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1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright 2012 Freescale Semiconductor, Inc.
4 * Copyright (C) 2012 Marek Vasut <marex@denx.de>
5 * on behalf of DENX Software Engineering GmbH
6 */
7
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};
62
63static const struct ci_hdrc_imx_platform_flag imx7d_usb_data = {
64 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM,
65};
66
67static const struct ci_hdrc_imx_platform_flag imx7ulp_usb_data = {
68 .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
69 CI_HDRC_PMQOS,
70};
71
72static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
73 { .compatible = "fsl,imx23-usb", .data = &imx23_usb_data},
74 { .compatible = "fsl,imx28-usb", .data = &imx28_usb_data},
75 { .compatible = "fsl,imx27-usb", .data = &imx27_usb_data},
76 { .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data},
77 { .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data},
78 { .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data},
79 { .compatible = "fsl,imx6ul-usb", .data = &imx6ul_usb_data},
80 { .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data},
81 { .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data},
82 { /* sentinel */ }
83};
84MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
85
86struct ci_hdrc_imx_data {
87 struct usb_phy *phy;
88 struct platform_device *ci_pdev;
89 struct clk *clk;
90 struct imx_usbmisc_data *usbmisc_data;
91 bool supports_runtime_pm;
92 bool override_phy_control;
93 bool in_lpm;
94 struct pinctrl *pinctrl;
95 struct pinctrl_state *pinctrl_hsic_active;
96 struct regulator *hsic_pad_regulator;
97 /* SoC before i.mx6 (except imx23/imx28) needs three clks */
98 bool need_three_clks;
99 struct clk *clk_ipg;
100 struct clk *clk_ahb;
101 struct clk *clk_per;
102 /* --------------------------------- */
103 struct pm_qos_request pm_qos_req;
104 const struct ci_hdrc_imx_platform_flag *plat_data;
105};
106
107/* Common functions shared by usbmisc drivers */
108
109static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
110{
111 struct platform_device *misc_pdev;
112 struct device_node *np = dev->of_node;
113 struct of_phandle_args args;
114 struct imx_usbmisc_data *data;
115 int ret;
116
117 /*
118 * In case the fsl,usbmisc property is not present this device doesn't
119 * need usbmisc. Return NULL (which is no error here)
120 */
121 if (!of_get_property(np, "fsl,usbmisc", NULL))
122 return NULL;
123
124 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
125 if (!data)
126 return ERR_PTR(-ENOMEM);
127
128 ret = of_parse_phandle_with_args(np, "fsl,usbmisc", "#index-cells",
129 0, &args);
130 if (ret) {
131 dev_err(dev, "Failed to parse property fsl,usbmisc, errno %d\n",
132 ret);
133 return ERR_PTR(ret);
134 }
135
136 data->index = args.args[0];
137
138 misc_pdev = of_find_device_by_node(args.np);
139 of_node_put(args.np);
140
141 if (!misc_pdev || !platform_get_drvdata(misc_pdev))
142 return ERR_PTR(-EPROBE_DEFER);
143
144 data->dev = &misc_pdev->dev;
145
146 /*
147 * Check the various over current related properties. If over current
148 * detection is disabled we're not interested in the polarity.
149 */
150 if (of_find_property(np, "disable-over-current", NULL)) {
151 data->disable_oc = 1;
152 } else if (of_find_property(np, "over-current-active-high", NULL)) {
153 data->oc_pol_active_low = 0;
154 data->oc_pol_configured = 1;
155 } else if (of_find_property(np, "over-current-active-low", NULL)) {
156 data->oc_pol_active_low = 1;
157 data->oc_pol_configured = 1;
158 } else {
159 dev_warn(dev, "No over current polarity defined\n");
160 }
161
162 data->pwr_pol = of_property_read_bool(np, "power-active-high");
163 data->evdo = of_property_read_bool(np, "external-vbus-divider");
164
165 if (of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI)
166 data->ulpi = 1;
167
168 return data;
169}
170
171/* End of common functions shared by usbmisc drivers*/
172static int imx_get_clks(struct device *dev)
173{
174 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
175 int ret = 0;
176
177 data->clk_ipg = devm_clk_get(dev, "ipg");
178 if (IS_ERR(data->clk_ipg)) {
179 /* If the platform only needs one clocks */
180 data->clk = devm_clk_get(dev, NULL);
181 if (IS_ERR(data->clk)) {
182 ret = PTR_ERR(data->clk);
183 dev_err(dev,
184 "Failed to get clks, err=%ld,%ld\n",
185 PTR_ERR(data->clk), PTR_ERR(data->clk_ipg));
186 return ret;
187 }
188 return ret;
189 }
190
191 data->clk_ahb = devm_clk_get(dev, "ahb");
192 if (IS_ERR(data->clk_ahb)) {
193 ret = PTR_ERR(data->clk_ahb);
194 dev_err(dev,
195 "Failed to get ahb clock, err=%d\n", ret);
196 return ret;
197 }
198
199 data->clk_per = devm_clk_get(dev, "per");
200 if (IS_ERR(data->clk_per)) {
201 ret = PTR_ERR(data->clk_per);
202 dev_err(dev,
203 "Failed to get per clock, err=%d\n", ret);
204 return ret;
205 }
206
207 data->need_three_clks = true;
208 return ret;
209}
210
211static int imx_prepare_enable_clks(struct device *dev)
212{
213 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
214 int ret = 0;
215
216 if (data->need_three_clks) {
217 ret = clk_prepare_enable(data->clk_ipg);
218 if (ret) {
219 dev_err(dev,
220 "Failed to prepare/enable ipg clk, err=%d\n",
221 ret);
222 return ret;
223 }
224
225 ret = clk_prepare_enable(data->clk_ahb);
226 if (ret) {
227 dev_err(dev,
228 "Failed to prepare/enable ahb clk, err=%d\n",
229 ret);
230 clk_disable_unprepare(data->clk_ipg);
231 return ret;
232 }
233
234 ret = clk_prepare_enable(data->clk_per);
235 if (ret) {
236 dev_err(dev,
237 "Failed to prepare/enable per clk, err=%d\n",
238 ret);
239 clk_disable_unprepare(data->clk_ahb);
240 clk_disable_unprepare(data->clk_ipg);
241 return ret;
242 }
243 } else {
244 ret = clk_prepare_enable(data->clk);
245 if (ret) {
246 dev_err(dev,
247 "Failed to prepare/enable clk, err=%d\n",
248 ret);
249 return ret;
250 }
251 }
252
253 return ret;
254}
255
256static void imx_disable_unprepare_clks(struct device *dev)
257{
258 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
259
260 if (data->need_three_clks) {
261 clk_disable_unprepare(data->clk_per);
262 clk_disable_unprepare(data->clk_ahb);
263 clk_disable_unprepare(data->clk_ipg);
264 } else {
265 clk_disable_unprepare(data->clk);
266 }
267}
268
269static int ci_hdrc_imx_notify_event(struct ci_hdrc *ci, unsigned int event)
270{
271 struct device *dev = ci->dev->parent;
272 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
273 int ret = 0;
274 struct imx_usbmisc_data *mdata = data->usbmisc_data;
275
276 switch (event) {
277 case CI_HDRC_IMX_HSIC_ACTIVE_EVENT:
278 if (data->pinctrl) {
279 ret = pinctrl_select_state(data->pinctrl,
280 data->pinctrl_hsic_active);
281 if (ret)
282 dev_err(dev,
283 "hsic_active select failed, err=%d\n",
284 ret);
285 }
286 break;
287 case CI_HDRC_IMX_HSIC_SUSPEND_EVENT:
288 ret = imx_usbmisc_hsic_set_connect(mdata);
289 if (ret)
290 dev_err(dev,
291 "hsic_set_connect failed, err=%d\n", ret);
292 break;
293 case CI_HDRC_CONTROLLER_VBUS_EVENT:
294 if (ci->vbus_active)
295 ret = imx_usbmisc_charger_detection(mdata, true);
296 else
297 ret = imx_usbmisc_charger_detection(mdata, false);
298 if (ci->usb_phy)
299 schedule_work(&ci->usb_phy->chg_work);
300 break;
301 default:
302 break;
303 }
304
305 return ret;
306}
307
308static int ci_hdrc_imx_probe(struct platform_device *pdev)
309{
310 struct ci_hdrc_imx_data *data;
311 struct ci_hdrc_platform_data pdata = {
312 .name = dev_name(&pdev->dev),
313 .capoffset = DEF_CAPOFFSET,
314 .notify_event = ci_hdrc_imx_notify_event,
315 };
316 int ret;
317 const struct of_device_id *of_id;
318 const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
319 struct device_node *np = pdev->dev.of_node;
320 struct device *dev = &pdev->dev;
321
322 of_id = of_match_device(ci_hdrc_imx_dt_ids, dev);
323 if (!of_id)
324 return -ENODEV;
325
326 imx_platform_flag = of_id->data;
327
328 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
329 if (!data)
330 return -ENOMEM;
331
332 data->plat_data = imx_platform_flag;
333 pdata.flags |= imx_platform_flag->flags;
334 platform_set_drvdata(pdev, data);
335 data->usbmisc_data = usbmisc_get_init_data(dev);
336 if (IS_ERR(data->usbmisc_data))
337 return PTR_ERR(data->usbmisc_data);
338
339 if ((of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC)
340 && data->usbmisc_data) {
341 pdata.flags |= CI_HDRC_IMX_IS_HSIC;
342 data->usbmisc_data->hsic = 1;
343 data->pinctrl = devm_pinctrl_get(dev);
344 if (PTR_ERR(data->pinctrl) == -ENODEV)
345 data->pinctrl = NULL;
346 else if (IS_ERR(data->pinctrl)) {
347 if (PTR_ERR(data->pinctrl) != -EPROBE_DEFER)
348 dev_err(dev, "pinctrl get failed, err=%ld\n",
349 PTR_ERR(data->pinctrl));
350 return PTR_ERR(data->pinctrl);
351 }
352
353 data->hsic_pad_regulator =
354 devm_regulator_get_optional(dev, "hsic");
355 if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {
356 /* no pad regualator is needed */
357 data->hsic_pad_regulator = NULL;
358 } else if (IS_ERR(data->hsic_pad_regulator)) {
359 if (PTR_ERR(data->hsic_pad_regulator) != -EPROBE_DEFER)
360 dev_err(dev,
361 "Get HSIC pad regulator error: %ld\n",
362 PTR_ERR(data->hsic_pad_regulator));
363 return PTR_ERR(data->hsic_pad_regulator);
364 }
365
366 if (data->hsic_pad_regulator) {
367 ret = regulator_enable(data->hsic_pad_regulator);
368 if (ret) {
369 dev_err(dev,
370 "Failed to enable HSIC pad regulator\n");
371 return ret;
372 }
373 }
374 }
375
376 /* HSIC pinctrl handling */
377 if (data->pinctrl) {
378 struct pinctrl_state *pinctrl_hsic_idle;
379
380 pinctrl_hsic_idle = pinctrl_lookup_state(data->pinctrl, "idle");
381 if (IS_ERR(pinctrl_hsic_idle)) {
382 dev_err(dev,
383 "pinctrl_hsic_idle lookup failed, err=%ld\n",
384 PTR_ERR(pinctrl_hsic_idle));
385 return PTR_ERR(pinctrl_hsic_idle);
386 }
387
388 ret = pinctrl_select_state(data->pinctrl, pinctrl_hsic_idle);
389 if (ret) {
390 dev_err(dev, "hsic_idle select failed, err=%d\n", ret);
391 return ret;
392 }
393
394 data->pinctrl_hsic_active = pinctrl_lookup_state(data->pinctrl,
395 "active");
396 if (IS_ERR(data->pinctrl_hsic_active)) {
397 dev_err(dev,
398 "pinctrl_hsic_active lookup failed, err=%ld\n",
399 PTR_ERR(data->pinctrl_hsic_active));
400 return PTR_ERR(data->pinctrl_hsic_active);
401 }
402 }
403
404 if (pdata.flags & CI_HDRC_PMQOS)
405 cpu_latency_qos_add_request(&data->pm_qos_req, 0);
406
407 ret = imx_get_clks(dev);
408 if (ret)
409 goto disable_hsic_regulator;
410
411 ret = imx_prepare_enable_clks(dev);
412 if (ret)
413 goto disable_hsic_regulator;
414
415 data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0);
416 if (IS_ERR(data->phy)) {
417 ret = PTR_ERR(data->phy);
418 /* Return -EINVAL if no usbphy is available */
419 if (ret == -ENODEV)
420 data->phy = NULL;
421 else
422 goto err_clk;
423 }
424
425 pdata.usb_phy = data->phy;
426 if (data->usbmisc_data)
427 data->usbmisc_data->usb_phy = data->phy;
428
429 if ((of_device_is_compatible(np, "fsl,imx53-usb") ||
430 of_device_is_compatible(np, "fsl,imx51-usb")) && pdata.usb_phy &&
431 of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI) {
432 pdata.flags |= CI_HDRC_OVERRIDE_PHY_CONTROL;
433 data->override_phy_control = true;
434 usb_phy_init(pdata.usb_phy);
435 }
436
437 if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM)
438 data->supports_runtime_pm = true;
439
440 ret = imx_usbmisc_init(data->usbmisc_data);
441 if (ret) {
442 dev_err(dev, "usbmisc init failed, ret=%d\n", ret);
443 goto err_clk;
444 }
445
446 data->ci_pdev = ci_hdrc_add_device(dev,
447 pdev->resource, pdev->num_resources,
448 &pdata);
449 if (IS_ERR(data->ci_pdev)) {
450 ret = PTR_ERR(data->ci_pdev);
451 if (ret != -EPROBE_DEFER)
452 dev_err(dev, "ci_hdrc_add_device failed, err=%d\n",
453 ret);
454 goto err_clk;
455 }
456
457 if (data->usbmisc_data) {
458 if (!IS_ERR(pdata.id_extcon.edev) ||
459 of_property_read_bool(np, "usb-role-switch"))
460 data->usbmisc_data->ext_id = 1;
461
462 if (!IS_ERR(pdata.vbus_extcon.edev) ||
463 of_property_read_bool(np, "usb-role-switch"))
464 data->usbmisc_data->ext_vbus = 1;
465
466 /* usbmisc needs to know dr mode to choose wakeup setting */
467 data->usbmisc_data->available_role =
468 ci_hdrc_query_available_role(data->ci_pdev);
469 }
470
471 ret = imx_usbmisc_init_post(data->usbmisc_data);
472 if (ret) {
473 dev_err(dev, "usbmisc post failed, ret=%d\n", ret);
474 goto disable_device;
475 }
476
477 if (data->supports_runtime_pm) {
478 pm_runtime_set_active(dev);
479 pm_runtime_enable(dev);
480 }
481
482 device_set_wakeup_capable(dev, true);
483
484 return 0;
485
486disable_device:
487 ci_hdrc_remove_device(data->ci_pdev);
488err_clk:
489 imx_disable_unprepare_clks(dev);
490disable_hsic_regulator:
491 if (data->hsic_pad_regulator)
492 /* don't overwrite original ret (cf. EPROBE_DEFER) */
493 regulator_disable(data->hsic_pad_regulator);
494 if (pdata.flags & CI_HDRC_PMQOS)
495 cpu_latency_qos_remove_request(&data->pm_qos_req);
496 data->ci_pdev = NULL;
497 return ret;
498}
499
500static int ci_hdrc_imx_remove(struct platform_device *pdev)
501{
502 struct ci_hdrc_imx_data *data = platform_get_drvdata(pdev);
503
504 if (data->supports_runtime_pm) {
505 pm_runtime_get_sync(&pdev->dev);
506 pm_runtime_disable(&pdev->dev);
507 pm_runtime_put_noidle(&pdev->dev);
508 }
509 if (data->ci_pdev)
510 ci_hdrc_remove_device(data->ci_pdev);
511 if (data->override_phy_control)
512 usb_phy_shutdown(data->phy);
513 if (data->ci_pdev) {
514 imx_disable_unprepare_clks(&pdev->dev);
515 if (data->plat_data->flags & CI_HDRC_PMQOS)
516 cpu_latency_qos_remove_request(&data->pm_qos_req);
517 if (data->hsic_pad_regulator)
518 regulator_disable(data->hsic_pad_regulator);
519 }
520
521 return 0;
522}
523
524static void ci_hdrc_imx_shutdown(struct platform_device *pdev)
525{
526 ci_hdrc_imx_remove(pdev);
527}
528
529static int __maybe_unused imx_controller_suspend(struct device *dev)
530{
531 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
532 int ret = 0;
533
534 dev_dbg(dev, "at %s\n", __func__);
535
536 ret = imx_usbmisc_hsic_set_clk(data->usbmisc_data, false);
537 if (ret) {
538 dev_err(dev, "usbmisc hsic_set_clk failed, ret=%d\n", ret);
539 return ret;
540 }
541
542 imx_disable_unprepare_clks(dev);
543 if (data->plat_data->flags & CI_HDRC_PMQOS)
544 cpu_latency_qos_remove_request(&data->pm_qos_req);
545
546 data->in_lpm = true;
547
548 return 0;
549}
550
551static int __maybe_unused imx_controller_resume(struct device *dev)
552{
553 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
554 int ret = 0;
555
556 dev_dbg(dev, "at %s\n", __func__);
557
558 if (!data->in_lpm) {
559 WARN_ON(1);
560 return 0;
561 }
562
563 if (data->plat_data->flags & CI_HDRC_PMQOS)
564 cpu_latency_qos_add_request(&data->pm_qos_req, 0);
565
566 ret = imx_prepare_enable_clks(dev);
567 if (ret)
568 return ret;
569
570 data->in_lpm = false;
571
572 ret = imx_usbmisc_set_wakeup(data->usbmisc_data, false);
573 if (ret) {
574 dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n", ret);
575 goto clk_disable;
576 }
577
578 ret = imx_usbmisc_hsic_set_clk(data->usbmisc_data, true);
579 if (ret) {
580 dev_err(dev, "usbmisc hsic_set_clk failed, ret=%d\n", ret);
581 goto hsic_set_clk_fail;
582 }
583
584 return 0;
585
586hsic_set_clk_fail:
587 imx_usbmisc_set_wakeup(data->usbmisc_data, true);
588clk_disable:
589 imx_disable_unprepare_clks(dev);
590 return ret;
591}
592
593static int __maybe_unused ci_hdrc_imx_suspend(struct device *dev)
594{
595 int ret;
596
597 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
598
599 if (data->in_lpm)
600 /* The core's suspend doesn't run */
601 return 0;
602
603 if (device_may_wakeup(dev)) {
604 ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
605 if (ret) {
606 dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n",
607 ret);
608 return ret;
609 }
610 }
611
612 return imx_controller_suspend(dev);
613}
614
615static int __maybe_unused ci_hdrc_imx_resume(struct device *dev)
616{
617 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
618 int ret;
619
620 ret = imx_controller_resume(dev);
621 if (!ret && data->supports_runtime_pm) {
622 pm_runtime_disable(dev);
623 pm_runtime_set_active(dev);
624 pm_runtime_enable(dev);
625 }
626
627 return ret;
628}
629
630static int __maybe_unused ci_hdrc_imx_runtime_suspend(struct device *dev)
631{
632 struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
633 int ret;
634
635 if (data->in_lpm) {
636 WARN_ON(1);
637 return 0;
638 }
639
640 ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
641 if (ret) {
642 dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n", ret);
643 return ret;
644 }
645
646 return imx_controller_suspend(dev);
647}
648
649static int __maybe_unused ci_hdrc_imx_runtime_resume(struct device *dev)
650{
651 return imx_controller_resume(dev);
652}
653
654static const struct dev_pm_ops ci_hdrc_imx_pm_ops = {
655 SET_SYSTEM_SLEEP_PM_OPS(ci_hdrc_imx_suspend, ci_hdrc_imx_resume)
656 SET_RUNTIME_PM_OPS(ci_hdrc_imx_runtime_suspend,
657 ci_hdrc_imx_runtime_resume, NULL)
658};
659static struct platform_driver ci_hdrc_imx_driver = {
660 .probe = ci_hdrc_imx_probe,
661 .remove = ci_hdrc_imx_remove,
662 .shutdown = ci_hdrc_imx_shutdown,
663 .driver = {
664 .name = "imx_usb",
665 .of_match_table = ci_hdrc_imx_dt_ids,
666 .pm = &ci_hdrc_imx_pm_ops,
667 },
668};
669
670module_platform_driver(ci_hdrc_imx_driver);
671
672MODULE_ALIAS("platform:imx-usb");
673MODULE_LICENSE("GPL");
674MODULE_DESCRIPTION("CI HDRC i.MX USB binding");
675MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
676MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");