1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2de31213fSSimon Glass /*
3de31213fSSimon Glass * (C) Copyright 2015 Google, Inc
4de31213fSSimon Glass * Written by Simon Glass <sjg@chromium.org>
5de31213fSSimon Glass *
60566e240SSimon Glass * usb_match_device() modified from Linux kernel v4.0.
7de31213fSSimon Glass */
8de31213fSSimon Glass
9de31213fSSimon Glass #include <common.h>
10de31213fSSimon Glass #include <dm.h>
11de31213fSSimon Glass #include <errno.h>
12cf92e05cSSimon Glass #include <memalign.h>
13de31213fSSimon Glass #include <usb.h>
14de31213fSSimon Glass #include <dm/device-internal.h>
15de31213fSSimon Glass #include <dm/lists.h>
16de31213fSSimon Glass #include <dm/uclass-internal.h>
17de31213fSSimon Glass
18de31213fSSimon Glass extern bool usb_started; /* flag for the started/stopped USB status */
19de31213fSSimon Glass static bool asynch_allowed;
20de31213fSSimon Glass
21e253637bSHans de Goede struct usb_uclass_priv {
22e253637bSHans de Goede int companion_device_count;
23e253637bSHans de Goede };
24e253637bSHans de Goede
usb_disable_asynch(int disable)25de31213fSSimon Glass int usb_disable_asynch(int disable)
26de31213fSSimon Glass {
27de31213fSSimon Glass int old_value = asynch_allowed;
28de31213fSSimon Glass
29de31213fSSimon Glass asynch_allowed = !disable;
30de31213fSSimon Glass return old_value;
31de31213fSSimon Glass }
32de31213fSSimon Glass
submit_int_msg(struct usb_device * udev,unsigned long pipe,void * buffer,int length,int interval)33de31213fSSimon Glass int submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
34de31213fSSimon Glass int length, int interval)
35de31213fSSimon Glass {
36de31213fSSimon Glass struct udevice *bus = udev->controller_dev;
37de31213fSSimon Glass struct dm_usb_ops *ops = usb_get_ops(bus);
38de31213fSSimon Glass
39de31213fSSimon Glass if (!ops->interrupt)
40de31213fSSimon Glass return -ENOSYS;
41de31213fSSimon Glass
42de31213fSSimon Glass return ops->interrupt(bus, udev, pipe, buffer, length, interval);
43de31213fSSimon Glass }
44de31213fSSimon Glass
submit_control_msg(struct usb_device * udev,unsigned long pipe,void * buffer,int length,struct devrequest * setup)45de31213fSSimon Glass int submit_control_msg(struct usb_device *udev, unsigned long pipe,
46de31213fSSimon Glass void *buffer, int length, struct devrequest *setup)
47de31213fSSimon Glass {
48de31213fSSimon Glass struct udevice *bus = udev->controller_dev;
49de31213fSSimon Glass struct dm_usb_ops *ops = usb_get_ops(bus);
50e253637bSHans de Goede struct usb_uclass_priv *uc_priv = bus->uclass->priv;
51e253637bSHans de Goede int err;
52de31213fSSimon Glass
53de31213fSSimon Glass if (!ops->control)
54de31213fSSimon Glass return -ENOSYS;
55de31213fSSimon Glass
56e253637bSHans de Goede err = ops->control(bus, udev, pipe, buffer, length, setup);
57e253637bSHans de Goede if (setup->request == USB_REQ_SET_FEATURE &&
58e253637bSHans de Goede setup->requesttype == USB_RT_PORT &&
59e253637bSHans de Goede setup->value == cpu_to_le16(USB_PORT_FEAT_RESET) &&
60e253637bSHans de Goede err == -ENXIO) {
61e253637bSHans de Goede /* Device handed over to companion after port reset */
62e253637bSHans de Goede uc_priv->companion_device_count++;
63e253637bSHans de Goede }
64e253637bSHans de Goede
65e253637bSHans de Goede return err;
66de31213fSSimon Glass }
67de31213fSSimon Glass
submit_bulk_msg(struct usb_device * udev,unsigned long pipe,void * buffer,int length)68de31213fSSimon Glass int submit_bulk_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
69de31213fSSimon Glass int length)
70de31213fSSimon Glass {
71de31213fSSimon Glass struct udevice *bus = udev->controller_dev;
72de31213fSSimon Glass struct dm_usb_ops *ops = usb_get_ops(bus);
73de31213fSSimon Glass
74de31213fSSimon Glass if (!ops->bulk)
75de31213fSSimon Glass return -ENOSYS;
76de31213fSSimon Glass
77de31213fSSimon Glass return ops->bulk(bus, udev, pipe, buffer, length);
78de31213fSSimon Glass }
79de31213fSSimon Glass
create_int_queue(struct usb_device * udev,unsigned long pipe,int queuesize,int elementsize,void * buffer,int interval)808a5f0665SHans de Goede struct int_queue *create_int_queue(struct usb_device *udev,
818a5f0665SHans de Goede unsigned long pipe, int queuesize, int elementsize,
828a5f0665SHans de Goede void *buffer, int interval)
838a5f0665SHans de Goede {
848a5f0665SHans de Goede struct udevice *bus = udev->controller_dev;
858a5f0665SHans de Goede struct dm_usb_ops *ops = usb_get_ops(bus);
868a5f0665SHans de Goede
878a5f0665SHans de Goede if (!ops->create_int_queue)
888a5f0665SHans de Goede return NULL;
898a5f0665SHans de Goede
908a5f0665SHans de Goede return ops->create_int_queue(bus, udev, pipe, queuesize, elementsize,
918a5f0665SHans de Goede buffer, interval);
928a5f0665SHans de Goede }
938a5f0665SHans de Goede
poll_int_queue(struct usb_device * udev,struct int_queue * queue)948a5f0665SHans de Goede void *poll_int_queue(struct usb_device *udev, struct int_queue *queue)
958a5f0665SHans de Goede {
968a5f0665SHans de Goede struct udevice *bus = udev->controller_dev;
978a5f0665SHans de Goede struct dm_usb_ops *ops = usb_get_ops(bus);
988a5f0665SHans de Goede
998a5f0665SHans de Goede if (!ops->poll_int_queue)
1008a5f0665SHans de Goede return NULL;
1018a5f0665SHans de Goede
1028a5f0665SHans de Goede return ops->poll_int_queue(bus, udev, queue);
1038a5f0665SHans de Goede }
1048a5f0665SHans de Goede
destroy_int_queue(struct usb_device * udev,struct int_queue * queue)1058a5f0665SHans de Goede int destroy_int_queue(struct usb_device *udev, struct int_queue *queue)
1068a5f0665SHans de Goede {
1078a5f0665SHans de Goede struct udevice *bus = udev->controller_dev;
1088a5f0665SHans de Goede struct dm_usb_ops *ops = usb_get_ops(bus);
1098a5f0665SHans de Goede
1108a5f0665SHans de Goede if (!ops->destroy_int_queue)
1118a5f0665SHans de Goede return -ENOSYS;
1128a5f0665SHans de Goede
1138a5f0665SHans de Goede return ops->destroy_int_queue(bus, udev, queue);
1148a5f0665SHans de Goede }
1158a5f0665SHans de Goede
usb_alloc_device(struct usb_device * udev)116de31213fSSimon Glass int usb_alloc_device(struct usb_device *udev)
117de31213fSSimon Glass {
118de31213fSSimon Glass struct udevice *bus = udev->controller_dev;
119de31213fSSimon Glass struct dm_usb_ops *ops = usb_get_ops(bus);
120de31213fSSimon Glass
121de31213fSSimon Glass /* This is only requird by some controllers - current XHCI */
122de31213fSSimon Glass if (!ops->alloc_device)
123de31213fSSimon Glass return 0;
124de31213fSSimon Glass
125de31213fSSimon Glass return ops->alloc_device(bus, udev);
126de31213fSSimon Glass }
127de31213fSSimon Glass
usb_reset_root_port(struct usb_device * udev)128b2f219b0SHans de Goede int usb_reset_root_port(struct usb_device *udev)
129b2f219b0SHans de Goede {
130b2f219b0SHans de Goede struct udevice *bus = udev->controller_dev;
131b2f219b0SHans de Goede struct dm_usb_ops *ops = usb_get_ops(bus);
132b2f219b0SHans de Goede
133b2f219b0SHans de Goede if (!ops->reset_root_port)
134b2f219b0SHans de Goede return -ENOSYS;
135b2f219b0SHans de Goede
136b2f219b0SHans de Goede return ops->reset_root_port(bus, udev);
137b2f219b0SHans de Goede }
138b2f219b0SHans de Goede
usb_update_hub_device(struct usb_device * udev)1399ca1b4baSBin Meng int usb_update_hub_device(struct usb_device *udev)
1409ca1b4baSBin Meng {
1419ca1b4baSBin Meng struct udevice *bus = udev->controller_dev;
1429ca1b4baSBin Meng struct dm_usb_ops *ops = usb_get_ops(bus);
1439ca1b4baSBin Meng
1449ca1b4baSBin Meng if (!ops->update_hub_device)
1459ca1b4baSBin Meng return -ENOSYS;
1469ca1b4baSBin Meng
1479ca1b4baSBin Meng return ops->update_hub_device(bus, udev);
1489ca1b4baSBin Meng }
1499ca1b4baSBin Meng
usb_get_max_xfer_size(struct usb_device * udev,size_t * size)1503e59f590SBin Meng int usb_get_max_xfer_size(struct usb_device *udev, size_t *size)
1513e59f590SBin Meng {
1523e59f590SBin Meng struct udevice *bus = udev->controller_dev;
1533e59f590SBin Meng struct dm_usb_ops *ops = usb_get_ops(bus);
1543e59f590SBin Meng
1553e59f590SBin Meng if (!ops->get_max_xfer_size)
1563e59f590SBin Meng return -ENOSYS;
1573e59f590SBin Meng
1583e59f590SBin Meng return ops->get_max_xfer_size(bus, size);
1593e59f590SBin Meng }
1603e59f590SBin Meng
usb_stop(void)161de31213fSSimon Glass int usb_stop(void)
162de31213fSSimon Glass {
163de31213fSSimon Glass struct udevice *bus;
164d4efefe3SBin Meng struct udevice *rh;
165de31213fSSimon Glass struct uclass *uc;
166e253637bSHans de Goede struct usb_uclass_priv *uc_priv;
167de31213fSSimon Glass int err = 0, ret;
168de31213fSSimon Glass
169de31213fSSimon Glass /* De-activate any devices that have been activated */
170de31213fSSimon Glass ret = uclass_get(UCLASS_USB, &uc);
171de31213fSSimon Glass if (ret)
172de31213fSSimon Glass return ret;
173e253637bSHans de Goede
174e253637bSHans de Goede uc_priv = uc->priv;
175e253637bSHans de Goede
176de31213fSSimon Glass uclass_foreach_dev(bus, uc) {
177706865afSStefan Roese ret = device_remove(bus, DM_REMOVE_NORMAL);
178de31213fSSimon Glass if (ret && !err)
179de31213fSSimon Glass err = ret;
180d4efefe3SBin Meng
181d4efefe3SBin Meng /* Locate root hub device */
182d4efefe3SBin Meng device_find_first_child(bus, &rh);
183d4efefe3SBin Meng if (rh) {
184d4efefe3SBin Meng /*
185d4efefe3SBin Meng * All USB devices are children of root hub.
186d4efefe3SBin Meng * Unbinding root hub will unbind all of its children.
187d4efefe3SBin Meng */
188d4efefe3SBin Meng ret = device_unbind(rh);
189d4efefe3SBin Meng if (ret && !err)
190d4efefe3SBin Meng err = ret;
191d4efefe3SBin Meng }
192de31213fSSimon Glass }
193ad0a9378SBin Meng
1940fa5999bSPaul Kocialkowski #ifdef CONFIG_USB_STORAGE
195de31213fSSimon Glass usb_stor_reset();
1960fa5999bSPaul Kocialkowski #endif
197e253637bSHans de Goede uc_priv->companion_device_count = 0;
198de31213fSSimon Glass usb_started = 0;
199de31213fSSimon Glass
200de31213fSSimon Glass return err;
201de31213fSSimon Glass }
202de31213fSSimon Glass
usb_scan_bus(struct udevice * bus,bool recurse)203a24a0e91SHans de Goede static void usb_scan_bus(struct udevice *bus, bool recurse)
204de31213fSSimon Glass {
205de31213fSSimon Glass struct usb_bus_priv *priv;
206de31213fSSimon Glass struct udevice *dev;
207de31213fSSimon Glass int ret;
208de31213fSSimon Glass
209de31213fSSimon Glass priv = dev_get_uclass_priv(bus);
210de31213fSSimon Glass
211de31213fSSimon Glass assert(recurse); /* TODO: Support non-recusive */
212de31213fSSimon Glass
213a24a0e91SHans de Goede printf("scanning bus %d for devices... ", bus->seq);
214a24a0e91SHans de Goede debug("\n");
215de31213fSSimon Glass ret = usb_scan_device(bus, 0, USB_SPEED_FULL, &dev);
216de31213fSSimon Glass if (ret)
217a24a0e91SHans de Goede printf("failed, error %d\n", ret);
218a24a0e91SHans de Goede else if (priv->next_addr == 0)
219a24a0e91SHans de Goede printf("No USB Device found\n");
220a24a0e91SHans de Goede else
221a24a0e91SHans de Goede printf("%d USB Device(s) found\n", priv->next_addr);
222de31213fSSimon Glass }
223de31213fSSimon Glass
remove_inactive_children(struct uclass * uc,struct udevice * bus)224eae11becSSimon Glass static void remove_inactive_children(struct uclass *uc, struct udevice *bus)
225eae11becSSimon Glass {
226eae11becSSimon Glass uclass_foreach_dev(bus, uc) {
227eae11becSSimon Glass struct udevice *dev, *next;
228eae11becSSimon Glass
229eae11becSSimon Glass if (!device_active(bus))
230eae11becSSimon Glass continue;
231eae11becSSimon Glass device_foreach_child_safe(dev, next, bus) {
232eae11becSSimon Glass if (!device_active(dev))
233eae11becSSimon Glass device_unbind(dev);
234eae11becSSimon Glass }
235eae11becSSimon Glass }
236eae11becSSimon Glass }
237eae11becSSimon Glass
usb_init(void)238de31213fSSimon Glass int usb_init(void)
239de31213fSSimon Glass {
240de31213fSSimon Glass int controllers_initialized = 0;
241e253637bSHans de Goede struct usb_uclass_priv *uc_priv;
242b6de4d10SHans de Goede struct usb_bus_priv *priv;
243de31213fSSimon Glass struct udevice *bus;
244de31213fSSimon Glass struct uclass *uc;
245de31213fSSimon Glass int count = 0;
246de31213fSSimon Glass int ret;
247de31213fSSimon Glass
248de31213fSSimon Glass asynch_allowed = 1;
249de31213fSSimon Glass
250de31213fSSimon Glass ret = uclass_get(UCLASS_USB, &uc);
251de31213fSSimon Glass if (ret)
252de31213fSSimon Glass return ret;
253de31213fSSimon Glass
254e253637bSHans de Goede uc_priv = uc->priv;
255e253637bSHans de Goede
256de31213fSSimon Glass uclass_foreach_dev(bus, uc) {
257de31213fSSimon Glass /* init low_level USB */
258134692afSHans de Goede printf("USB%d: ", count);
259de31213fSSimon Glass count++;
260d4efefe3SBin Meng
261d4efefe3SBin Meng #ifdef CONFIG_SANDBOX
262d4efefe3SBin Meng /*
263d4efefe3SBin Meng * For Sandbox, we need scan the device tree each time when we
264d4efefe3SBin Meng * start the USB stack, in order to re-create the emulated USB
265d4efefe3SBin Meng * devices and bind drivers for them before we actually do the
266d4efefe3SBin Meng * driver probe.
267d4efefe3SBin Meng */
268d4efefe3SBin Meng ret = dm_scan_fdt_dev(bus);
269d4efefe3SBin Meng if (ret) {
270d4efefe3SBin Meng printf("Sandbox USB device scan failed (%d)\n", ret);
271d4efefe3SBin Meng continue;
272d4efefe3SBin Meng }
273d4efefe3SBin Meng #endif
274d4efefe3SBin Meng
275de31213fSSimon Glass ret = device_probe(bus);
276de31213fSSimon Glass if (ret == -ENODEV) { /* No such device. */
277de31213fSSimon Glass puts("Port not available.\n");
278de31213fSSimon Glass controllers_initialized++;
279de31213fSSimon Glass continue;
280de31213fSSimon Glass }
281de31213fSSimon Glass
282de31213fSSimon Glass if (ret) { /* Other error. */
283de31213fSSimon Glass printf("probe failed, error %d\n", ret);
284de31213fSSimon Glass continue;
285de31213fSSimon Glass }
286de31213fSSimon Glass controllers_initialized++;
287de31213fSSimon Glass usb_started = true;
288de31213fSSimon Glass }
289de31213fSSimon Glass
290b6de4d10SHans de Goede /*
291b6de4d10SHans de Goede * lowlevel init done, now scan the bus for devices i.e. search HUBs
292b6de4d10SHans de Goede * and configure them, first scan primary controllers.
293b6de4d10SHans de Goede */
294b6de4d10SHans de Goede uclass_foreach_dev(bus, uc) {
295b6de4d10SHans de Goede if (!device_active(bus))
296b6de4d10SHans de Goede continue;
297b6de4d10SHans de Goede
298b6de4d10SHans de Goede priv = dev_get_uclass_priv(bus);
299b6de4d10SHans de Goede if (!priv->companion)
300b6de4d10SHans de Goede usb_scan_bus(bus, true);
301b6de4d10SHans de Goede }
302b6de4d10SHans de Goede
303b6de4d10SHans de Goede /*
304b6de4d10SHans de Goede * Now that the primary controllers have been scanned and have handed
305b6de4d10SHans de Goede * over any devices they do not understand to their companions, scan
306e253637bSHans de Goede * the companions if necessary.
307b6de4d10SHans de Goede */
308e253637bSHans de Goede if (uc_priv->companion_device_count) {
309b6de4d10SHans de Goede uclass_foreach_dev(bus, uc) {
310b6de4d10SHans de Goede if (!device_active(bus))
311b6de4d10SHans de Goede continue;
312b6de4d10SHans de Goede
313b6de4d10SHans de Goede priv = dev_get_uclass_priv(bus);
314b6de4d10SHans de Goede if (priv->companion)
315b6de4d10SHans de Goede usb_scan_bus(bus, true);
316b6de4d10SHans de Goede }
317e253637bSHans de Goede }
318b6de4d10SHans de Goede
319de31213fSSimon Glass debug("scan end\n");
320eae11becSSimon Glass
321eae11becSSimon Glass /* Remove any devices that were not found on this scan */
322eae11becSSimon Glass remove_inactive_children(uc, bus);
323eae11becSSimon Glass
324eae11becSSimon Glass ret = uclass_get(UCLASS_USB_HUB, &uc);
325eae11becSSimon Glass if (ret)
326eae11becSSimon Glass return ret;
327eae11becSSimon Glass remove_inactive_children(uc, bus);
328eae11becSSimon Glass
329de31213fSSimon Glass /* if we were not able to find at least one working bus, bail out */
330de31213fSSimon Glass if (!count)
331de31213fSSimon Glass printf("No controllers found\n");
332de31213fSSimon Glass else if (controllers_initialized == 0)
333de31213fSSimon Glass printf("USB error: all controllers failed lowlevel init\n");
334de31213fSSimon Glass
335de31213fSSimon Glass return usb_started ? 0 : -1;
336de31213fSSimon Glass }
337de31213fSSimon Glass
338e8ea5e8cSSimon Glass /*
339e8ea5e8cSSimon Glass * TODO(sjg@chromium.org): Remove this legacy function. At present it is needed
340e8ea5e8cSSimon Glass * to support boards which use driver model for USB but not Ethernet, and want
341e8ea5e8cSSimon Glass * to use USB Ethernet.
342e8ea5e8cSSimon Glass *
343e8ea5e8cSSimon Glass * The #if clause is here to ensure that remains the only case.
344e8ea5e8cSSimon Glass */
345e8ea5e8cSSimon Glass #if !defined(CONFIG_DM_ETH) && defined(CONFIG_USB_HOST_ETHER)
find_child_devnum(struct udevice * parent,int devnum)346de31213fSSimon Glass static struct usb_device *find_child_devnum(struct udevice *parent, int devnum)
347de31213fSSimon Glass {
348de31213fSSimon Glass struct usb_device *udev;
349de31213fSSimon Glass struct udevice *dev;
350de31213fSSimon Glass
351de31213fSSimon Glass if (!device_active(parent))
352de31213fSSimon Glass return NULL;
353bcbe3d15SSimon Glass udev = dev_get_parent_priv(parent);
354de31213fSSimon Glass if (udev->devnum == devnum)
355de31213fSSimon Glass return udev;
356de31213fSSimon Glass
357de31213fSSimon Glass for (device_find_first_child(parent, &dev);
358de31213fSSimon Glass dev;
359de31213fSSimon Glass device_find_next_child(&dev)) {
360de31213fSSimon Glass udev = find_child_devnum(dev, devnum);
361de31213fSSimon Glass if (udev)
362de31213fSSimon Glass return udev;
363de31213fSSimon Glass }
364de31213fSSimon Glass
365de31213fSSimon Glass return NULL;
366de31213fSSimon Glass }
367de31213fSSimon Glass
usb_get_dev_index(struct udevice * bus,int index)368de31213fSSimon Glass struct usb_device *usb_get_dev_index(struct udevice *bus, int index)
369de31213fSSimon Glass {
370fd1bd21bSHans de Goede struct udevice *dev;
371de31213fSSimon Glass int devnum = index + 1; /* Addresses are allocated from 1 on USB */
372de31213fSSimon Glass
373fd1bd21bSHans de Goede device_find_first_child(bus, &dev);
374fd1bd21bSHans de Goede if (!dev)
375de31213fSSimon Glass return NULL;
376fd1bd21bSHans de Goede
377fd1bd21bSHans de Goede return find_child_devnum(dev, devnum);
378de31213fSSimon Glass }
379e8ea5e8cSSimon Glass #endif
380de31213fSSimon Glass
usb_setup_ehci_gadget(struct ehci_ctrl ** ctlrp)381fbeceb26SSimon Glass int usb_setup_ehci_gadget(struct ehci_ctrl **ctlrp)
382fbeceb26SSimon Glass {
383fbeceb26SSimon Glass struct usb_platdata *plat;
384fbeceb26SSimon Glass struct udevice *dev;
385fbeceb26SSimon Glass int ret;
386fbeceb26SSimon Glass
387fbeceb26SSimon Glass /* Find the old device and remove it */
388fbeceb26SSimon Glass ret = uclass_find_device_by_seq(UCLASS_USB, 0, true, &dev);
389fbeceb26SSimon Glass if (ret)
390fbeceb26SSimon Glass return ret;
391706865afSStefan Roese ret = device_remove(dev, DM_REMOVE_NORMAL);
392fbeceb26SSimon Glass if (ret)
393fbeceb26SSimon Glass return ret;
394fbeceb26SSimon Glass
395fbeceb26SSimon Glass plat = dev_get_platdata(dev);
396fbeceb26SSimon Glass plat->init_type = USB_INIT_DEVICE;
397fbeceb26SSimon Glass ret = device_probe(dev);
398fbeceb26SSimon Glass if (ret)
399fbeceb26SSimon Glass return ret;
400fbeceb26SSimon Glass *ctlrp = dev_get_priv(dev);
401fbeceb26SSimon Glass
402fbeceb26SSimon Glass return 0;
403fbeceb26SSimon Glass }
404fbeceb26SSimon Glass
4050566e240SSimon Glass /* returns 0 if no match, 1 if match */
usb_match_device(const struct usb_device_descriptor * desc,const struct usb_device_id * id)406121a4d13SMasahiro Yamada static int usb_match_device(const struct usb_device_descriptor *desc,
4070566e240SSimon Glass const struct usb_device_id *id)
4080566e240SSimon Glass {
4090566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
4100566e240SSimon Glass id->idVendor != le16_to_cpu(desc->idVendor))
4110566e240SSimon Glass return 0;
4120566e240SSimon Glass
4130566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
4140566e240SSimon Glass id->idProduct != le16_to_cpu(desc->idProduct))
4150566e240SSimon Glass return 0;
4160566e240SSimon Glass
4170566e240SSimon Glass /* No need to test id->bcdDevice_lo != 0, since 0 is never
4180566e240SSimon Glass greater than any unsigned number. */
4190566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
4200566e240SSimon Glass (id->bcdDevice_lo > le16_to_cpu(desc->bcdDevice)))
4210566e240SSimon Glass return 0;
4220566e240SSimon Glass
4230566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
4240566e240SSimon Glass (id->bcdDevice_hi < le16_to_cpu(desc->bcdDevice)))
4250566e240SSimon Glass return 0;
4260566e240SSimon Glass
4270566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
4280566e240SSimon Glass (id->bDeviceClass != desc->bDeviceClass))
4290566e240SSimon Glass return 0;
4300566e240SSimon Glass
4310566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
4320566e240SSimon Glass (id->bDeviceSubClass != desc->bDeviceSubClass))
4330566e240SSimon Glass return 0;
4340566e240SSimon Glass
4350566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
4360566e240SSimon Glass (id->bDeviceProtocol != desc->bDeviceProtocol))
4370566e240SSimon Glass return 0;
4380566e240SSimon Glass
4390566e240SSimon Glass return 1;
4400566e240SSimon Glass }
4410566e240SSimon Glass
4420566e240SSimon Glass /* returns 0 if no match, 1 if match */
usb_match_one_id_intf(const struct usb_device_descriptor * desc,const struct usb_interface_descriptor * int_desc,const struct usb_device_id * id)443121a4d13SMasahiro Yamada static int usb_match_one_id_intf(const struct usb_device_descriptor *desc,
4440566e240SSimon Glass const struct usb_interface_descriptor *int_desc,
4450566e240SSimon Glass const struct usb_device_id *id)
4460566e240SSimon Glass {
4470566e240SSimon Glass /* The interface class, subclass, protocol and number should never be
4480566e240SSimon Glass * checked for a match if the device class is Vendor Specific,
4490566e240SSimon Glass * unless the match record specifies the Vendor ID. */
4500566e240SSimon Glass if (desc->bDeviceClass == USB_CLASS_VENDOR_SPEC &&
4510566e240SSimon Glass !(id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
4520566e240SSimon Glass (id->match_flags & (USB_DEVICE_ID_MATCH_INT_CLASS |
4530566e240SSimon Glass USB_DEVICE_ID_MATCH_INT_SUBCLASS |
4540566e240SSimon Glass USB_DEVICE_ID_MATCH_INT_PROTOCOL |
4550566e240SSimon Glass USB_DEVICE_ID_MATCH_INT_NUMBER)))
4560566e240SSimon Glass return 0;
4570566e240SSimon Glass
4580566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) &&
4590566e240SSimon Glass (id->bInterfaceClass != int_desc->bInterfaceClass))
4600566e240SSimon Glass return 0;
4610566e240SSimon Glass
4620566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_SUBCLASS) &&
4630566e240SSimon Glass (id->bInterfaceSubClass != int_desc->bInterfaceSubClass))
4640566e240SSimon Glass return 0;
4650566e240SSimon Glass
4660566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_PROTOCOL) &&
4670566e240SSimon Glass (id->bInterfaceProtocol != int_desc->bInterfaceProtocol))
4680566e240SSimon Glass return 0;
4690566e240SSimon Glass
4700566e240SSimon Glass if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) &&
4710566e240SSimon Glass (id->bInterfaceNumber != int_desc->bInterfaceNumber))
4720566e240SSimon Glass return 0;
4730566e240SSimon Glass
4740566e240SSimon Glass return 1;
4750566e240SSimon Glass }
4760566e240SSimon Glass
4770566e240SSimon Glass /* returns 0 if no match, 1 if match */
usb_match_one_id(struct usb_device_descriptor * desc,struct usb_interface_descriptor * int_desc,const struct usb_device_id * id)478121a4d13SMasahiro Yamada static int usb_match_one_id(struct usb_device_descriptor *desc,
4790566e240SSimon Glass struct usb_interface_descriptor *int_desc,
4800566e240SSimon Glass const struct usb_device_id *id)
4810566e240SSimon Glass {
4820566e240SSimon Glass if (!usb_match_device(desc, id))
4830566e240SSimon Glass return 0;
4840566e240SSimon Glass
4850566e240SSimon Glass return usb_match_one_id_intf(desc, int_desc, id);
4860566e240SSimon Glass }
4870566e240SSimon Glass
4880566e240SSimon Glass /**
4890566e240SSimon Glass * usb_find_and_bind_driver() - Find and bind the right USB driver
4900566e240SSimon Glass *
4910566e240SSimon Glass * This only looks at certain fields in the descriptor.
4920566e240SSimon Glass */
usb_find_and_bind_driver(struct udevice * parent,struct usb_device_descriptor * desc,struct usb_interface_descriptor * iface,int bus_seq,int devnum,struct udevice ** devp)4930566e240SSimon Glass static int usb_find_and_bind_driver(struct udevice *parent,
4940566e240SSimon Glass struct usb_device_descriptor *desc,
4950566e240SSimon Glass struct usb_interface_descriptor *iface,
4960566e240SSimon Glass int bus_seq, int devnum,
4970566e240SSimon Glass struct udevice **devp)
4980566e240SSimon Glass {
4990566e240SSimon Glass struct usb_driver_entry *start, *entry;
5000566e240SSimon Glass int n_ents;
5010566e240SSimon Glass int ret;
5020566e240SSimon Glass char name[30], *str;
5030566e240SSimon Glass
5040566e240SSimon Glass *devp = NULL;
5050566e240SSimon Glass debug("%s: Searching for driver\n", __func__);
5060566e240SSimon Glass start = ll_entry_start(struct usb_driver_entry, usb_driver_entry);
5070566e240SSimon Glass n_ents = ll_entry_count(struct usb_driver_entry, usb_driver_entry);
5080566e240SSimon Glass for (entry = start; entry != start + n_ents; entry++) {
5090566e240SSimon Glass const struct usb_device_id *id;
5100566e240SSimon Glass struct udevice *dev;
5110566e240SSimon Glass const struct driver *drv;
5120566e240SSimon Glass struct usb_dev_platdata *plat;
5130566e240SSimon Glass
5140566e240SSimon Glass for (id = entry->match; id->match_flags; id++) {
5150566e240SSimon Glass if (!usb_match_one_id(desc, iface, id))
5160566e240SSimon Glass continue;
5170566e240SSimon Glass
5180566e240SSimon Glass drv = entry->driver;
5190566e240SSimon Glass /*
5200566e240SSimon Glass * We could pass the descriptor to the driver as
5210566e240SSimon Glass * platdata (instead of NULL) and allow its bind()
5220566e240SSimon Glass * method to return -ENOENT if it doesn't support this
5230566e240SSimon Glass * device. That way we could continue the search to
5240566e240SSimon Glass * find another driver. For now this doesn't seem
5250566e240SSimon Glass * necesssary, so just bind the first match.
5260566e240SSimon Glass */
5270566e240SSimon Glass ret = device_bind(parent, drv, drv->name, NULL, -1,
5280566e240SSimon Glass &dev);
5290566e240SSimon Glass if (ret)
5300566e240SSimon Glass goto error;
5310566e240SSimon Glass debug("%s: Match found: %s\n", __func__, drv->name);
5320566e240SSimon Glass dev->driver_data = id->driver_info;
5330566e240SSimon Glass plat = dev_get_parent_platdata(dev);
5340566e240SSimon Glass plat->id = *id;
5350566e240SSimon Glass *devp = dev;
5360566e240SSimon Glass return 0;
5370566e240SSimon Glass }
5380566e240SSimon Glass }
5390566e240SSimon Glass
540449230f0SSimon Glass /* Bind a generic driver so that the device can be used */
541449230f0SSimon Glass snprintf(name, sizeof(name), "generic_bus_%x_dev_%x", bus_seq, devnum);
542449230f0SSimon Glass str = strdup(name);
543449230f0SSimon Glass if (!str)
544449230f0SSimon Glass return -ENOMEM;
545449230f0SSimon Glass ret = device_bind_driver(parent, "usb_dev_generic_drv", str, devp);
546449230f0SSimon Glass
5470566e240SSimon Glass error:
5480566e240SSimon Glass debug("%s: No match found: %d\n", __func__, ret);
5490566e240SSimon Glass return ret;
5500566e240SSimon Glass }
5510566e240SSimon Glass
5520566e240SSimon Glass /**
5531b6a1dffSSimon Glass * usb_find_child() - Find an existing device which matches our needs
5541b6a1dffSSimon Glass *
5551b6a1dffSSimon Glass *
5560566e240SSimon Glass */
usb_find_child(struct udevice * parent,struct usb_device_descriptor * desc,struct usb_interface_descriptor * iface,struct udevice ** devp)5571b6a1dffSSimon Glass static int usb_find_child(struct udevice *parent,
5580566e240SSimon Glass struct usb_device_descriptor *desc,
5590566e240SSimon Glass struct usb_interface_descriptor *iface,
5600566e240SSimon Glass struct udevice **devp)
5610566e240SSimon Glass {
5620566e240SSimon Glass struct udevice *dev;
5630566e240SSimon Glass
5640566e240SSimon Glass *devp = NULL;
5650566e240SSimon Glass for (device_find_first_child(parent, &dev);
5660566e240SSimon Glass dev;
5670566e240SSimon Glass device_find_next_child(&dev)) {
5680566e240SSimon Glass struct usb_dev_platdata *plat = dev_get_parent_platdata(dev);
5690566e240SSimon Glass
5700566e240SSimon Glass /* If this device is already in use, skip it */
5710566e240SSimon Glass if (device_active(dev))
5720566e240SSimon Glass continue;
5730566e240SSimon Glass debug(" %s: name='%s', plat=%d, desc=%d\n", __func__,
5740566e240SSimon Glass dev->name, plat->id.bDeviceClass, desc->bDeviceClass);
5750566e240SSimon Glass if (usb_match_one_id(desc, iface, &plat->id)) {
5760566e240SSimon Glass *devp = dev;
5770566e240SSimon Glass return 0;
5780566e240SSimon Glass }
5790566e240SSimon Glass }
5801b6a1dffSSimon Glass
5810566e240SSimon Glass return -ENOENT;
5820566e240SSimon Glass }
5830566e240SSimon Glass
usb_scan_device(struct udevice * parent,int port,enum usb_device_speed speed,struct udevice ** devp)584de31213fSSimon Glass int usb_scan_device(struct udevice *parent, int port,
585de31213fSSimon Glass enum usb_device_speed speed, struct udevice **devp)
586de31213fSSimon Glass {
587de31213fSSimon Glass struct udevice *dev;
588de31213fSSimon Glass bool created = false;
589de31213fSSimon Glass struct usb_dev_platdata *plat;
590de31213fSSimon Glass struct usb_bus_priv *priv;
591de31213fSSimon Glass struct usb_device *parent_udev;
592de31213fSSimon Glass int ret;
593de31213fSSimon Glass ALLOC_CACHE_ALIGN_BUFFER(struct usb_device, udev, 1);
594de31213fSSimon Glass struct usb_interface_descriptor *iface = &udev->config.if_desc[0].desc;
595de31213fSSimon Glass
596de31213fSSimon Glass *devp = NULL;
597de31213fSSimon Glass memset(udev, '\0', sizeof(*udev));
598f78a5c07SHans de Goede udev->controller_dev = usb_get_bus(parent);
599de31213fSSimon Glass priv = dev_get_uclass_priv(udev->controller_dev);
600de31213fSSimon Glass
601de31213fSSimon Glass /*
602de31213fSSimon Glass * Somewhat nasty, this. We create a local device and use the normal
603de31213fSSimon Glass * USB stack to read its descriptor. Then we know what type of device
604de31213fSSimon Glass * to create for real.
605de31213fSSimon Glass *
606de31213fSSimon Glass * udev->dev is set to the parent, since we don't have a real device
607de31213fSSimon Glass * yet. The USB stack should not access udev.dev anyway, except perhaps
608de31213fSSimon Glass * to find the controller, and the controller will either be @parent,
609de31213fSSimon Glass * or some parent of @parent.
610de31213fSSimon Glass *
611de31213fSSimon Glass * Another option might be to create the device as a generic USB
612de31213fSSimon Glass * device, then morph it into the correct one when we know what it
613de31213fSSimon Glass * should be. This means that a generic USB device would morph into
614de31213fSSimon Glass * a network controller, or a USB flash stick, for example. However,
615de31213fSSimon Glass * we don't support such morphing and it isn't clear that it would
616de31213fSSimon Glass * be easy to do.
617de31213fSSimon Glass *
618de31213fSSimon Glass * Yet another option is to split out the USB stack parts of udev
619de31213fSSimon Glass * into something like a 'struct urb' (as Linux does) which can exist
620de31213fSSimon Glass * independently of any device. This feels cleaner, but calls for quite
621de31213fSSimon Glass * a big change to the USB stack.
622de31213fSSimon Glass *
623de31213fSSimon Glass * For now, the approach is to set up an empty udev, read its
624de31213fSSimon Glass * descriptor and assign it an address, then bind a real device and
625de31213fSSimon Glass * stash the resulting information into the device's parent
626de31213fSSimon Glass * platform data. Then when we probe it, usb_child_pre_probe() is called
627de31213fSSimon Glass * and it will pull the information out of the stash.
628de31213fSSimon Glass */
629de31213fSSimon Glass udev->dev = parent;
630de31213fSSimon Glass udev->speed = speed;
631de31213fSSimon Glass udev->devnum = priv->next_addr + 1;
632de31213fSSimon Glass udev->portnr = port;
633de31213fSSimon Glass debug("Calling usb_setup_device(), portnr=%d\n", udev->portnr);
634de31213fSSimon Glass parent_udev = device_get_uclass_id(parent) == UCLASS_USB_HUB ?
635bcbe3d15SSimon Glass dev_get_parent_priv(parent) : NULL;
6369eb72dd1SHans de Goede ret = usb_setup_device(udev, priv->desc_before_addr, parent_udev);
637de31213fSSimon Glass debug("read_descriptor for '%s': ret=%d\n", parent->name, ret);
638de31213fSSimon Glass if (ret)
639de31213fSSimon Glass return ret;
6401b6a1dffSSimon Glass ret = usb_find_child(parent, &udev->descriptor, iface, &dev);
6411b6a1dffSSimon Glass debug("** usb_find_child returns %d\n", ret);
6420566e240SSimon Glass if (ret) {
6430566e240SSimon Glass if (ret != -ENOENT)
6440566e240SSimon Glass return ret;
6450566e240SSimon Glass ret = usb_find_and_bind_driver(parent, &udev->descriptor, iface,
6460566e240SSimon Glass udev->controller_dev->seq,
6470566e240SSimon Glass udev->devnum, &dev);
6480566e240SSimon Glass if (ret)
6490566e240SSimon Glass return ret;
6500566e240SSimon Glass created = true;
6510566e240SSimon Glass }
6520566e240SSimon Glass plat = dev_get_parent_platdata(dev);
6530566e240SSimon Glass debug("%s: Probing '%s', plat=%p\n", __func__, dev->name, plat);
6540566e240SSimon Glass plat->devnum = udev->devnum;
6557f1a0753SHans de Goede plat->udev = udev;
6560566e240SSimon Glass priv->next_addr++;
6570566e240SSimon Glass ret = device_probe(dev);
6580566e240SSimon Glass if (ret) {
6590566e240SSimon Glass debug("%s: Device '%s' probe failed\n", __func__, dev->name);
6600566e240SSimon Glass priv->next_addr--;
6610566e240SSimon Glass if (created)
6620566e240SSimon Glass device_unbind(dev);
6630566e240SSimon Glass return ret;
6640566e240SSimon Glass }
6650566e240SSimon Glass *devp = dev;
666de31213fSSimon Glass
6670566e240SSimon Glass return 0;
668de31213fSSimon Glass }
669de31213fSSimon Glass
6700c5dd9aeSSimon Glass /*
6710c5dd9aeSSimon Glass * Detect if a USB device has been plugged or unplugged.
6720c5dd9aeSSimon Glass */
usb_detect_change(void)6730c5dd9aeSSimon Glass int usb_detect_change(void)
6740c5dd9aeSSimon Glass {
6750c5dd9aeSSimon Glass struct udevice *hub;
6760c5dd9aeSSimon Glass struct uclass *uc;
6770c5dd9aeSSimon Glass int change = 0;
6780c5dd9aeSSimon Glass int ret;
6790c5dd9aeSSimon Glass
6800c5dd9aeSSimon Glass ret = uclass_get(UCLASS_USB_HUB, &uc);
6810c5dd9aeSSimon Glass if (ret)
6820c5dd9aeSSimon Glass return ret;
6830c5dd9aeSSimon Glass
6840c5dd9aeSSimon Glass uclass_foreach_dev(hub, uc) {
6850c5dd9aeSSimon Glass struct usb_device *udev;
6860c5dd9aeSSimon Glass struct udevice *dev;
6870c5dd9aeSSimon Glass
6880c5dd9aeSSimon Glass if (!device_active(hub))
6890c5dd9aeSSimon Glass continue;
6900c5dd9aeSSimon Glass for (device_find_first_child(hub, &dev);
6910c5dd9aeSSimon Glass dev;
6920c5dd9aeSSimon Glass device_find_next_child(&dev)) {
6930c5dd9aeSSimon Glass struct usb_port_status status;
6940c5dd9aeSSimon Glass
6950c5dd9aeSSimon Glass if (!device_active(dev))
6960c5dd9aeSSimon Glass continue;
6970c5dd9aeSSimon Glass
698bcbe3d15SSimon Glass udev = dev_get_parent_priv(dev);
6990c5dd9aeSSimon Glass if (usb_get_port_status(udev, udev->portnr, &status)
7000c5dd9aeSSimon Glass < 0)
7010c5dd9aeSSimon Glass /* USB request failed */
7020c5dd9aeSSimon Glass continue;
7030c5dd9aeSSimon Glass
7040c5dd9aeSSimon Glass if (le16_to_cpu(status.wPortChange) &
7050c5dd9aeSSimon Glass USB_PORT_STAT_C_CONNECTION)
7060c5dd9aeSSimon Glass change++;
7070c5dd9aeSSimon Glass }
7080c5dd9aeSSimon Glass }
7090c5dd9aeSSimon Glass
7100c5dd9aeSSimon Glass return change;
7110c5dd9aeSSimon Glass }
7120c5dd9aeSSimon Glass
usb_child_post_bind(struct udevice * dev)713121a4d13SMasahiro Yamada static int usb_child_post_bind(struct udevice *dev)
714de31213fSSimon Glass {
715de31213fSSimon Glass struct usb_dev_platdata *plat = dev_get_parent_platdata(dev);
716de31213fSSimon Glass int val;
717de31213fSSimon Glass
718d20fd27dSSimon Glass if (!dev_of_valid(dev))
719de31213fSSimon Glass return 0;
720de31213fSSimon Glass
721de31213fSSimon Glass /* We only support matching a few things */
722d20fd27dSSimon Glass val = dev_read_u32_default(dev, "usb,device-class", -1);
723de31213fSSimon Glass if (val != -1) {
724de31213fSSimon Glass plat->id.match_flags |= USB_DEVICE_ID_MATCH_DEV_CLASS;
725de31213fSSimon Glass plat->id.bDeviceClass = val;
726de31213fSSimon Glass }
727d20fd27dSSimon Glass val = dev_read_u32_default(dev, "usb,interface-class", -1);
728de31213fSSimon Glass if (val != -1) {
729de31213fSSimon Glass plat->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS;
730de31213fSSimon Glass plat->id.bInterfaceClass = val;
731de31213fSSimon Glass }
732de31213fSSimon Glass
733de31213fSSimon Glass return 0;
734de31213fSSimon Glass }
735de31213fSSimon Glass
usb_get_bus(struct udevice * dev)736f78a5c07SHans de Goede struct udevice *usb_get_bus(struct udevice *dev)
737de31213fSSimon Glass {
738de31213fSSimon Glass struct udevice *bus;
739de31213fSSimon Glass
740de31213fSSimon Glass for (bus = dev; bus && device_get_uclass_id(bus) != UCLASS_USB; )
741de31213fSSimon Glass bus = bus->parent;
742de31213fSSimon Glass if (!bus) {
743de31213fSSimon Glass /* By design this cannot happen */
744de31213fSSimon Glass assert(bus);
745de31213fSSimon Glass debug("USB HUB '%s' does not have a controller\n", dev->name);
746de31213fSSimon Glass }
747de31213fSSimon Glass
748f78a5c07SHans de Goede return bus;
749de31213fSSimon Glass }
750de31213fSSimon Glass
usb_child_pre_probe(struct udevice * dev)751de31213fSSimon Glass int usb_child_pre_probe(struct udevice *dev)
752de31213fSSimon Glass {
753bcbe3d15SSimon Glass struct usb_device *udev = dev_get_parent_priv(dev);
754de31213fSSimon Glass struct usb_dev_platdata *plat = dev_get_parent_platdata(dev);
755de31213fSSimon Glass int ret;
756de31213fSSimon Glass
7577f1a0753SHans de Goede if (plat->udev) {
7587f1a0753SHans de Goede /*
7597f1a0753SHans de Goede * Copy over all the values set in the on stack struct
7607f1a0753SHans de Goede * usb_device in usb_scan_device() to our final struct
7617f1a0753SHans de Goede * usb_device for this dev.
7627f1a0753SHans de Goede */
7637f1a0753SHans de Goede *udev = *(plat->udev);
7647f1a0753SHans de Goede /* And clear plat->udev as it will not be valid for long */
7657f1a0753SHans de Goede plat->udev = NULL;
766de31213fSSimon Glass udev->dev = dev;
7677f1a0753SHans de Goede } else {
7687f1a0753SHans de Goede /*
7697f1a0753SHans de Goede * This happens with devices which are explicitly bound
7707f1a0753SHans de Goede * instead of being discovered through usb_scan_device()
7717f1a0753SHans de Goede * such as sandbox emul devices.
7727f1a0753SHans de Goede */
7737f1a0753SHans de Goede udev->dev = dev;
7747f1a0753SHans de Goede udev->controller_dev = usb_get_bus(dev);
775de31213fSSimon Glass udev->devnum = plat->devnum;
776de31213fSSimon Glass
7777f1a0753SHans de Goede /*
7787f1a0753SHans de Goede * udev did not go through usb_scan_device(), so we need to
7797f1a0753SHans de Goede * select the config and read the config descriptors.
7807f1a0753SHans de Goede */
781de31213fSSimon Glass ret = usb_select_config(udev);
782de31213fSSimon Glass if (ret)
783de31213fSSimon Glass return ret;
7847f1a0753SHans de Goede }
785de31213fSSimon Glass
786de31213fSSimon Glass return 0;
787de31213fSSimon Glass }
788de31213fSSimon Glass
789de31213fSSimon Glass UCLASS_DRIVER(usb) = {
790de31213fSSimon Glass .id = UCLASS_USB,
791de31213fSSimon Glass .name = "usb",
792de31213fSSimon Glass .flags = DM_UC_FLAG_SEQ_ALIAS,
79391195485SSimon Glass .post_bind = dm_scan_fdt_dev,
794e253637bSHans de Goede .priv_auto_alloc_size = sizeof(struct usb_uclass_priv),
795de31213fSSimon Glass .per_child_auto_alloc_size = sizeof(struct usb_device),
796de31213fSSimon Glass .per_device_auto_alloc_size = sizeof(struct usb_bus_priv),
797de31213fSSimon Glass .child_post_bind = usb_child_post_bind,
798de31213fSSimon Glass .child_pre_probe = usb_child_pre_probe,
799de31213fSSimon Glass .per_child_platdata_auto_alloc_size = sizeof(struct usb_dev_platdata),
800de31213fSSimon Glass };
801449230f0SSimon Glass
802449230f0SSimon Glass UCLASS_DRIVER(usb_dev_generic) = {
803449230f0SSimon Glass .id = UCLASS_USB_DEV_GENERIC,
804449230f0SSimon Glass .name = "usb_dev_generic",
805449230f0SSimon Glass };
806449230f0SSimon Glass
807449230f0SSimon Glass U_BOOT_DRIVER(usb_dev_generic_drv) = {
808449230f0SSimon Glass .id = UCLASS_USB_DEV_GENERIC,
809449230f0SSimon Glass .name = "usb_dev_generic_drv",
810449230f0SSimon Glass };
811