diff --git a/arch/arm/configs/at91cap9adk_defconfig b/arch/arm/configs/at91cap9adk_defconfig
index e32e73648129..39ca662c0793 100644
--- a/arch/arm/configs/at91cap9adk_defconfig
+++ b/arch/arm/configs/at91cap9adk_defconfig
@@ -907,7 +907,32 @@ CONFIG_USB_MON=y
 #
 # USB Gadget Support
 #
-# CONFIG_USB_GADGET is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_GADGETFS is not set
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
 CONFIG_MMC=y
 # CONFIG_MMC_DEBUG is not set
 # CONFIG_MMC_UNSAFE_RESUME is not set
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index be526746e01e..747b9dedab88 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -83,6 +83,105 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
 #endif
 
 
+/* --------------------------------------------------------------------
+ *  USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+	[0] = {
+		.start	= AT91CAP9_UDPHS_FIFO,
+		.end	= AT91CAP9_UDPHS_FIFO + SZ_512K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91CAP9_BASE_UDPHS,
+		.end	= AT91CAP9_BASE_UDPHS + SZ_1K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[2] = {
+		.start	= AT91CAP9_ID_UDPHS,
+		.end	= AT91CAP9_ID_UDPHS,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc)			\
+	[idx] = {						\
+		.name		= nam,				\
+		.index		= idx,				\
+		.fifo_size	= maxpkt,			\
+		.nr_banks	= maxbk,			\
+		.can_dma	= dma,				\
+		.can_isoc	= isoc,				\
+	}
+
+static struct usba_ep_data usba_udc_ep[] = {
+	EP("ep0", 0,   64, 1, 0, 0),
+	EP("ep1", 1, 1024, 3, 1, 1),
+	EP("ep2", 2, 1024, 3, 1, 1),
+	EP("ep3", 3, 1024, 2, 1, 1),
+	EP("ep4", 4, 1024, 2, 1, 1),
+	EP("ep5", 5, 1024, 2, 1, 0),
+	EP("ep6", 6, 1024, 2, 1, 0),
+	EP("ep7", 7, 1024, 2, 0, 0),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+	struct usba_platform_data pdata;
+	struct usba_ep_data ep[8];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+	.name		= "atmel_usba_udc",
+	.id		= -1,
+	.dev		= {
+				.platform_data	= &usba_udc_data.pdata,
+	},
+	.resource	= usba_udc_resources,
+	.num_resources	= ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+	at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS |
+					  AT91_MATRIX_UDPHS_BYPASS_LOCK);
+
+	/*
+	 * Invalid pins are 0 on AT91, but the usba driver is shared
+	 * with AVR32, which use negative values instead. Once/if
+	 * gpio_is_valid() is ported to AT91, revisit this code.
+	 */
+	usba_udc_data.pdata.vbus_pin = -EINVAL;
+	usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+	memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
+
+	if (data && data->vbus_pin > 0) {
+		at91_set_gpio_input(data->vbus_pin, 0);
+		at91_set_deglitch(data->vbus_pin, 1);
+		usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+	}
+
+	/* Pullup pin is handled internally by USB device peripheral */
+
+	/* Clocks */
+	at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
+	at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
+
+	platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
+
+
 /* --------------------------------------------------------------------
  *  Ethernet
  * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index e5512d1ff217..8a2a958639db 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -78,6 +78,12 @@ static struct at91_usbh_data __initdata cap9adk_usbh_data = {
 	.ports		= 2,
 };
 
+/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata cap9adk_usba_udc_data = {
+	.vbus_pin	= AT91_PIN_PB31,
+};
 
 /*
  * ADS7846 Touchscreen
@@ -326,6 +332,9 @@ static void __init cap9adk_board_init(void)
 	/* USB Host */
 	set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH);
 	at91_add_device_usbh(&cap9adk_usbh_data);
+	/* USB HS */
+	set_irq_type(AT91CAP9_ID_UDPHS, IRQT_HIGH);
+	at91_add_device_usba(&cap9adk_usba_udc_data);
 	/* SPI */
 	at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
 	/* Touchscreen */
diff --git a/include/asm-arm/arch-at91/at91cap9.h b/include/asm-arm/arch-at91/at91cap9.h
index bac83adb5050..6f14d9053ac7 100644
--- a/include/asm-arm/arch-at91/at91cap9.h
+++ b/include/asm-arm/arch-at91/at91cap9.h
@@ -118,7 +118,7 @@
 #define AT91CAP9_ROM_SIZE	(32 * SZ_1K)	/* Internal ROM size (32Kb) */
 
 #define AT91CAP9_LCDC_BASE	0x00500000	/* LCD Controller */
-#define AT91CAP9_UDPHS_BASE	0x00600000	/* USB High Speed Device Port */
+#define AT91CAP9_UDPHS_FIFO	0x00600000	/* USB High Speed Device Port */
 #define AT91CAP9_UHP_BASE	0x00700000	/* USB Host controller */
 
 #define CONFIG_DRAM_BASE	AT91_CHIPSELECT_6
diff --git a/include/asm-arm/arch-at91/at91cap9_matrix.h b/include/asm-arm/arch-at91/at91cap9_matrix.h
index a641686b6c3d..ddbd4873c842 100644
--- a/include/asm-arm/arch-at91/at91cap9_matrix.h
+++ b/include/asm-arm/arch-at91/at91cap9_matrix.h
@@ -106,6 +106,11 @@
 #define AT91_MPBS0_SFR		(AT91_MATRIX + 0x114)	/* MPBlock Slave 0 Special Function Register */
 #define AT91_MPBS1_SFR		(AT91_MATRIX + 0x11C)	/* MPBlock Slave 1 Special Function Register */
 
+#define AT91_MATRIX_UDPHS	(AT91_MATRIX + 0x118)	/* USBHS Special Function Register [AT91CAP9 only] */
+#define		AT91_MATRIX_SELECT_UDPHS	(0 << 31)	/* select High Speed UDP */
+#define		AT91_MATRIX_SELECT_UDP		(1 << 31)	/* select standard UDP */
+#define		AT91_MATRIX_UDPHS_BYPASS_LOCK	(1 << 30)	/* bypass lock bit */
+
 #define AT91_MATRIX_EBICSA	(AT91_MATRIX + 0x120)	/* EBI Chip Select Assignment Register */
 #define		AT91_MATRIX_EBI_CS1A		(1 << 1)	/* Chip Select 1 Assignment */
 #define			AT91_MATRIX_EBI_CS1A_SMC		(0 << 1)