Merge branch 'master' of git://www.denx.de/git/u-boot-dm

6 files changed, 391 insertions, 64 deletions

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 497b981129b..046ad8ca2bf 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -24,6 +24,10 @@
 #include "gadget_chips.h"
 #include "rndis.h"
 
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/device-internal.h>
+
 #define USB_NET_NAME "usb_ether"
 
 #define atomic_read
@@ -101,6 +105,9 @@ struct eth_dev {
 	struct usb_gadget	*gadget;
 	struct usb_request	*req;		/* for control responses */
 	struct usb_request	*stat_req;	/* for cdc & rndis status */
+#ifdef CONFIG_DM_USB
+	struct udevice		*usb_udev;
+#endif
 
 	u8			config;
 	struct usb_ep		*in_ep, *out_ep, *status_ep;
@@ -134,9 +141,14 @@ struct eth_dev {
  */
 
 /*-------------------------------------------------------------------------*/
-static struct eth_dev l_ethdev;
-static struct eth_device l_netdev;
-static struct usb_gadget_driver eth_driver;
+struct ether_priv {
+	struct eth_dev ethdev;
+	struct eth_device netdev;
+	struct usb_gadget_driver eth_driver;
+};
+
+struct ether_priv eth_priv;
+struct ether_priv *l_priv = &eth_priv;
 
 /*-------------------------------------------------------------------------*/
 
@@ -1135,7 +1147,7 @@ static void eth_status_complete(struct usb_ep *ep, struct usb_request *req)
 			event->bNotificationType, value);
 		if (event->bNotificationType ==
 				USB_CDC_NOTIFY_SPEED_CHANGE) {
-			l_ethdev.network_started = 1;
+			dev->network_started = 1;
 			printf("USB network up!\n");
 		}
 	}
@@ -1323,7 +1335,7 @@ eth_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 			 * that network is working. So we signalize it
 			 * here.
 			 */
-			l_ethdev.network_started = 1;
+			dev->network_started = 1;
 			debug("USB network up!\n");
 			goto done_set_intf;
 		}
@@ -1823,10 +1835,10 @@ static void rndis_control_ack_complete(struct usb_ep *ep,
 		debug("rndis control ack complete --> %d, %d/%d\n",
 			req->status, req->actual, req->length);
 
-	if (!l_ethdev.network_started) {
+	if (!dev->network_started) {
 		if (rndis_get_state(dev->rndis_config)
 				== RNDIS_DATA_INITIALIZED) {
-			l_ethdev.network_started = 1;
+			dev->network_started = 1;
 			printf("USB RNDIS network up!\n");
 		}
 	}
@@ -1841,7 +1853,8 @@ static char rndis_resp_buf[8] __attribute__((aligned(sizeof(__le32))));
 
 static int rndis_control_ack(struct eth_device *net)
 {
-	struct eth_dev		*dev = &l_ethdev;
+	struct ether_priv	*priv = (struct ether_priv *)net->priv;
+	struct eth_dev		*dev = &priv->ethdev;
 	int                     length;
 	struct usb_request      *resp = dev->stat_req;
 
@@ -1982,7 +1995,7 @@ static int get_ether_addr(const char *str, u8 *dev_addr)
 
 static int eth_bind(struct usb_gadget *gadget)
 {
-	struct eth_dev		*dev = &l_ethdev;
+	struct eth_dev		*dev = &l_priv->ethdev;
 	u8			cdc = 1, zlp = 1, rndis = 1;
 	struct usb_ep		*in_ep, *out_ep, *status_ep = NULL;
 	int			status = -ENOMEM;
@@ -2175,7 +2188,7 @@ autoconf_fail:
 
 
 	/* network device setup */
-	dev->net = &l_netdev;
+	dev->net = &l_priv->netdev;
 
 	dev->cdc = cdc;
 	dev->zlp = zlp;
@@ -2303,19 +2316,39 @@ fail:
 
 /*-------------------------------------------------------------------------*/
 
-static int usb_eth_init(struct eth_device *netdev, bd_t *bd)
+#ifdef CONFIG_DM_USB
+int dm_usb_init(struct eth_dev *e_dev)
 {
-	struct eth_dev *dev = &l_ethdev;
+	struct udevice *dev = NULL;
+	int ret;
+
+	ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &dev);
+	if (!dev || ret) {
+		error("No USB device found\n");
+		return -ENODEV;
+	}
+
+	e_dev->usb_udev = dev;
+
+	return ret;
+}
+#endif
+
+static int _usb_eth_init(struct ether_priv *priv)
+{
+	struct eth_dev *dev = &priv->ethdev;
 	struct usb_gadget *gadget;
 	unsigned long ts;
 	unsigned long timeout = USB_CONNECT_TIMEOUT;
 
-	if (!netdev) {
-		error("received NULL ptr");
-		goto fail;
+#ifdef CONFIG_DM_USB
+	if (dm_usb_init(dev)) {
+		error("USB ether not found\n");
+		return -ENODEV;
 	}
-
+#else
 	board_usb_init(0, USB_INIT_DEVICE);
+#endif
 
 	/* Configure default mac-addresses for the USB ethernet device */
 #ifdef CONFIG_USBNET_DEV_ADDR
@@ -2342,7 +2375,15 @@ static int usb_eth_init(struct eth_device *netdev, bd_t *bd)
 		goto fail;
 	}
 
-	if (usb_gadget_register_driver(&eth_driver) < 0)
+	priv->eth_driver.speed		= DEVSPEED;
+	priv->eth_driver.bind		= eth_bind;
+	priv->eth_driver.unbind		= eth_unbind;
+	priv->eth_driver.setup		= eth_setup;
+	priv->eth_driver.reset		= eth_disconnect;
+	priv->eth_driver.disconnect	= eth_disconnect;
+	priv->eth_driver.suspend	= eth_suspend;
+	priv->eth_driver.resume		= eth_resume;
+	if (usb_gadget_register_driver(&priv->eth_driver) < 0)
 		goto fail;
 
 	dev->network_started = 0;
@@ -2357,7 +2398,7 @@ static int usb_eth_init(struct eth_device *netdev, bd_t *bd)
 		timeout = simple_strtoul(getenv("cdc_connect_timeout"),
 						NULL, 10) * CONFIG_SYS_HZ;
 	ts = get_timer(0);
-	while (!l_ethdev.network_started) {
+	while (!dev->network_started) {
 		/* Handle control-c and timeouts */
 		if (ctrlc() || (get_timer(ts) > timeout)) {
 			error("The remote end did not respond in time.");
@@ -2373,11 +2414,11 @@ fail:
 	return -1;
 }
 
-static int usb_eth_send(struct eth_device *netdev, void *packet, int length)
+static int _usb_eth_send(struct ether_priv *priv, void *packet, int length)
 {
 	int			retval;
 	void			*rndis_pkt = NULL;
-	struct eth_dev		*dev = &l_ethdev;
+	struct eth_dev		*dev = &priv->ethdev;
 	struct usb_request	*req = dev->tx_req;
 	unsigned long ts;
 	unsigned long timeout = USB_CONNECT_TIMEOUT;
@@ -2442,34 +2483,16 @@ drop:
 	return -ENOMEM;
 }
 
-static int usb_eth_recv(struct eth_device *netdev)
+static int _usb_eth_recv(struct ether_priv *priv)
 {
-	struct eth_dev *dev = &l_ethdev;
-
 	usb_gadget_handle_interrupts(0);
 
-	if (packet_received) {
-		debug("%s: packet received\n", __func__);
-		if (dev->rx_req) {
-			net_process_received_packet(net_rx_packets[0],
-						    dev->rx_req->length);
-			packet_received = 0;
-
-			rx_submit(dev, dev->rx_req, 0);
-		} else
-			error("dev->rx_req invalid");
-	}
 	return 0;
 }
 
-void usb_eth_halt(struct eth_device *netdev)
+void _usb_eth_halt(struct ether_priv *priv)
 {
-	struct eth_dev *dev = &l_ethdev;
-
-	if (!netdev) {
-		error("received NULL ptr");
-		return;
-	}
+	struct eth_dev *dev = &priv->ethdev;
 
 	/* If the gadget not registered, simple return */
 	if (!dev->gadget)
@@ -2496,27 +2519,65 @@ void usb_eth_halt(struct eth_device *netdev)
 		dev->network_started = 0;
 	}
 
-	usb_gadget_unregister_driver(&eth_driver);
+	usb_gadget_unregister_driver(&priv->eth_driver);
+#ifdef CONFIG_DM_USB
+	device_remove(dev->usb_udev);
+#else
 	board_usb_cleanup(0, USB_INIT_DEVICE);
+#endif
+}
+
+static int usb_eth_init(struct eth_device *netdev, bd_t *bd)
+{
+	struct ether_priv *priv = (struct ether_priv *)netdev->priv;
+
+	return _usb_eth_init(priv);
 }
 
-static struct usb_gadget_driver eth_driver = {
-	.speed		= DEVSPEED,
+static int usb_eth_send(struct eth_device *netdev, void *packet, int length)
+{
+	struct ether_priv	*priv = (struct ether_priv *)netdev->priv;
 
-	.bind		= eth_bind,
-	.unbind		= eth_unbind,
+	return _usb_eth_send(priv, packet, length);
+}
 
-	.setup		= eth_setup,
-	.reset		= eth_disconnect,
-	.disconnect	= eth_disconnect,
+static int usb_eth_recv(struct eth_device *netdev)
+{
+	struct ether_priv *priv = (struct ether_priv *)netdev->priv;
+	struct eth_dev *dev = &priv->ethdev;
+	int ret;
+
+	ret = _usb_eth_recv(priv);
+	if (ret) {
+		error("error packet receive\n");
+		return ret;
+	}
 
-	.suspend	= eth_suspend,
-	.resume		= eth_resume,
-};
+	if (!packet_received)
+		return 0;
+
+	if (dev->rx_req) {
+		net_process_received_packet(net_rx_packets[0],
+					    dev->rx_req->length);
+	} else {
+		error("dev->rx_req invalid");
+	}
+	packet_received = 0;
+	rx_submit(dev, dev->rx_req, 0);
+
+	return 0;
+}
+
+void usb_eth_halt(struct eth_device *netdev)
+{
+	struct ether_priv *priv = (struct ether_priv *)netdev->priv;
+
+	_usb_eth_halt(priv);
+}
 
 int usb_eth_initialize(bd_t *bi)
 {
-	struct eth_device *netdev = &l_netdev;
+	struct eth_device *netdev = &l_priv->netdev;
 
 	strlcpy(netdev->name, USB_NET_NAME, sizeof(netdev->name));
 
@@ -2524,6 +2585,7 @@ int usb_eth_initialize(bd_t *bi)
 	netdev->send = usb_eth_send;
 	netdev->recv = usb_eth_recv;
 	netdev->halt = usb_eth_halt;
+	netdev->priv = l_priv;
 
 #ifdef CONFIG_MCAST_TFTP
   #error not supported
diff --git a/drivers/usb/musb-new/Kconfig b/drivers/usb/musb-new/Kconfig
index c264859b6c0..caba42c26fc 100644
--- a/drivers/usb/musb-new/Kconfig
+++ b/drivers/usb/musb-new/Kconfig
@@ -14,6 +14,15 @@ config USB_MUSB_GADGET
 	help
 	  Enables the MUSB USB dual-role controller in gadget mode.
 
+config USB_MUSB_TI
+	bool "Enable TI OTG USB controller"
+	depends on DM_USB
+	default n
+	help
+	  Say y here to enable support for the dual role high
+	  speed USB controller based on the Mentor Graphics
+	  silicon IP.
+
 if USB_MUSB_HOST || USB_MUSB_GADGET
 
 config USB_MUSB_PIC32
diff --git a/drivers/usb/musb-new/Makefile b/drivers/usb/musb-new/Makefile
index df1c3c8a45b..296f230fbf3 100644
--- a/drivers/usb/musb-new/Makefile
+++ b/drivers/usb/musb-new/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o
 obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
 obj-$(CONFIG_USB_MUSB_PIC32) += pic32.o
 obj-$(CONFIG_USB_MUSB_SUNXI) += sunxi.o
+obj-$(CONFIG_USB_MUSB_TI) += ti-musb.o
 
 ccflags-y := $(call cc-option,-Wno-unused-variable) \
 		$(call cc-option,-Wno-unused-but-set-variable) \
diff --git a/drivers/usb/musb-new/am35x.c b/drivers/usb/musb-new/am35x.c
index b8791ddd5c1..0167ea77970 100644
--- a/drivers/usb/musb-new/am35x.c
+++ b/drivers/usb/musb-new/am35x.c
@@ -336,7 +336,7 @@ eoi:
 	if (ret == IRQ_HANDLED || epintr || usbintr) {
 		/* clear level interrupt */
 		if (data->clear_irq)
-			data->clear_irq();
+			data->clear_irq(data->dev);
 		/* write EOI */
 		musb_writel(reg_base, USB_END_OF_INTR_REG, 0);
 	}
@@ -401,14 +401,14 @@ static int am35x_musb_init(struct musb *musb)
 
 	/* Reset the musb */
 	if (data->reset)
-		data->reset();
+		data->reset(data->dev);
 
 	/* Reset the controller */
 	musb_writel(reg_base, USB_CTRL_REG, AM35X_SOFT_RESET_MASK);
 
 	/* Start the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(1);
+		data->set_phy_power(data->dev, 1);
 
 	msleep(5);
 
@@ -416,7 +416,7 @@ static int am35x_musb_init(struct musb *musb)
 
 	/* clear level interrupt */
 	if (data->clear_irq)
-		data->clear_irq();
+		data->clear_irq(data->dev);
 
 	return 0;
 }
@@ -439,7 +439,7 @@ static int am35x_musb_exit(struct musb *musb)
 
 	/* Shutdown the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(0);
+		data->set_phy_power(data->dev, 0);
 
 #ifndef __UBOOT__
 	usb_put_phy(musb->xceiv);
@@ -630,7 +630,7 @@ static int am35x_suspend(struct device *dev)
 
 	/* Shutdown the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(0);
+		data->set_phy_power(data->dev, 0);
 
 	clk_disable(glue->phy_clk);
 	clk_disable(glue->clk);
@@ -647,7 +647,7 @@ static int am35x_resume(struct device *dev)
 
 	/* Start the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(1);
+		data->set_phy_power(data->dev, 1);
 
 	ret = clk_enable(glue->phy_clk);
 	if (ret) {
diff --git a/drivers/usb/musb-new/musb_dsps.c b/drivers/usb/musb-new/musb_dsps.c
index a71db76d7c7..399b85bbce8 100644
--- a/drivers/usb/musb-new/musb_dsps.c
+++ b/drivers/usb/musb-new/musb_dsps.c
@@ -452,7 +452,7 @@ static int dsps_musb_init(struct musb *musb)
 
 	/* Start the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(1);
+		data->set_phy_power(data->dev, 1);
 
 	musb->isr = dsps_interrupt;
 
@@ -493,7 +493,7 @@ static int dsps_musb_exit(struct musb *musb)
 
 	/* Shutdown the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(0);
+		data->set_phy_power(data->dev, 0);
 
 #ifndef __UBOOT__
 	/* NOP driver needs change if supporting dual instance */
@@ -693,7 +693,7 @@ static int dsps_suspend(struct device *dev)
 
 	/* Shutdown the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(0);
+		data->set_phy_power(data->dev, 0);
 
 	return 0;
 }
@@ -705,7 +705,7 @@ static int dsps_resume(struct device *dev)
 
 	/* Start the on-chip PHY and its PLL. */
 	if (data->set_phy_power)
-		data->set_phy_power(1);
+		data->set_phy_power(data->dev, 1);
 
 	return 0;
 }
diff --git a/drivers/usb/musb-new/ti-musb.c b/drivers/usb/musb-new/ti-musb.c
new file mode 100644
index 00000000000..1c15aa2a427
--- /dev/null
+++ b/drivers/usb/musb-new/ti-musb.c
@@ -0,0 +1,255 @@
+/*
+ * MISC driver for TI MUSB Glue.
+ *
+ * (C) Copyright 2016
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#include <common.h>
+#include <command.h>
+#include <console.h>
+#include <dm.h>
+#include <linux/usb/otg.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+
+#include <asm/io.h>
+#include <asm/omap_musb.h>
+#include "musb_uboot.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_DM_USB
+
+/* USB 2.0 PHY Control */
+#define CM_PHY_PWRDN			(1 << 0)
+#define CM_PHY_OTG_PWRDN		(1 << 1)
+#define OTGVDET_EN			(1 << 19)
+#define OTGSESSENDEN			(1 << 20)
+
+#define AM335X_USB1_CTRL	0x8
+
+struct ti_musb_platdata {
+	void *base;
+	void *ctrl_mod_base;
+	struct musb_hdrc_platform_data plat;
+	struct musb_hdrc_config musb_config;
+	struct omap_musb_board_data otg_board_data;
+};
+
+static int ti_musb_get_usb_index(int node)
+{
+	const void *fdt = gd->fdt_blob;
+	int i = 0;
+	char path[64];
+	const char *alias_path;
+	char alias[16];
+
+	fdt_get_path(fdt, node, path, sizeof(path));
+
+	do {
+		snprintf(alias, sizeof(alias), "usb%d", i);
+		alias_path = fdt_get_alias(fdt, alias);
+		if (alias_path == NULL) {
+			debug("USB index not found\n");
+			return -ENOENT;
+		}
+
+		if (!strcmp(path, alias_path))
+			return i;
+
+		i++;
+	} while (alias_path);
+
+	return -ENOENT;
+}
+
+static void ti_musb_set_phy_power(struct udevice *dev, u8 on)
+{
+	struct ti_musb_platdata *platdata = dev_get_platdata(dev);
+
+	if (on) {
+		clrsetbits_le32(platdata->ctrl_mod_base,
+				CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
+				OTGVDET_EN | OTGSESSENDEN);
+	} else {
+		clrsetbits_le32(platdata->ctrl_mod_base, 0,
+				CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
+	}
+}
+
+static int ti_musb_ofdata_to_platdata(struct udevice *dev)
+{
+	struct ti_musb_platdata *platdata = dev_get_platdata(dev);
+	const void *fdt = gd->fdt_blob;
+	int node = dev->of_offset;
+	int phys;
+	int ctrl_mod;
+	int usb_index;
+
+	platdata->base = (void *)dev_get_addr_index(dev, 1);
+
+	phys = fdtdec_lookup_phandle(fdt, node, "phys");
+	ctrl_mod = fdtdec_lookup_phandle(fdt, phys, "ti,ctrl_mod");
+	platdata->ctrl_mod_base = (void *)fdtdec_get_addr(fdt, ctrl_mod, "reg");
+	usb_index = ti_musb_get_usb_index(node);
+	switch (usb_index) {
+	case 1:
+		platdata->ctrl_mod_base += AM335X_USB1_CTRL;
+	case 0:
+	default:
+		break;
+	}
+
+	platdata->musb_config.multipoint = fdtdec_get_int(fdt, node,
+							  "mentor,multipoint",
+							  -1);
+	if (platdata->musb_config.multipoint < 0) {
+		error("MUSB multipoint DT entry missing\n");
+		return -ENOENT;
+	}
+
+	platdata->musb_config.dyn_fifo = 1;
+
+	platdata->musb_config.num_eps = fdtdec_get_int(fdt, node,
+						       "mentor,num-eps", -1);
+	if (platdata->musb_config.num_eps < 0) {
+		error("MUSB num-eps DT entry missing\n");
+		return -ENOENT;
+	}
+
+	platdata->musb_config.ram_bits = fdtdec_get_int(fdt, node,
+							"mentor,ram-bits", -1);
+	if (platdata->musb_config.ram_bits < 0) {
+		error("MUSB ram-bits DT entry missing\n");
+		return -ENOENT;
+	}
+
+	platdata->otg_board_data.set_phy_power = ti_musb_set_phy_power;
+	platdata->otg_board_data.dev = dev;
+	platdata->plat.config = &platdata->musb_config;
+
+	platdata->plat.power = fdtdec_get_int(fdt, node, "mentor,power", -1);
+	if (platdata->plat.power < 0) {
+		error("MUSB mentor,power DT entry missing\n");
+		return -ENOENT;
+	}
+
+	platdata->plat.platform_ops = &musb_dsps_ops;
+	platdata->plat.board_data = &platdata->otg_board_data;
+
+	return 0;
+}
+
+static int ti_musb_host_probe(struct udevice *dev)
+{
+	struct musb_host_data *host = dev_get_priv(dev);
+	struct ti_musb_platdata *platdata = dev_get_platdata(dev);
+	struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+	struct omap_musb_board_data *otg_board_data;
+	int ret;
+
+	priv->desc_before_addr = true;
+
+	otg_board_data = &platdata->otg_board_data;
+
+	host->host = musb_init_controller(&platdata->plat,
+					  (struct device *)otg_board_data,
+					  platdata->base);
+	if (!host->host)
+		return -EIO;
+
+	ret = musb_lowlevel_init(host);
+
+	return ret;
+}
+
+static int ti_musb_host_remove(struct udevice *dev)
+{
+	struct musb_host_data *host = dev_get_priv(dev);
+
+	musb_stop(host->host);
+
+	return 0;
+}
+
+static int ti_musb_host_ofdata_to_platdata(struct udevice *dev)
+{
+	struct ti_musb_platdata *platdata = dev_get_platdata(dev);
+	const void *fdt = gd->fdt_blob;
+	int node = dev->of_offset;
+	int ret;
+
+	ret = ti_musb_ofdata_to_platdata(dev);
+	if (ret) {
+		error("platdata dt parse error\n");
+		return ret;
+	}
+
+	platdata->plat.mode = MUSB_HOST;
+
+	return 0;
+}
+
+U_BOOT_DRIVER(ti_musb_host) = {
+	.name	= "ti-musb-host",
+	.id	= UCLASS_USB,
+	.ofdata_to_platdata = ti_musb_host_ofdata_to_platdata,
+	.probe = ti_musb_host_probe,
+	.remove = ti_musb_host_remove,
+	.ops	= &musb_usb_ops,
+	.platdata_auto_alloc_size = sizeof(struct ti_musb_platdata),
+	.priv_auto_alloc_size = sizeof(struct musb_host_data),
+};
+
+static int ti_musb_wrapper_bind(struct udevice *parent)
+{
+	const void *fdt = gd->fdt_blob;
+	int node;
+	int ret;
+
+	for (node = fdt_first_subnode(fdt, parent->of_offset); node > 0;
+	     node = fdt_next_subnode(fdt, node)) {
+		struct udevice *dev;
+		const char *name = fdt_get_name(fdt, node, NULL);
+		enum usb_dr_mode dr_mode;
+		struct driver *drv;
+
+		if (strncmp(name, "usb@", 4))
+			continue;
+
+		dr_mode = usb_get_dr_mode(node);
+		switch (dr_mode) {
+		case USB_DR_MODE_PERIPHERAL:
+			/* Bind MUSB device */
+			break;
+		case USB_DR_MODE_HOST:
+			/* Bind MUSB host */
+			ret = device_bind_driver_to_node(parent, "ti-musb-host",
+							 name, node, &dev);
+			if (ret) {
+				error("musb - not able to bind usb host node\n");
+				return ret;
+			}
+			break;
+		default:
+			break;
+		};
+	}
+	return 0;
+}
+
+static const struct udevice_id ti_musb_ids[] = {
+	{ .compatible = "ti,am33xx-usb" },
+	{ }
+};
+
+U_BOOT_DRIVER(ti_musb_wrapper) = {
+	.name	= "ti-musb-wrapper",
+	.id	= UCLASS_MISC,
+	.of_match = ti_musb_ids,
+	.bind = ti_musb_wrapper_bind,
+};
+
+#endif /* CONFIG_DM_USB */