Version:  2.0.40 2.2.26 2.4.37 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8

Linux/drivers/usb/musb/omap2430.c

  1 /*
  2  * Copyright (C) 2005-2007 by Texas Instruments
  3  * Some code has been taken from tusb6010.c
  4  * Copyrights for that are attributable to:
  5  * Copyright (C) 2006 Nokia Corporation
  6  * Tony Lindgren <tony@atomide.com>
  7  *
  8  * This file is part of the Inventra Controller Driver for Linux.
  9  *
 10  * The Inventra Controller Driver for Linux is free software; you
 11  * can redistribute it and/or modify it under the terms of the GNU
 12  * General Public License version 2 as published by the Free Software
 13  * Foundation.
 14  *
 15  * The Inventra Controller Driver for Linux is distributed in
 16  * the hope that it will be useful, but WITHOUT ANY WARRANTY;
 17  * without even the implied warranty of MERCHANTABILITY or
 18  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
 19  * License for more details.
 20  *
 21  * You should have received a copy of the GNU General Public License
 22  * along with The Inventra Controller Driver for Linux ; if not,
 23  * write to the Free Software Foundation, Inc., 59 Temple Place,
 24  * Suite 330, Boston, MA  02111-1307  USA
 25  *
 26  */
 27 #include <linux/module.h>
 28 #include <linux/kernel.h>
 29 #include <linux/sched.h>
 30 #include <linux/init.h>
 31 #include <linux/list.h>
 32 #include <linux/io.h>
 33 #include <linux/of.h>
 34 #include <linux/platform_device.h>
 35 #include <linux/dma-mapping.h>
 36 #include <linux/pm_runtime.h>
 37 #include <linux/err.h>
 38 #include <linux/delay.h>
 39 #include <linux/usb/musb.h>
 40 #include <linux/phy/omap_control_phy.h>
 41 #include <linux/of_platform.h>
 42 
 43 #include "musb_core.h"
 44 #include "omap2430.h"
 45 
 46 struct omap2430_glue {
 47         struct device           *dev;
 48         struct platform_device  *musb;
 49         enum musb_vbus_id_status status;
 50         struct work_struct      omap_musb_mailbox_work;
 51         struct device           *control_otghs;
 52         bool                    cable_connected;
 53         bool                    enabled;
 54         bool                    powered;
 55 };
 56 #define glue_to_musb(g)         platform_get_drvdata(g->musb)
 57 
 58 static struct omap2430_glue     *_glue;
 59 
 60 static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
 61 {
 62         struct usb_otg  *otg = musb->xceiv->otg;
 63         u8              devctl;
 64         unsigned long timeout = jiffies + msecs_to_jiffies(1000);
 65         /* HDRC controls CPEN, but beware current surges during device
 66          * connect.  They can trigger transient overcurrent conditions
 67          * that must be ignored.
 68          */
 69 
 70         devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
 71 
 72         if (is_on) {
 73                 if (musb->xceiv->otg->state == OTG_STATE_A_IDLE) {
 74                         int loops = 100;
 75                         /* start the session */
 76                         devctl |= MUSB_DEVCTL_SESSION;
 77                         musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
 78                         /*
 79                          * Wait for the musb to set as A device to enable the
 80                          * VBUS
 81                          */
 82                         while (musb_readb(musb->mregs, MUSB_DEVCTL) &
 83                                MUSB_DEVCTL_BDEVICE) {
 84 
 85                                 mdelay(5);
 86                                 cpu_relax();
 87 
 88                                 if (time_after(jiffies, timeout)
 89                                     || loops-- <= 0) {
 90                                         dev_err(musb->controller,
 91                                         "configured as A device timeout");
 92                                         break;
 93                                 }
 94                         }
 95 
 96                         otg_set_vbus(otg, 1);
 97                 } else {
 98                         musb->is_active = 1;
 99                         otg->default_a = 1;
100                         musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;
101                         devctl |= MUSB_DEVCTL_SESSION;
102                         MUSB_HST_MODE(musb);
103                 }
104         } else {
105                 musb->is_active = 0;
106 
107                 /* NOTE:  we're skipping A_WAIT_VFALL -> A_IDLE and
108                  * jumping right to B_IDLE...
109                  */
110 
111                 otg->default_a = 0;
112                 musb->xceiv->otg->state = OTG_STATE_B_IDLE;
113                 devctl &= ~MUSB_DEVCTL_SESSION;
114 
115                 MUSB_DEV_MODE(musb);
116         }
117         musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
118 
119         dev_dbg(musb->controller, "VBUS %s, devctl %02x "
120                 /* otg %3x conf %08x prcm %08x */ "\n",
121                 usb_otg_state_string(musb->xceiv->otg->state),
122                 musb_readb(musb->mregs, MUSB_DEVCTL));
123 }
124 
125 static inline void omap2430_low_level_exit(struct musb *musb)
126 {
127         u32 l;
128 
129         /* in any role */
130         l = musb_readl(musb->mregs, OTG_FORCESTDBY);
131         l |= ENABLEFORCE;       /* enable MSTANDBY */
132         musb_writel(musb->mregs, OTG_FORCESTDBY, l);
133 }
134 
135 static inline void omap2430_low_level_init(struct musb *musb)
136 {
137         u32 l;
138 
139         l = musb_readl(musb->mregs, OTG_FORCESTDBY);
140         l &= ~ENABLEFORCE;      /* disable MSTANDBY */
141         musb_writel(musb->mregs, OTG_FORCESTDBY, l);
142 }
143 
144 /*
145  * We can get multiple cable events so we need to keep track
146  * of the power state. Only keep power enabled if USB cable is
147  * connected and a gadget is started.
148  */
149 static void omap2430_set_power(struct musb *musb, bool enabled, bool cable)
150 {
151         struct device *dev = musb->controller;
152         struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
153         bool power_up;
154         int res;
155 
156         if (glue->enabled != enabled)
157                 glue->enabled = enabled;
158 
159         if (glue->cable_connected != cable)
160                 glue->cable_connected = cable;
161 
162         power_up = glue->enabled && glue->cable_connected;
163         if (power_up == glue->powered) {
164                 dev_warn(musb->controller, "power state already %i\n",
165                          power_up);
166                 return;
167         }
168 
169         glue->powered = power_up;
170 
171         if (power_up) {
172                 res = pm_runtime_get_sync(musb->controller);
173                 if (res < 0) {
174                         dev_err(musb->controller, "could not enable: %i", res);
175                         glue->powered = false;
176                 }
177         } else {
178                 pm_runtime_mark_last_busy(musb->controller);
179                 pm_runtime_put_autosuspend(musb->controller);
180         }
181 }
182 
183 static int omap2430_musb_mailbox(enum musb_vbus_id_status status)
184 {
185         struct omap2430_glue    *glue = _glue;
186 
187         if (!glue) {
188                 pr_err("%s: musb core is not yet initialized\n", __func__);
189                 return -EPROBE_DEFER;
190         }
191         glue->status = status;
192 
193         if (!glue_to_musb(glue)) {
194                 pr_err("%s: musb core is not yet ready\n", __func__);
195                 return -EPROBE_DEFER;
196         }
197 
198         schedule_work(&glue->omap_musb_mailbox_work);
199 
200         return 0;
201 }
202 
203 static void omap_musb_set_mailbox(struct omap2430_glue *glue)
204 {
205         struct musb *musb = glue_to_musb(glue);
206         struct device *dev = musb->controller;
207         struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
208         struct omap_musb_board_data *data = pdata->board_data;
209         struct usb_otg *otg = musb->xceiv->otg;
210         bool cable_connected;
211 
212         cable_connected = ((glue->status == MUSB_ID_GROUND) ||
213                            (glue->status == MUSB_VBUS_VALID));
214 
215         if (cable_connected)
216                 omap2430_set_power(musb, glue->enabled, cable_connected);
217 
218         switch (glue->status) {
219         case MUSB_ID_GROUND:
220                 dev_dbg(dev, "ID GND\n");
221 
222                 otg->default_a = true;
223                 musb->xceiv->otg->state = OTG_STATE_A_IDLE;
224                 musb->xceiv->last_event = USB_EVENT_ID;
225                 if (musb->gadget_driver) {
226                         omap_control_usb_set_mode(glue->control_otghs,
227                                 USB_MODE_HOST);
228                         omap2430_musb_set_vbus(musb, 1);
229                 }
230                 break;
231 
232         case MUSB_VBUS_VALID:
233                 dev_dbg(dev, "VBUS Connect\n");
234 
235                 otg->default_a = false;
236                 musb->xceiv->otg->state = OTG_STATE_B_IDLE;
237                 musb->xceiv->last_event = USB_EVENT_VBUS;
238                 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
239                 break;
240 
241         case MUSB_ID_FLOAT:
242         case MUSB_VBUS_OFF:
243                 dev_dbg(dev, "VBUS Disconnect\n");
244 
245                 musb->xceiv->last_event = USB_EVENT_NONE;
246                 if (musb->gadget_driver)
247                         omap2430_musb_set_vbus(musb, 0);
248 
249                 if (data->interface_type == MUSB_INTERFACE_UTMI)
250                         otg_set_vbus(musb->xceiv->otg, 0);
251 
252                 omap_control_usb_set_mode(glue->control_otghs,
253                         USB_MODE_DISCONNECT);
254                 break;
255         default:
256                 dev_dbg(dev, "ID float\n");
257         }
258 
259         if (!cable_connected)
260                 omap2430_set_power(musb, glue->enabled, cable_connected);
261 
262         atomic_notifier_call_chain(&musb->xceiv->notifier,
263                         musb->xceiv->last_event, NULL);
264 }
265 
266 
267 static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
268 {
269         struct omap2430_glue *glue = container_of(mailbox_work,
270                                 struct omap2430_glue, omap_musb_mailbox_work);
271 
272         omap_musb_set_mailbox(glue);
273 }
274 
275 static irqreturn_t omap2430_musb_interrupt(int irq, void *__hci)
276 {
277         unsigned long   flags;
278         irqreturn_t     retval = IRQ_NONE;
279         struct musb     *musb = __hci;
280 
281         spin_lock_irqsave(&musb->lock, flags);
282 
283         musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB);
284         musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX);
285         musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX);
286 
287         if (musb->int_usb || musb->int_tx || musb->int_rx)
288                 retval = musb_interrupt(musb);
289 
290         spin_unlock_irqrestore(&musb->lock, flags);
291 
292         return retval;
293 }
294 
295 static int omap2430_musb_init(struct musb *musb)
296 {
297         u32 l;
298         int status = 0;
299         struct device *dev = musb->controller;
300         struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
301         struct musb_hdrc_platform_data *plat = dev_get_platdata(dev);
302         struct omap_musb_board_data *data = plat->board_data;
303 
304         /* We require some kind of external transceiver, hooked
305          * up through ULPI.  TWL4030-family PMICs include one,
306          * which needs a driver, drivers aren't always needed.
307          */
308         if (dev->parent->of_node) {
309                 musb->phy = devm_phy_get(dev->parent, "usb2-phy");
310 
311                 /* We can't totally remove musb->xceiv as of now because
312                  * musb core uses xceiv.state and xceiv.otg. Once we have
313                  * a separate state machine to handle otg, these can be moved
314                  * out of xceiv and then we can start using the generic PHY
315                  * framework
316                  */
317                 musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent,
318                     "usb-phy", 0);
319         } else {
320                 musb->xceiv = devm_usb_get_phy_dev(dev, 0);
321                 musb->phy = devm_phy_get(dev, "usb");
322         }
323 
324         if (IS_ERR(musb->xceiv)) {
325                 status = PTR_ERR(musb->xceiv);
326 
327                 if (status == -ENXIO)
328                         return status;
329 
330                 pr_err("HS USB OTG: no transceiver configured\n");
331                 return -EPROBE_DEFER;
332         }
333 
334         if (IS_ERR(musb->phy)) {
335                 pr_err("HS USB OTG: no PHY configured\n");
336                 return PTR_ERR(musb->phy);
337         }
338         musb->isr = omap2430_musb_interrupt;
339         phy_init(musb->phy);
340 
341         l = musb_readl(musb->mregs, OTG_INTERFSEL);
342 
343         if (data->interface_type == MUSB_INTERFACE_UTMI) {
344                 /* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
345                 l &= ~ULPI_12PIN;       /* Disable ULPI */
346                 l |= UTMI_8BIT;         /* Enable UTMI  */
347         } else {
348                 l |= ULPI_12PIN;
349         }
350 
351         musb_writel(musb->mregs, OTG_INTERFSEL, l);
352 
353         pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
354                         "sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
355                         musb_readl(musb->mregs, OTG_REVISION),
356                         musb_readl(musb->mregs, OTG_SYSCONFIG),
357                         musb_readl(musb->mregs, OTG_SYSSTATUS),
358                         musb_readl(musb->mregs, OTG_INTERFSEL),
359                         musb_readl(musb->mregs, OTG_SIMENABLE));
360 
361         if (glue->status != MUSB_UNKNOWN)
362                 omap_musb_set_mailbox(glue);
363 
364         return 0;
365 }
366 
367 static void omap2430_musb_enable(struct musb *musb)
368 {
369         u8              devctl;
370         unsigned long timeout = jiffies + msecs_to_jiffies(1000);
371         struct device *dev = musb->controller;
372         struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
373         struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
374         struct omap_musb_board_data *data = pdata->board_data;
375 
376         if (!WARN_ON(!musb->phy))
377                 phy_power_on(musb->phy);
378 
379         omap2430_set_power(musb, true, glue->cable_connected);
380 
381         switch (glue->status) {
382 
383         case MUSB_ID_GROUND:
384                 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST);
385                 if (data->interface_type != MUSB_INTERFACE_UTMI)
386                         break;
387                 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
388                 /* start the session */
389                 devctl |= MUSB_DEVCTL_SESSION;
390                 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
391                 while (musb_readb(musb->mregs, MUSB_DEVCTL) &
392                                 MUSB_DEVCTL_BDEVICE) {
393                         cpu_relax();
394 
395                         if (time_after(jiffies, timeout)) {
396                                 dev_err(dev, "configured as A device timeout");
397                                 break;
398                         }
399                 }
400                 break;
401 
402         case MUSB_VBUS_VALID:
403                 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
404                 break;
405 
406         default:
407                 break;
408         }
409 }
410 
411 static void omap2430_musb_disable(struct musb *musb)
412 {
413         struct device *dev = musb->controller;
414         struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
415 
416         if (!WARN_ON(!musb->phy))
417                 phy_power_off(musb->phy);
418 
419         if (glue->status != MUSB_UNKNOWN)
420                 omap_control_usb_set_mode(glue->control_otghs,
421                         USB_MODE_DISCONNECT);
422 
423         omap2430_set_power(musb, false, glue->cable_connected);
424 }
425 
426 static int omap2430_musb_exit(struct musb *musb)
427 {
428         struct device *dev = musb->controller;
429         struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
430 
431         omap2430_low_level_exit(musb);
432         phy_exit(musb->phy);
433         musb->phy = NULL;
434         cancel_work_sync(&glue->omap_musb_mailbox_work);
435 
436         return 0;
437 }
438 
439 static const struct musb_platform_ops omap2430_ops = {
440         .quirks         = MUSB_DMA_INVENTRA,
441 #ifdef CONFIG_USB_INVENTRA_DMA
442         .dma_init       = musbhs_dma_controller_create,
443         .dma_exit       = musbhs_dma_controller_destroy,
444 #endif
445         .init           = omap2430_musb_init,
446         .exit           = omap2430_musb_exit,
447 
448         .set_vbus       = omap2430_musb_set_vbus,
449 
450         .enable         = omap2430_musb_enable,
451         .disable        = omap2430_musb_disable,
452 
453         .phy_callback   = omap2430_musb_mailbox,
454 };
455 
456 static u64 omap2430_dmamask = DMA_BIT_MASK(32);
457 
458 static int omap2430_probe(struct platform_device *pdev)
459 {
460         struct resource                 musb_resources[3];
461         struct musb_hdrc_platform_data  *pdata = dev_get_platdata(&pdev->dev);
462         struct omap_musb_board_data     *data;
463         struct platform_device          *musb;
464         struct omap2430_glue            *glue;
465         struct device_node              *np = pdev->dev.of_node;
466         struct musb_hdrc_config         *config;
467         int                             ret = -ENOMEM, val;
468 
469         glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
470         if (!glue)
471                 goto err0;
472 
473         musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
474         if (!musb) {
475                 dev_err(&pdev->dev, "failed to allocate musb device\n");
476                 goto err0;
477         }
478 
479         musb->dev.parent                = &pdev->dev;
480         musb->dev.dma_mask              = &omap2430_dmamask;
481         musb->dev.coherent_dma_mask     = omap2430_dmamask;
482 
483         glue->dev                       = &pdev->dev;
484         glue->musb                      = musb;
485         glue->status                    = MUSB_UNKNOWN;
486         glue->control_otghs = ERR_PTR(-ENODEV);
487 
488         if (np) {
489                 struct device_node *control_node;
490                 struct platform_device *control_pdev;
491 
492                 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
493                 if (!pdata)
494                         goto err2;
495 
496                 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
497                 if (!data)
498                         goto err2;
499 
500                 config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL);
501                 if (!config)
502                         goto err2;
503 
504                 of_property_read_u32(np, "mode", (u32 *)&pdata->mode);
505                 of_property_read_u32(np, "interface-type",
506                                                 (u32 *)&data->interface_type);
507                 of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps);
508                 of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits);
509                 of_property_read_u32(np, "power", (u32 *)&pdata->power);
510 
511                 ret = of_property_read_u32(np, "multipoint", &val);
512                 if (!ret && val)
513                         config->multipoint = true;
514 
515                 pdata->board_data       = data;
516                 pdata->config           = config;
517 
518                 control_node = of_parse_phandle(np, "ctrl-module", 0);
519                 if (control_node) {
520                         control_pdev = of_find_device_by_node(control_node);
521                         if (!control_pdev) {
522                                 dev_err(&pdev->dev, "Failed to get control device\n");
523                                 ret = -EINVAL;
524                                 goto err2;
525                         }
526                         glue->control_otghs = &control_pdev->dev;
527                 }
528         }
529         pdata->platform_ops             = &omap2430_ops;
530 
531         platform_set_drvdata(pdev, glue);
532 
533         /*
534          * REVISIT if we ever have two instances of the wrapper, we will be
535          * in big trouble
536          */
537         _glue   = glue;
538 
539         INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
540 
541         memset(musb_resources, 0x00, sizeof(*musb_resources) *
542                         ARRAY_SIZE(musb_resources));
543 
544         musb_resources[0].name = pdev->resource[0].name;
545         musb_resources[0].start = pdev->resource[0].start;
546         musb_resources[0].end = pdev->resource[0].end;
547         musb_resources[0].flags = pdev->resource[0].flags;
548 
549         musb_resources[1].name = pdev->resource[1].name;
550         musb_resources[1].start = pdev->resource[1].start;
551         musb_resources[1].end = pdev->resource[1].end;
552         musb_resources[1].flags = pdev->resource[1].flags;
553 
554         musb_resources[2].name = pdev->resource[2].name;
555         musb_resources[2].start = pdev->resource[2].start;
556         musb_resources[2].end = pdev->resource[2].end;
557         musb_resources[2].flags = pdev->resource[2].flags;
558 
559         ret = platform_device_add_resources(musb, musb_resources,
560                         ARRAY_SIZE(musb_resources));
561         if (ret) {
562                 dev_err(&pdev->dev, "failed to add resources\n");
563                 goto err2;
564         }
565 
566         ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
567         if (ret) {
568                 dev_err(&pdev->dev, "failed to add platform_data\n");
569                 goto err2;
570         }
571 
572         pm_runtime_enable(glue->dev);
573         pm_runtime_use_autosuspend(glue->dev);
574         pm_runtime_set_autosuspend_delay(glue->dev, 500);
575 
576         ret = platform_device_add(musb);
577         if (ret) {
578                 dev_err(&pdev->dev, "failed to register musb device\n");
579                 goto err2;
580         }
581 
582         return 0;
583 
584 err2:
585         platform_device_put(musb);
586 
587 err0:
588         return ret;
589 }
590 
591 static int omap2430_remove(struct platform_device *pdev)
592 {
593         struct omap2430_glue *glue = platform_get_drvdata(pdev);
594         struct musb *musb = glue_to_musb(glue);
595 
596         pm_runtime_get_sync(glue->dev);
597         platform_device_unregister(glue->musb);
598         omap2430_set_power(musb, false, false);
599         pm_runtime_put_sync(glue->dev);
600         pm_runtime_dont_use_autosuspend(glue->dev);
601         pm_runtime_disable(glue->dev);
602 
603         return 0;
604 }
605 
606 #ifdef CONFIG_PM
607 
608 static int omap2430_runtime_suspend(struct device *dev)
609 {
610         struct omap2430_glue            *glue = dev_get_drvdata(dev);
611         struct musb                     *musb = glue_to_musb(glue);
612 
613         if (!musb)
614                 return 0;
615 
616         musb->context.otg_interfsel = musb_readl(musb->mregs,
617                                                  OTG_INTERFSEL);
618 
619         omap2430_low_level_exit(musb);
620 
621         return 0;
622 }
623 
624 static int omap2430_runtime_resume(struct device *dev)
625 {
626         struct omap2430_glue            *glue = dev_get_drvdata(dev);
627         struct musb                     *musb = glue_to_musb(glue);
628 
629         if (!musb)
630                 return 0;
631 
632         omap2430_low_level_init(musb);
633         musb_writel(musb->mregs, OTG_INTERFSEL,
634                     musb->context.otg_interfsel);
635 
636         return 0;
637 }
638 
639 static struct dev_pm_ops omap2430_pm_ops = {
640         .runtime_suspend = omap2430_runtime_suspend,
641         .runtime_resume = omap2430_runtime_resume,
642 };
643 
644 #define DEV_PM_OPS      (&omap2430_pm_ops)
645 #else
646 #define DEV_PM_OPS      NULL
647 #endif
648 
649 #ifdef CONFIG_OF
650 static const struct of_device_id omap2430_id_table[] = {
651         {
652                 .compatible = "ti,omap4-musb"
653         },
654         {
655                 .compatible = "ti,omap3-musb"
656         },
657         {},
658 };
659 MODULE_DEVICE_TABLE(of, omap2430_id_table);
660 #endif
661 
662 static struct platform_driver omap2430_driver = {
663         .probe          = omap2430_probe,
664         .remove         = omap2430_remove,
665         .driver         = {
666                 .name   = "musb-omap2430",
667                 .pm     = DEV_PM_OPS,
668                 .of_match_table = of_match_ptr(omap2430_id_table),
669         },
670 };
671 
672 module_platform_driver(omap2430_driver);
673 
674 MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");
675 MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
676 MODULE_LICENSE("GPL v2");
677 

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