phy-brcm-usb.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * phy-brcm-usb.c - Broadcom USB Phy Driver
  4 *
  5 * Copyright (C) 2015-2017 Broadcom
  6 */
  7
  8#include <linux/clk.h>
  9#include <linux/delay.h>
 10#include <linux/err.h>
 11#include <linux/io.h>
 12#include <linux/module.h>
 13#include <linux/of.h>
 14#include <linux/phy/phy.h>
 15#include <linux/platform_device.h>
 16#include <linux/interrupt.h>
 17#include <linux/soc/brcmstb/brcmstb.h>
 18#include <dt-bindings/phy/phy.h>
 19#include <linux/mfd/syscon.h>
 20#include <linux/suspend.h>
 21
 22#include "phy-brcm-usb-init.h"
 23
 24static DEFINE_MUTEX(sysfs_lock);
 25
 26enum brcm_usb_phy_id {
 27	BRCM_USB_PHY_2_0 = 0,
 28	BRCM_USB_PHY_3_0,
 29	BRCM_USB_PHY_ID_MAX
 30};
 31
 32struct value_to_name_map {
 33	int value;
 34	const char *name;
 35};
 36
 37struct match_chip_info {
 38	void (*init_func)(struct brcm_usb_init_params *params);
 39	u8 required_regs[BRCM_REGS_MAX + 1];
 40	u8 optional_reg;
 41};
 42
 43static const struct value_to_name_map brcm_dr_mode_to_name[] = {
 44	{ USB_CTLR_MODE_HOST, "host" },
 45	{ USB_CTLR_MODE_DEVICE, "peripheral" },
 46	{ USB_CTLR_MODE_DRD, "drd" },
 47	{ USB_CTLR_MODE_TYPEC_PD, "typec-pd" }
 48};
 49
 50static const struct value_to_name_map brcm_dual_mode_to_name[] = {
 51	{ 0, "host" },
 52	{ 1, "device" },
 53	{ 2, "auto" },
 54};
 55
 56struct brcm_usb_phy {
 57	struct phy *phy;
 58	unsigned int id;
 59	bool inited;
 60};
 61
 62struct brcm_usb_phy_data {
 63	struct  brcm_usb_init_params ini;
 64	bool			has_eohci;
 65	bool			has_xhci;
 66	struct clk		*usb_20_clk;
 67	struct clk		*usb_30_clk;
 68	struct clk		*suspend_clk;
 69	struct mutex		mutex;	/* serialize phy init */
 70	int			init_count;
 71	int			wake_irq;
 72	struct brcm_usb_phy	phys[BRCM_USB_PHY_ID_MAX];
 73	struct notifier_block	pm_notifier;
 74	bool			pm_active;
 75};
 76
 77static s8 *node_reg_names[BRCM_REGS_MAX] = {
 78	"crtl", "xhci_ec", "xhci_gbl", "usb_phy", "usb_mdio", "bdc_ec"
 79};
 80
 81static int brcm_pm_notifier(struct notifier_block *notifier,
 82			    unsigned long pm_event,
 83			    void *unused)
 84{
 85	struct brcm_usb_phy_data *priv =
 86		container_of(notifier, struct brcm_usb_phy_data, pm_notifier);
 87
 88	switch (pm_event) {
 89	case PM_HIBERNATION_PREPARE:
 90	case PM_SUSPEND_PREPARE:
 91		priv->pm_active = true;
 92		break;
 93	case PM_POST_RESTORE:
 94	case PM_POST_HIBERNATION:
 95	case PM_POST_SUSPEND:
 96		priv->pm_active = false;
 97		break;
 98	}
 99	return NOTIFY_DONE;
100}
101
102static irqreturn_t brcm_usb_phy_wake_isr(int irq, void *dev_id)
103{
104	struct device *dev = dev_id;
105
106	pm_wakeup_event(dev, 0);
107
108	return IRQ_HANDLED;
109}
110
111static int brcm_usb_phy_init(struct phy *gphy)
112{
113	struct brcm_usb_phy *phy = phy_get_drvdata(gphy);
114	struct brcm_usb_phy_data *priv =
115		container_of(phy, struct brcm_usb_phy_data, phys[phy->id]);
116
117	if (priv->pm_active)
118		return 0;
119
120	/*
121	 * Use a lock to make sure a second caller waits until
122	 * the base phy is inited before using it.
123	 */
124	mutex_lock(&priv->mutex);
125	if (priv->init_count++ == 0) {
126		clk_prepare_enable(priv->usb_20_clk);
127		clk_prepare_enable(priv->usb_30_clk);
128		clk_prepare_enable(priv->suspend_clk);
129		brcm_usb_init_common(&priv->ini);
130	}
131	mutex_unlock(&priv->mutex);
132	if (phy->id == BRCM_USB_PHY_2_0)
133		brcm_usb_init_eohci(&priv->ini);
134	else if (phy->id == BRCM_USB_PHY_3_0)
135		brcm_usb_init_xhci(&priv->ini);
136	phy->inited = true;
137	dev_dbg(&gphy->dev, "INIT, id: %d, total: %d\n", phy->id,
138		priv->init_count);
139
140	return 0;
141}
142
143static int brcm_usb_phy_exit(struct phy *gphy)
144{
145	struct brcm_usb_phy *phy = phy_get_drvdata(gphy);
146	struct brcm_usb_phy_data *priv =
147		container_of(phy, struct brcm_usb_phy_data, phys[phy->id]);
148
149	if (priv->pm_active)
150		return 0;
151
152	dev_dbg(&gphy->dev, "EXIT\n");
153	if (phy->id == BRCM_USB_PHY_2_0)
154		brcm_usb_uninit_eohci(&priv->ini);
155	if (phy->id == BRCM_USB_PHY_3_0)
156		brcm_usb_uninit_xhci(&priv->ini);
157
158	/* If both xhci and eohci are gone, reset everything else */
159	mutex_lock(&priv->mutex);
160	if (--priv->init_count == 0) {
161		brcm_usb_uninit_common(&priv->ini);
162		clk_disable_unprepare(priv->usb_20_clk);
163		clk_disable_unprepare(priv->usb_30_clk);
164		clk_disable_unprepare(priv->suspend_clk);
165	}
166	mutex_unlock(&priv->mutex);
167	phy->inited = false;
168	return 0;
169}
170
171static const struct phy_ops brcm_usb_phy_ops = {
172	.init		= brcm_usb_phy_init,
173	.exit		= brcm_usb_phy_exit,
174	.owner		= THIS_MODULE,
175};
176
177static struct phy *brcm_usb_phy_xlate(struct device *dev,
178				      const struct of_phandle_args *args)
179{
180	struct brcm_usb_phy_data *data = dev_get_drvdata(dev);
181
182	/*
183	 * values 0 and 1 are for backward compatibility with
184	 * device tree nodes from older bootloaders.
185	 */
186	switch (args->args[0]) {
187	case 0:
188	case PHY_TYPE_USB2:
189		if (data->phys[BRCM_USB_PHY_2_0].phy)
190			return data->phys[BRCM_USB_PHY_2_0].phy;
191		dev_warn(dev, "Error, 2.0 Phy not found\n");
192		break;
193	case 1:
194	case PHY_TYPE_USB3:
195		if (data->phys[BRCM_USB_PHY_3_0].phy)
196			return data->phys[BRCM_USB_PHY_3_0].phy;
197		dev_warn(dev, "Error, 3.0 Phy not found\n");
198		break;
199	}
200	return ERR_PTR(-ENODEV);
201}
202
203static int name_to_value(const struct value_to_name_map *table, int count,
204			 const char *name, int *value)
205{
206	int x;
207
208	*value = 0;
209	for (x = 0; x < count; x++) {
210		if (sysfs_streq(name, table[x].name)) {
211			*value = x;
212			return 0;
213		}
214	}
215	return -EINVAL;
216}
217
218static const char *value_to_name(const struct value_to_name_map *table, int count,
219				 int value)
220{
221	if (value >= count)
222		return "unknown";
223	return table[value].name;
224}
225
226static ssize_t dr_mode_show(struct device *dev,
227			    struct device_attribute *attr,
228			    char *buf)
229{
230	struct brcm_usb_phy_data *priv = dev_get_drvdata(dev);
231
232	return sprintf(buf, "%s\n",
233		value_to_name(&brcm_dr_mode_to_name[0],
234			      ARRAY_SIZE(brcm_dr_mode_to_name),
235			      priv->ini.supported_port_modes));
236}
237static DEVICE_ATTR_RO(dr_mode);
238
239static ssize_t dual_select_store(struct device *dev,
240				 struct device_attribute *attr,
241				 const char *buf, size_t len)
242{
243	struct brcm_usb_phy_data *priv = dev_get_drvdata(dev);
244	int value;
245	int res;
246
247	mutex_lock(&sysfs_lock);
248	res = name_to_value(&brcm_dual_mode_to_name[0],
249			    ARRAY_SIZE(brcm_dual_mode_to_name), buf, &value);
250	if (!res) {
251		priv->ini.port_mode = value;
252		brcm_usb_set_dual_select(&priv->ini);
253		res = len;
254	}
255	mutex_unlock(&sysfs_lock);
256	return res;
257}
258
259static ssize_t dual_select_show(struct device *dev,
260				struct device_attribute *attr,
261				char *buf)
262{
263	struct brcm_usb_phy_data *priv = dev_get_drvdata(dev);
264	int value;
265
266	mutex_lock(&sysfs_lock);
267	value = brcm_usb_get_dual_select(&priv->ini);
268	mutex_unlock(&sysfs_lock);
269	return sprintf(buf, "%s\n",
270		value_to_name(&brcm_dual_mode_to_name[0],
271			      ARRAY_SIZE(brcm_dual_mode_to_name),
272			      value));
273}
274static DEVICE_ATTR_RW(dual_select);
275
276static struct attribute *brcm_usb_phy_attrs[] = {
277	&dev_attr_dr_mode.attr,
278	&dev_attr_dual_select.attr,
279	NULL
280};
281
282static const struct attribute_group brcm_usb_phy_group = {
283	.attrs = brcm_usb_phy_attrs,
284};
285
286static const struct match_chip_info chip_info_74110 = {
287	.init_func = &brcm_usb_dvr_init_74110,
288	.required_regs = {
289		BRCM_REGS_CTRL,
290		BRCM_REGS_XHCI_EC,
291		BRCM_REGS_XHCI_GBL,
292		-1,
293	},
294};
295
296static const struct match_chip_info chip_info_4908 = {
297	.init_func = &brcm_usb_dvr_init_4908,
298	.required_regs = {
299		BRCM_REGS_CTRL,
300		BRCM_REGS_XHCI_EC,
301		-1,
302	},
303};
304
305static const struct match_chip_info chip_info_7216 = {
306	.init_func = &brcm_usb_dvr_init_7216,
307	.required_regs = {
308		BRCM_REGS_CTRL,
309		BRCM_REGS_XHCI_EC,
310		BRCM_REGS_XHCI_GBL,
311		-1,
312	},
313};
314
315static const struct match_chip_info chip_info_7211b0 = {
316	.init_func = &brcm_usb_dvr_init_7211b0,
317	.required_regs = {
318		BRCM_REGS_CTRL,
319		BRCM_REGS_XHCI_EC,
320		BRCM_REGS_XHCI_GBL,
321		BRCM_REGS_USB_PHY,
322		BRCM_REGS_USB_MDIO,
323		-1,
324	},
325	.optional_reg = BRCM_REGS_BDC_EC,
326};
327
328static const struct match_chip_info chip_info_7445 = {
329	.init_func = &brcm_usb_dvr_init_7445,
330	.required_regs = {
331		BRCM_REGS_CTRL,
332		BRCM_REGS_XHCI_EC,
333		-1,
334	},
335};
336
337static const struct of_device_id brcm_usb_dt_ids[] = {
338	{
339		.compatible = "brcm,bcm74110-usb-phy",
340		.data = &chip_info_74110,
341	},
342	{
343		.compatible = "brcm,bcm4908-usb-phy",
344		.data = &chip_info_4908,
345	},
346	{
347		.compatible = "brcm,bcm7216-usb-phy",
348		.data = &chip_info_7216,
349	},
350	{
351		.compatible = "brcm,bcm7211-usb-phy",
352		.data = &chip_info_7211b0,
353	},
354	{
355		.compatible = "brcm,brcmstb-usb-phy",
356		.data = &chip_info_7445,
357	},
358	{ /* sentinel */ }
359};
360
361static int brcm_usb_get_regs(struct platform_device *pdev,
362			     enum brcmusb_reg_sel regs,
363			     struct  brcm_usb_init_params *ini,
364			     bool optional)
365{
366	struct resource *res;
367
368	/* Older DT nodes have ctrl and optional xhci_ec by index only */
369	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
370						node_reg_names[regs]);
371	if (res == NULL) {
372		if (regs == BRCM_REGS_CTRL) {
373			res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
374		} else if (regs == BRCM_REGS_XHCI_EC) {
375			res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
376			/* XHCI_EC registers are optional */
377			if (res == NULL)
378				return 0;
379		}
380		if (res == NULL) {
381			if (optional) {
382				dev_dbg(&pdev->dev,
383					"Optional reg %s not found\n",
384					node_reg_names[regs]);
385				return 0;
386			}
387			dev_err(&pdev->dev, "can't get %s base addr\n",
388				node_reg_names[regs]);
389			return 1;
390		}
391	}
392	ini->regs[regs] = devm_ioremap_resource(&pdev->dev, res);
393	if (IS_ERR(ini->regs[regs])) {
394		dev_err(&pdev->dev, "can't map %s register space\n",
395			node_reg_names[regs]);
396		return 1;
397	}
398	return 0;
399}
400
401static int brcm_usb_phy_dvr_init(struct platform_device *pdev,
402				 struct brcm_usb_phy_data *priv,
403				 struct device_node *dn)
404{
405	struct device *dev = &pdev->dev;
406	struct phy *gphy = NULL;
407	int err;
408
409	priv->usb_20_clk = of_clk_get_by_name(dn, "sw_usb");
410	if (IS_ERR(priv->usb_20_clk)) {
411		if (PTR_ERR(priv->usb_20_clk) == -EPROBE_DEFER)
412			return -EPROBE_DEFER;
413		dev_info(dev, "Clock not found in Device Tree\n");
414		priv->usb_20_clk = NULL;
415	}
416	err = clk_prepare_enable(priv->usb_20_clk);
417	if (err)
418		return err;
419
420	if (priv->has_eohci) {
421		gphy = devm_phy_create(dev, NULL, &brcm_usb_phy_ops);
422		if (IS_ERR(gphy)) {
423			dev_err(dev, "failed to create EHCI/OHCI PHY\n");
424			return PTR_ERR(gphy);
425		}
426		priv->phys[BRCM_USB_PHY_2_0].phy = gphy;
427		priv->phys[BRCM_USB_PHY_2_0].id = BRCM_USB_PHY_2_0;
428		phy_set_drvdata(gphy, &priv->phys[BRCM_USB_PHY_2_0]);
429	}
430
431	if (priv->has_xhci) {
432		gphy = devm_phy_create(dev, NULL, &brcm_usb_phy_ops);
433		if (IS_ERR(gphy)) {
434			dev_err(dev, "failed to create XHCI PHY\n");
435			return PTR_ERR(gphy);
436		}
437		priv->phys[BRCM_USB_PHY_3_0].phy = gphy;
438		priv->phys[BRCM_USB_PHY_3_0].id = BRCM_USB_PHY_3_0;
439		phy_set_drvdata(gphy, &priv->phys[BRCM_USB_PHY_3_0]);
440
441		priv->usb_30_clk = of_clk_get_by_name(dn, "sw_usb3");
442		if (IS_ERR(priv->usb_30_clk)) {
443			if (PTR_ERR(priv->usb_30_clk) == -EPROBE_DEFER)
444				return -EPROBE_DEFER;
445			dev_info(dev,
446				 "USB3.0 clock not found in Device Tree\n");
447			priv->usb_30_clk = NULL;
448		}
449		err = clk_prepare_enable(priv->usb_30_clk);
450		if (err)
451			return err;
452	}
453
454	priv->suspend_clk = clk_get(dev, "usb0_freerun");
455	if (IS_ERR(priv->suspend_clk)) {
456		if (PTR_ERR(priv->suspend_clk) == -EPROBE_DEFER)
457			return -EPROBE_DEFER;
458		dev_err(dev, "Suspend Clock not found in Device Tree\n");
459		priv->suspend_clk = NULL;
460	}
461
462	priv->wake_irq = platform_get_irq_byname_optional(pdev, "wake");
463	if (priv->wake_irq < 0)
464		priv->wake_irq = platform_get_irq_byname_optional(pdev, "wakeup");
465	if (priv->wake_irq >= 0) {
466		err = devm_request_irq(dev, priv->wake_irq,
467				       brcm_usb_phy_wake_isr, 0,
468				       dev_name(dev), dev);
469		if (err < 0)
470			return err;
471		device_set_wakeup_capable(dev, 1);
472	} else {
473		dev_info(dev,
474			 "Wake interrupt missing, system wake not supported\n");
475	}
476
477	return 0;
478}
479
480static int brcm_usb_phy_probe(struct platform_device *pdev)
481{
482	struct device *dev = &pdev->dev;
483	struct brcm_usb_phy_data *priv;
484	struct phy_provider *phy_provider;
485	struct device_node *dn = pdev->dev.of_node;
486	int err;
487	const char *mode;
488	const struct match_chip_info *info;
489	struct regmap *rmap;
490	int x;
491
492	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
493	if (!priv)
494		return -ENOMEM;
495	platform_set_drvdata(pdev, priv);
496
497	priv->ini.family_id = brcmstb_get_family_id();
498	priv->ini.product_id = brcmstb_get_product_id();
499
500	info = of_device_get_match_data(&pdev->dev);
501	if (!info)
502		return -ENOENT;
503
504	info->init_func(&priv->ini);
505
506	dev_dbg(dev, "Best mapping table is for %s\n",
507		priv->ini.family_name);
508
509	of_property_read_u32(dn, "brcm,ipp", &priv->ini.ipp);
510	of_property_read_u32(dn, "brcm,ioc", &priv->ini.ioc);
511
512	priv->ini.supported_port_modes = USB_CTLR_MODE_HOST;
513	err = of_property_read_string(dn, "dr_mode", &mode);
514	if (err == 0) {
515		name_to_value(&brcm_dr_mode_to_name[0],
516			      ARRAY_SIZE(brcm_dr_mode_to_name),
517			mode, &priv->ini.supported_port_modes);
518	}
519	/* Default port_mode to supported port_modes */
520	priv->ini.port_mode = priv->ini.supported_port_modes;
521
522	if (of_property_read_bool(dn, "brcm,has-xhci"))
523		priv->has_xhci = true;
524	if (of_property_read_bool(dn, "brcm,has-eohci"))
525		priv->has_eohci = true;
526
527	for (x = 0; x < BRCM_REGS_MAX; x++) {
528		if (info->required_regs[x] >= BRCM_REGS_MAX)
529			break;
530
531		err = brcm_usb_get_regs(pdev, info->required_regs[x],
532					&priv->ini, false);
533		if (err)
534			return -EINVAL;
535	}
536	if (info->optional_reg) {
537		err = brcm_usb_get_regs(pdev, info->optional_reg,
538					&priv->ini, true);
539		if (err)
540			return -EINVAL;
541	}
542
543	err = brcm_usb_phy_dvr_init(pdev, priv, dn);
544	if (err)
545		return err;
546
547	priv->pm_notifier.notifier_call = brcm_pm_notifier;
548	register_pm_notifier(&priv->pm_notifier);
549
550	mutex_init(&priv->mutex);
551
552	/* make sure invert settings are correct */
553	brcm_usb_init_ipp(&priv->ini);
554
555	/*
556	 * Create sysfs entries for mode.
557	 * Remove "dual_select" attribute if not in dual mode
558	 */
559	if (priv->ini.supported_port_modes != USB_CTLR_MODE_DRD)
560		brcm_usb_phy_attrs[1] = NULL;
561	err = sysfs_create_group(&dev->kobj, &brcm_usb_phy_group);
562	if (err)
563		dev_warn(dev, "Error creating sysfs attributes\n");
564
565	/* Get piarbctl syscon if it exists */
566	rmap = syscon_regmap_lookup_by_phandle(dev->of_node,
567						 "syscon-piarbctl");
568	if (IS_ERR(rmap))
569		rmap = syscon_regmap_lookup_by_phandle(dev->of_node,
570						       "brcm,syscon-piarbctl");
571	if (!IS_ERR(rmap))
572		priv->ini.syscon_piarbctl = rmap;
573
574	/* start with everything off */
575	if (priv->has_xhci)
576		brcm_usb_uninit_xhci(&priv->ini);
577	if (priv->has_eohci)
578		brcm_usb_uninit_eohci(&priv->ini);
579	brcm_usb_uninit_common(&priv->ini);
580	clk_disable_unprepare(priv->usb_20_clk);
581	clk_disable_unprepare(priv->usb_30_clk);
582
583	phy_provider = devm_of_phy_provider_register(dev, brcm_usb_phy_xlate);
584
585	return PTR_ERR_OR_ZERO(phy_provider);
586}
587
588static void brcm_usb_phy_remove(struct platform_device *pdev)
589{
590	struct brcm_usb_phy_data *priv = dev_get_drvdata(&pdev->dev);
591
592	sysfs_remove_group(&pdev->dev.kobj, &brcm_usb_phy_group);
593	unregister_pm_notifier(&priv->pm_notifier);
594}
595
596#ifdef CONFIG_PM_SLEEP
597static int brcm_usb_phy_suspend(struct device *dev)
598{
599	struct brcm_usb_phy_data *priv = dev_get_drvdata(dev);
600
601	if (priv->init_count) {
602		dev_dbg(dev, "SUSPEND\n");
603		priv->ini.wake_enabled = device_may_wakeup(dev);
604		if (priv->phys[BRCM_USB_PHY_3_0].inited)
605			brcm_usb_uninit_xhci(&priv->ini);
606		if (priv->phys[BRCM_USB_PHY_2_0].inited)
607			brcm_usb_uninit_eohci(&priv->ini);
608		brcm_usb_uninit_common(&priv->ini);
609
610		/*
611		 * Handle the clocks unless needed for wake. This has
612		 * to work for both older XHCI->3.0-clks, EOHCI->2.0-clks
613		 * and newer XHCI->2.0-clks/3.0-clks.
614		 */
615
616		if (!priv->ini.wake_enabled) {
617			if (priv->phys[BRCM_USB_PHY_3_0].inited)
618				clk_disable_unprepare(priv->usb_30_clk);
619			if (priv->phys[BRCM_USB_PHY_2_0].inited ||
620			    !priv->has_eohci)
621				clk_disable_unprepare(priv->usb_20_clk);
622		}
623		if (priv->wake_irq >= 0)
624			enable_irq_wake(priv->wake_irq);
625	}
626	return 0;
627}
628
629static int brcm_usb_phy_resume(struct device *dev)
630{
631	struct brcm_usb_phy_data *priv = dev_get_drvdata(dev);
632
633	if (!priv->ini.wake_enabled) {
634		clk_prepare_enable(priv->usb_20_clk);
635		clk_prepare_enable(priv->usb_30_clk);
636	}
637	brcm_usb_init_ipp(&priv->ini);
638
639	/*
640	 * Initialize anything that was previously initialized.
641	 * Uninitialize anything that wasn't previously initialized.
642	 */
643	if (priv->init_count) {
644		dev_dbg(dev, "RESUME\n");
645		if (priv->wake_irq >= 0)
646			disable_irq_wake(priv->wake_irq);
647		brcm_usb_init_common(&priv->ini);
648		if (priv->phys[BRCM_USB_PHY_2_0].inited) {
649			brcm_usb_init_eohci(&priv->ini);
650		} else if (priv->has_eohci) {
651			brcm_usb_uninit_eohci(&priv->ini);
652			clk_disable_unprepare(priv->usb_20_clk);
653		}
654		if (priv->phys[BRCM_USB_PHY_3_0].inited) {
655			brcm_usb_init_xhci(&priv->ini);
656		} else if (priv->has_xhci) {
657			brcm_usb_uninit_xhci(&priv->ini);
658			clk_disable_unprepare(priv->usb_30_clk);
659			if (!priv->has_eohci)
660				clk_disable_unprepare(priv->usb_20_clk);
661		}
662	} else {
663		if (priv->has_xhci)
664			brcm_usb_uninit_xhci(&priv->ini);
665		if (priv->has_eohci)
666			brcm_usb_uninit_eohci(&priv->ini);
667		brcm_usb_uninit_common(&priv->ini);
668		clk_disable_unprepare(priv->usb_20_clk);
669		clk_disable_unprepare(priv->usb_30_clk);
670	}
671	priv->ini.wake_enabled = false;
672	return 0;
673}
674#endif /* CONFIG_PM_SLEEP */
675
676static const struct dev_pm_ops brcm_usb_phy_pm_ops = {
677	SET_LATE_SYSTEM_SLEEP_PM_OPS(brcm_usb_phy_suspend, brcm_usb_phy_resume)
678};
679
680MODULE_DEVICE_TABLE(of, brcm_usb_dt_ids);
681
682static struct platform_driver brcm_usb_driver = {
683	.probe		= brcm_usb_phy_probe,
684	.remove		= brcm_usb_phy_remove,
685	.driver		= {
686		.name	= "brcmstb-usb-phy",
687		.pm = &brcm_usb_phy_pm_ops,
688		.of_match_table = brcm_usb_dt_ids,
689	},
690};
691
692module_platform_driver(brcm_usb_driver);
693
694MODULE_AUTHOR("Al Cooper <acooper@broadcom.com>");
695MODULE_DESCRIPTION("BRCM USB PHY driver");
696MODULE_LICENSE("GPL v2");