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 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 struct notifier_block pm_notifier; 74 bool pm_active; 75 }; 76 77 static s8 *node_reg_names[BRCM_REGS_MAX] = { 78 "crtl", "xhci_ec", "xhci_gbl", "usb_phy", "usb_mdio", "bdc_ec" 79 }; 80 81 static 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 } 101 102 static 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 } 110 111 static 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 } 142 143 static 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 } 170 171 static 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 }; 176 177 static 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 } 202 203 static 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 } 217 218 static 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 } 225 226 static 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 } 237 static DEVICE_ATTR_RO(dr_mode); 238 239 static 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 } 258 259 static 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 } 274 static DEVICE_ATTR_RW(dual_select); 275 276 static struct attribute *brcm_usb_phy_attrs[] = { 277 &dev_attr_dr_mode.attr, 278 &dev_attr_dual_select.attr, 279 NULL 280 }; 281 282 static const struct attribute_group brcm_usb_phy_group = { 283 .attrs = brcm_usb_phy_attrs, 284 }; 285 286 static 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 }; 295 296 static 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 }; 304 305 static 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 }; 314 315 static 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 }; 327 328 static 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 }; 336 337 static 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 }; 360 361 static 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 } 400 401 static 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 } 479 480 static 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 } 587 588 static 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 597 static 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 } 628 629 static 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 */ 675 676 static 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 }; 679 680 MODULE_DEVICE_TABLE(of, brcm_usb_dt_ids); 681 682 static 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 }; 691 692 module_platform_driver(brcm_usb_driver); 693 694 MODULE_ALIAS("platform:brcmstb-usb-phy"); 695 MODULE_AUTHOR("Al Cooper <acooper@broadcom.com>"); 696 MODULE_DESCRIPTION("BRCM USB PHY driver"); 697 MODULE_LICENSE("GPL v2"); 698