 obj-$(CONFIG_USB_EHCI_TEGRA)	+= ehci-tegra.o
 obj-$(CONFIG_USB_W90X900_EHCI)	+= ehci-w90x900.o
+obj-$(CONFIG_USB_EHCI_OXNAS)	+= ehci-oxnas.o
 
 obj-$(CONFIG_USB_OXU210HP_HCD)	+= oxu210hp-hcd.o
 obj-$(CONFIG_USB_ISP116X_HCD)	+= isp116x-hcd.o
--- a/arch/arm/boot/dts/ox820.dtsi
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -120,6 +120,22 @@
 			status = "disabled";
 		};
 
+		ehci: ehci@40200100 {
+			compatible = "plxtech,nas782x-ehci";
+			reg = <0x40200100 0xf00>;
+			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&stdclk CLK_820_USBMPH>, <&pllb>, <&stdclk CLK_820_REF600>;
+			clock-names = "usb", "refsrc", "phyref";
+			resets = <&reset RESET_USBHS>, <&reset RESET_USBPHYA>, <&reset RESET_USBPHYB>;
+			reset-names = "host", "phya", "phyb";
+			oxsemi,sys-ctrl = <&sys>;
+			/* Otherwise ref300 is used, which is derived from sata phy
+			 * in that case, usb depends on sata initialization */
+			/* FIXME: how to make this dependency explicit ? */
+			oxsemi,ehci_use_pllb;
+			status = "disabled";
+		};
+
 		apb-bridge@44000000 {
 			#address-cells = <1>;
 			#size-cells = <1>;