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8#include <linux/module.h>
9#include <linux/of_platform.h>
10#include <linux/platform_device.h>
11#include <linux/pm_runtime.h>
12#include <linux/usb/chipidea.h>
13#include <linux/usb/of.h>
14#include <linux/clk.h>
15#include <linux/pinctrl/consumer.h>
16#include <linux/pm_qos.h>
17
18#include "ci.h"
19#include "ci_hdrc_imx.h"
20
21struct ci_hdrc_imx_platform_flag {
22 unsigned int flags;
23};
24
25static const struct ci_hdrc_imx_platform_flag imx23_usb_data = {
26 .flags = CI_HDRC_TURN_VBUS_EARLY_ON |
27 CI_HDRC_DISABLE_STREAMING,
28};
29
30static const struct ci_hdrc_imx_platform_flag imx27_usb_data = {
31 .flags = CI_HDRC_DISABLE_STREAMING,
32};
33
34static const struct ci_hdrc_imx_platform_flag imx28_usb_data = {
35 .flags = CI_HDRC_IMX28_WRITE_FIX |
36 CI_HDRC_TURN_VBUS_EARLY_ON |
37 CI_HDRC_DISABLE_STREAMING,
38};
39
40static const struct ci_hdrc_imx_platform_flag imx6q_usb_data = {
41 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
42 CI_HDRC_TURN_VBUS_EARLY_ON |
43 CI_HDRC_DISABLE_STREAMING,
44};
45
46static const struct ci_hdrc_imx_platform_flag imx6sl_usb_data = {
47 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
48 CI_HDRC_TURN_VBUS_EARLY_ON |
49 CI_HDRC_DISABLE_HOST_STREAMING,
50};
51
52static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = {
53 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
54 CI_HDRC_TURN_VBUS_EARLY_ON |
55 CI_HDRC_DISABLE_HOST_STREAMING,
56};
57
58static const struct ci_hdrc_imx_platform_flag imx6ul_usb_data = {
59 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
60 CI_HDRC_TURN_VBUS_EARLY_ON |
61 CI_HDRC_DISABLE_DEVICE_STREAMING,
62};
63
64static const struct ci_hdrc_imx_platform_flag imx7d_usb_data = {
65 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM,
66};
67
68static const struct ci_hdrc_imx_platform_flag imx7ulp_usb_data = {
69 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
70 CI_HDRC_PMQOS,
71};
72
73static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
74 { .compatible = "fsl,imx23-usb", .data = &imx23_usb_data},
75 { .compatible = "fsl,imx28-usb", .data = &imx28_usb_data},
76 { .compatible = "fsl,imx27-usb", .data = &imx27_usb_data},
77 { .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data},
78 { .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data},
79 { .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data},
80 { .compatible = "fsl,imx6ul-usb", .data = &imx6ul_usb_data},
81 { .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data},
82 { .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data},
83 { }
84};
85MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
86
87struct ci_hdrc_imx_data {
88 struct usb_phy *phy;
89 struct platform_device *ci_pdev;
90 struct clk *clk;
91 struct imx_usbmisc_data *usbmisc_data;
92 bool supports_runtime_pm;
93 bool override_phy_control;
94 bool in_lpm;
95 struct pinctrl *pinctrl;
96 struct pinctrl_state *pinctrl_hsic_active;
97 struct regulator *hsic_pad_regulator;
98
99 bool need_three_clks;
100 struct clk *clk_ipg;
101 struct clk *clk_ahb;
102 struct clk *clk_per;
103
104 struct pm_qos_request pm_qos_req;
105 const struct ci_hdrc_imx_platform_flag *plat_data;
106};
107
108
109
110static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
111{
112 struct platform_device *misc_pdev;
113 struct device_node *np = dev->of_node;
114 struct of_phandle_args args;
115 struct imx_usbmisc_data *data;
116 int ret;
117
118
119
120
121
122 if (!of_get_property(np, "fsl,usbmisc", NULL))
123 return NULL;
124
125 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
126 if (!data)
127 return ERR_PTR(-ENOMEM);
128
129 ret = of_parse_phandle_with_args(np, "fsl,usbmisc", "#index-cells",
130 0, &args);
131 if (ret) {
132 dev_err(dev, "Failed to parse property fsl,usbmisc, errno %d\n",
133 ret);
134 return ERR_PTR(ret);
135 }
136
137 data->index = args.args[0];
138
139 misc_pdev = of_find_device_by_node(args.np);
140 of_node_put(args.np);
141
142 if (!misc_pdev)
143 return ERR_PTR(-EPROBE_DEFER);
144
145 if (!platform_get_drvdata(misc_pdev)) {
146 put_device(&misc_pdev->dev);
147 return ERR_PTR(-EPROBE_DEFER);
148 }
149 data->dev = &misc_pdev->dev;
150
151
152
153
154
155 if (of_find_property(np, "disable-over-current", NULL)) {
156 data->disable_oc = 1;
157 } else if (of_find_property(np, "over-current-active-high", NULL)) {
158 data->oc_pol_active_low = 0;
159 data->oc_pol_configured = 1;
160 } else if (of_find_property(np, "over-current-active-low", NULL)) {
161 data->oc_pol_active_low = 1;
162 data->oc_pol_configured = 1;
163 } else {
164 dev_warn(dev, "No over current polarity defined\n");
165 }
166
167 data->pwr_pol = of_property_read_bool(np, "power-active-high");
168 data->evdo = of_property_read_bool(np, "external-vbus-divider");
169
170 if (of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI)
171 data->ulpi = 1;
172
173 of_property_read_u32(np, "samsung,picophy-pre-emp-curr-control",
174 &data->emp_curr_control);
175 of_property_read_u32(np, "samsung,picophy-dc-vol-level-adjust",
176 &data->dc_vol_level_adjust);
177
178 return data;
179}
180
181
182static int imx_get_clks(struct device *dev)
183{
184 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
185 int ret = 0;
186
187 data->clk_ipg = devm_clk_get(dev, "ipg");
188 if (IS_ERR(data->clk_ipg)) {
189
190 data->clk = devm_clk_get(dev, NULL);
191 if (IS_ERR(data->clk)) {
192 ret = PTR_ERR(data->clk);
193 dev_err(dev,
194 "Failed to get clks, err=%ld,%ld\n",
195 PTR_ERR(data->clk), PTR_ERR(data->clk_ipg));
196 return ret;
197 }
198 return ret;
199 }
200
201 data->clk_ahb = devm_clk_get(dev, "ahb");
202 if (IS_ERR(data->clk_ahb)) {
203 ret = PTR_ERR(data->clk_ahb);
204 dev_err(dev,
205 "Failed to get ahb clock, err=%d\n", ret);
206 return ret;
207 }
208
209 data->clk_per = devm_clk_get(dev, "per");
210 if (IS_ERR(data->clk_per)) {
211 ret = PTR_ERR(data->clk_per);
212 dev_err(dev,
213 "Failed to get per clock, err=%d\n", ret);
214 return ret;
215 }
216
217 data->need_three_clks = true;
218 return ret;
219}
220
221static int imx_prepare_enable_clks(struct device *dev)
222{
223 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
224 int ret = 0;
225
226 if (data->need_three_clks) {
227 ret = clk_prepare_enable(data->clk_ipg);
228 if (ret) {
229 dev_err(dev,
230 "Failed to prepare/enable ipg clk, err=%d\n",
231 ret);
232 return ret;
233 }
234
235 ret = clk_prepare_enable(data->clk_ahb);
236 if (ret) {
237 dev_err(dev,
238 "Failed to prepare/enable ahb clk, err=%d\n",
239 ret);
240 clk_disable_unprepare(data->clk_ipg);
241 return ret;
242 }
243
244 ret = clk_prepare_enable(data->clk_per);
245 if (ret) {
246 dev_err(dev,
247 "Failed to prepare/enable per clk, err=%d\n",
248 ret);
249 clk_disable_unprepare(data->clk_ahb);
250 clk_disable_unprepare(data->clk_ipg);
251 return ret;
252 }
253 } else {
254 ret = clk_prepare_enable(data->clk);
255 if (ret) {
256 dev_err(dev,
257 "Failed to prepare/enable clk, err=%d\n",
258 ret);
259 return ret;
260 }
261 }
262
263 return ret;
264}
265
266static void imx_disable_unprepare_clks(struct device *dev)
267{
268 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
269
270 if (data->need_three_clks) {
271 clk_disable_unprepare(data->clk_per);
272 clk_disable_unprepare(data->clk_ahb);
273 clk_disable_unprepare(data->clk_ipg);
274 } else {
275 clk_disable_unprepare(data->clk);
276 }
277}
278
279static int ci_hdrc_imx_notify_event(struct ci_hdrc *ci, unsigned int event)
280{
281 struct device *dev = ci->dev->parent;
282 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
283 int ret = 0;
284 struct imx_usbmisc_data *mdata = data->usbmisc_data;
285
286 switch (event) {
287 case CI_HDRC_IMX_HSIC_ACTIVE_EVENT:
288 if (data->pinctrl) {
289 ret = pinctrl_select_state(data->pinctrl,
290 data->pinctrl_hsic_active);
291 if (ret)
292 dev_err(dev,
293 "hsic_active select failed, err=%d\n",
294 ret);
295 }
296 break;
297 case CI_HDRC_IMX_HSIC_SUSPEND_EVENT:
298 ret = imx_usbmisc_hsic_set_connect(mdata);
299 if (ret)
300 dev_err(dev,
301 "hsic_set_connect failed, err=%d\n", ret);
302 break;
303 case CI_HDRC_CONTROLLER_VBUS_EVENT:
304 if (ci->vbus_active)
305 ret = imx_usbmisc_charger_detection(mdata, true);
306 else
307 ret = imx_usbmisc_charger_detection(mdata, false);
308 if (ci->usb_phy)
309 schedule_work(&ci->usb_phy->chg_work);
310 break;
311 default:
312 break;
313 }
314
315 return ret;
316}
317
318static int ci_hdrc_imx_probe(struct platform_device *pdev)
319{
320 struct ci_hdrc_imx_data *data;
321 struct ci_hdrc_platform_data pdata = {
322 .name = dev_name(&pdev->dev),
323 .capoffset = DEF_CAPOFFSET,
324 .notify_event = ci_hdrc_imx_notify_event,
325 };
326 int ret;
327 const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
328 struct device_node *np = pdev->dev.of_node;
329 struct device *dev = &pdev->dev;
330
331 imx_platform_flag = of_device_get_match_data(&pdev->dev);
332
333 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
334 if (!data)
335 return -ENOMEM;
336
337 data->plat_data = imx_platform_flag;
338 pdata.flags |= imx_platform_flag->flags;
339 platform_set_drvdata(pdev, data);
340 data->usbmisc_data = usbmisc_get_init_data(dev);
341 if (IS_ERR(data->usbmisc_data))
342 return PTR_ERR(data->usbmisc_data);
343
344 if ((of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC)
345 && data->usbmisc_data) {
346 pdata.flags |= CI_HDRC_IMX_IS_HSIC;
347 data->usbmisc_data->hsic = 1;
348 data->pinctrl = devm_pinctrl_get(dev);
349 if (PTR_ERR(data->pinctrl) == -ENODEV)
350 data->pinctrl = NULL;
351 else if (IS_ERR(data->pinctrl)) {
352 if (PTR_ERR(data->pinctrl) != -EPROBE_DEFER)
353 dev_err(dev, "pinctrl get failed, err=%ld\n",
354 PTR_ERR(data->pinctrl));
355 return PTR_ERR(data->pinctrl);
356 }
357
358 data->hsic_pad_regulator =
359 devm_regulator_get_optional(dev, "hsic");
360 if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {
361
362 data->hsic_pad_regulator = NULL;
363 } else if (IS_ERR(data->hsic_pad_regulator)) {
364 if (PTR_ERR(data->hsic_pad_regulator) != -EPROBE_DEFER)
365 dev_err(dev,
366 "Get HSIC pad regulator error: %ld\n",
367 PTR_ERR(data->hsic_pad_regulator));
368 return PTR_ERR(data->hsic_pad_regulator);
369 }
370
371 if (data->hsic_pad_regulator) {
372 ret = regulator_enable(data->hsic_pad_regulator);
373 if (ret) {
374 dev_err(dev,
375 "Failed to enable HSIC pad regulator\n");
376 return ret;
377 }
378 }
379 }
380
381
382 if (data->pinctrl) {
383 struct pinctrl_state *pinctrl_hsic_idle;
384
385 pinctrl_hsic_idle = pinctrl_lookup_state(data->pinctrl, "idle");
386 if (IS_ERR(pinctrl_hsic_idle)) {
387 dev_err(dev,
388 "pinctrl_hsic_idle lookup failed, err=%ld\n",
389 PTR_ERR(pinctrl_hsic_idle));
390 return PTR_ERR(pinctrl_hsic_idle);
391 }
392
393 ret = pinctrl_select_state(data->pinctrl, pinctrl_hsic_idle);
394 if (ret) {
395 dev_err(dev, "hsic_idle select failed, err=%d\n", ret);
396 return ret;
397 }
398
399 data->pinctrl_hsic_active = pinctrl_lookup_state(data->pinctrl,
400 "active");
401 if (IS_ERR(data->pinctrl_hsic_active)) {
402 dev_err(dev,
403 "pinctrl_hsic_active lookup failed, err=%ld\n",
404 PTR_ERR(data->pinctrl_hsic_active));
405 return PTR_ERR(data->pinctrl_hsic_active);
406 }
407 }
408
409 if (pdata.flags & CI_HDRC_PMQOS)
410 cpu_latency_qos_add_request(&data->pm_qos_req, 0);
411
412 ret = imx_get_clks(dev);
413 if (ret)
414 goto disable_hsic_regulator;
415
416 ret = imx_prepare_enable_clks(dev);
417 if (ret)
418 goto disable_hsic_regulator;
419
420 data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0);
421 if (IS_ERR(data->phy)) {
422 ret = PTR_ERR(data->phy);
423 if (ret != -ENODEV)
424 goto err_clk;
425 data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0);
426 if (IS_ERR(data->phy)) {
427 ret = PTR_ERR(data->phy);
428 if (ret == -ENODEV)
429 data->phy = NULL;
430 else
431 goto err_clk;
432 }
433 }
434
435 pdata.usb_phy = data->phy;
436 if (data->usbmisc_data)
437 data->usbmisc_data->usb_phy = data->phy;
438
439 if ((of_device_is_compatible(np, "fsl,imx53-usb") ||
440 of_device_is_compatible(np, "fsl,imx51-usb")) && pdata.usb_phy &&
441 of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI) {
442 pdata.flags |= CI_HDRC_OVERRIDE_PHY_CONTROL;
443 data->override_phy_control = true;
444 usb_phy_init(pdata.usb_phy);
445 }
446
447 if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM)
448 data->supports_runtime_pm = true;
449
450 ret = imx_usbmisc_init(data->usbmisc_data);
451 if (ret) {
452 dev_err(dev, "usbmisc init failed, ret=%d\n", ret);
453 goto err_clk;
454 }
455
456 data->ci_pdev = ci_hdrc_add_device(dev,
457 pdev->resource, pdev->num_resources,
458 &pdata);
459 if (IS_ERR(data->ci_pdev)) {
460 ret = PTR_ERR(data->ci_pdev);
461 if (ret != -EPROBE_DEFER)
462 dev_err(dev, "ci_hdrc_add_device failed, err=%d\n",
463 ret);
464 goto err_clk;
465 }
466
467 if (data->usbmisc_data) {
468 if (!IS_ERR(pdata.id_extcon.edev) ||
469 of_property_read_bool(np, "usb-role-switch"))
470 data->usbmisc_data->ext_id = 1;
471
472 if (!IS_ERR(pdata.vbus_extcon.edev) ||
473 of_property_read_bool(np, "usb-role-switch"))
474 data->usbmisc_data->ext_vbus = 1;
475
476
477 data->usbmisc_data->available_role =
478 ci_hdrc_query_available_role(data->ci_pdev);
479 }
480
481 ret = imx_usbmisc_init_post(data->usbmisc_data);
482 if (ret) {
483 dev_err(dev, "usbmisc post failed, ret=%d\n", ret);
484 goto disable_device;
485 }
486
487 if (data->supports_runtime_pm) {
488 pm_runtime_set_active(dev);
489 pm_runtime_enable(dev);
490 }
491
492 device_set_wakeup_capable(dev, true);
493
494 return 0;
495
496disable_device:
497 ci_hdrc_remove_device(data->ci_pdev);
498err_clk:
499 imx_disable_unprepare_clks(dev);
500disable_hsic_regulator:
501 if (data->hsic_pad_regulator)
502
503 regulator_disable(data->hsic_pad_regulator);
504 if (pdata.flags & CI_HDRC_PMQOS)
505 cpu_latency_qos_remove_request(&data->pm_qos_req);
506 data->ci_pdev = NULL;
507 return ret;
508}
509
510static int ci_hdrc_imx_remove(struct platform_device *pdev)
511{
512 struct ci_hdrc_imx_data *data = platform_get_drvdata(pdev);
513
514 if (data->supports_runtime_pm) {
515 pm_runtime_get_sync(&pdev->dev);
516 pm_runtime_disable(&pdev->dev);
517 pm_runtime_put_noidle(&pdev->dev);
518 }
519 if (data->ci_pdev)
520 ci_hdrc_remove_device(data->ci_pdev);
521 if (data->override_phy_control)
522 usb_phy_shutdown(data->phy);
523 if (data->ci_pdev) {
524 imx_disable_unprepare_clks(&pdev->dev);
525 if (data->plat_data->flags & CI_HDRC_PMQOS)
526 cpu_latency_qos_remove_request(&data->pm_qos_req);
527 if (data->hsic_pad_regulator)
528 regulator_disable(data->hsic_pad_regulator);
529 }
530
531 return 0;
532}
533
534static void ci_hdrc_imx_shutdown(struct platform_device *pdev)
535{
536 ci_hdrc_imx_remove(pdev);
537}
538
539static int __maybe_unused imx_controller_suspend(struct device *dev)
540{
541 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
542 int ret = 0;
543
544 dev_dbg(dev, "at %s\n", __func__);
545
546 ret = imx_usbmisc_hsic_set_clk(data->usbmisc_data, false);
547 if (ret) {
548 dev_err(dev, "usbmisc hsic_set_clk failed, ret=%d\n", ret);
549 return ret;
550 }
551
552 imx_disable_unprepare_clks(dev);
553 if (data->plat_data->flags & CI_HDRC_PMQOS)
554 cpu_latency_qos_remove_request(&data->pm_qos_req);
555
556 data->in_lpm = true;
557
558 return 0;
559}
560
561static int __maybe_unused imx_controller_resume(struct device *dev)
562{
563 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
564 int ret = 0;
565
566 dev_dbg(dev, "at %s\n", __func__);
567
568 if (!data->in_lpm) {
569 WARN_ON(1);
570 return 0;
571 }
572
573 if (data->plat_data->flags & CI_HDRC_PMQOS)
574 cpu_latency_qos_add_request(&data->pm_qos_req, 0);
575
576 ret = imx_prepare_enable_clks(dev);
577 if (ret)
578 return ret;
579
580 data->in_lpm = false;
581
582 ret = imx_usbmisc_set_wakeup(data->usbmisc_data, false);
583 if (ret) {
584 dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n", ret);
585 goto clk_disable;
586 }
587
588 ret = imx_usbmisc_hsic_set_clk(data->usbmisc_data, true);
589 if (ret) {
590 dev_err(dev, "usbmisc hsic_set_clk failed, ret=%d\n", ret);
591 goto hsic_set_clk_fail;
592 }
593
594 return 0;
595
596hsic_set_clk_fail:
597 imx_usbmisc_set_wakeup(data->usbmisc_data, true);
598clk_disable:
599 imx_disable_unprepare_clks(dev);
600 return ret;
601}
602
603static int __maybe_unused ci_hdrc_imx_suspend(struct device *dev)
604{
605 int ret;
606
607 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
608
609 if (data->in_lpm)
610
611 return 0;
612
613 if (device_may_wakeup(dev)) {
614 ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
615 if (ret) {
616 dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n",
617 ret);
618 return ret;
619 }
620 }
621
622 ret = imx_controller_suspend(dev);
623 if (ret)
624 return ret;
625
626 pinctrl_pm_select_sleep_state(dev);
627 return ret;
628}
629
630static int __maybe_unused ci_hdrc_imx_resume(struct device *dev)
631{
632 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
633 int ret;
634
635 pinctrl_pm_select_default_state(dev);
636 ret = imx_controller_resume(dev);
637 if (!ret && data->supports_runtime_pm) {
638 pm_runtime_disable(dev);
639 pm_runtime_set_active(dev);
640 pm_runtime_enable(dev);
641 }
642
643 return ret;
644}
645
646static int __maybe_unused ci_hdrc_imx_runtime_suspend(struct device *dev)
647{
648 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
649 int ret;
650
651 if (data->in_lpm) {
652 WARN_ON(1);
653 return 0;
654 }
655
656 ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
657 if (ret) {
658 dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n", ret);
659 return ret;
660 }
661
662 return imx_controller_suspend(dev);
663}
664
665static int __maybe_unused ci_hdrc_imx_runtime_resume(struct device *dev)
666{
667 return imx_controller_resume(dev);
668}
669
670static const struct dev_pm_ops ci_hdrc_imx_pm_ops = {
671 SET_SYSTEM_SLEEP_PM_OPS(ci_hdrc_imx_suspend, ci_hdrc_imx_resume)
672 SET_RUNTIME_PM_OPS(ci_hdrc_imx_runtime_suspend,
673 ci_hdrc_imx_runtime_resume, NULL)
674};
675static struct platform_driver ci_hdrc_imx_driver = {
676 .probe = ci_hdrc_imx_probe,
677 .remove = ci_hdrc_imx_remove,
678 .shutdown = ci_hdrc_imx_shutdown,
679 .driver = {
680 .name = "imx_usb",
681 .of_match_table = ci_hdrc_imx_dt_ids,
682 .pm = &ci_hdrc_imx_pm_ops,
683 },
684};
685
686module_platform_driver(ci_hdrc_imx_driver);
687
688MODULE_ALIAS("platform:imx-usb");
689MODULE_LICENSE("GPL");
690MODULE_DESCRIPTION("CI HDRC i.MX USB binding");
691MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
692MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");
693
