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