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