drivers/phy/allwinner/phy-sun4i-usb.c

   1 /*
   2  * Allwinner sun4i USB PHY driver
   3  *
   4  * Copyright (C) 2017 Jagan Teki <jagan@amarulasolutions.com>
   5  * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
   6  * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com>
   7  *
   8  * Modelled arch/arm/mach-sunxi/usb_phy.c to compatible with generic-phy.
   9  *
  10  * SPDX-License-Identifier:     GPL-2.0+
  11  */
  12
  13 #include <common.h>
  14 #include <dm.h>
  15 #include <dm/device.h>
  16 #include <generic-phy.h>
  17 #include <phy-sun4i-usb.h>
  18 #include <asm/gpio.h>
  19 #include <asm/io.h>
  20 #include <asm/arch/clock.h>
  21 #include <asm/arch/cpu.h>
  22
  23 #define REG_ISCR                        0x00
  24 #define REG_PHYCTL_A10                  0x04
  25 #define REG_PHYBIST                     0x08
  26 #define REG_PHYTUNE                     0x0c
  27 #define REG_PHYCTL_A33                  0x10
  28 #define REG_PHY_OTGCTL                  0x20
  29 #define REG_PMU_UNK1                    0x10
  30
  31 /* Common Control Bits for Both PHYs */
  32 #define PHY_PLL_BW                      0x03
  33 #define PHY_RES45_CAL_EN                0x0c
  34
  35 /* Private Control Bits for Each PHY */
  36 #define PHY_TX_AMPLITUDE_TUNE           0x20
  37 #define PHY_TX_SLEWRATE_TUNE            0x22
  38 #define PHY_DISCON_TH_SEL               0x2a
  39 #define PHY_SQUELCH_DETECT              0x3c
  40
  41 #define PHYCTL_DATA                     BIT(7)
  42 #define OTGCTL_ROUTE_MUSB               BIT(0)
  43
  44 #define PHY_TX_RATE                     BIT(4)
  45 #define PHY_TX_MAGNITUDE                BIT(2)
  46 #define PHY_TX_AMPLITUDE_LEN            5
  47
  48 #define PHY_RES45_CAL_DATA              BIT(0)
  49 #define PHY_RES45_CAL_LEN               1
  50 #define PHY_DISCON_TH_LEN               2
  51
  52 #define SUNXI_AHB_ICHR8_EN              BIT(10)
  53 #define SUNXI_AHB_INCR4_BURST_EN        BIT(9)
  54 #define SUNXI_AHB_INCRX_ALIGN_EN        BIT(8)
  55 #define SUNXI_ULPI_BYPASS_EN            BIT(0)
  56
  57 /* A83T specific control bits for PHY0 */
  58 #define PHY_CTL_VBUSVLDEXT              BIT(5)
  59 #define PHY_CTL_SIDDQ                   BIT(3)
  60
  61 /* A83T specific control bits for PHY2 HSIC */
  62 #define SUNXI_EHCI_HS_FORCE             BIT(20)
  63 #define SUNXI_HSIC_CONNECT_INT          BIT(16)
  64 #define SUNXI_HSIC                      BIT(1)
  65
  66 #define MAX_PHYS                        4
  67
  68 enum sun4i_usb_phy_type {
  69         sun4i_a10_phy,
  70         sun6i_a31_phy,
  71         sun8i_a33_phy,
  72         sun8i_a83t_phy,
  73         sun8i_h3_phy,
  74         sun8i_v3s_phy,
  75         sun50i_a64_phy,
  76 };
  77
  78 struct sun4i_usb_phy_cfg {
  79         int num_phys;
  80         enum sun4i_usb_phy_type type;
  81         u32 disc_thresh;
  82         u8 phyctl_offset;
  83         bool enable_pmu_unk1;
  84         bool phy0_dual_route;
  85 };
  86
  87 struct sun4i_usb_phy_info {
  88         const char *gpio_vbus;
  89         const char *gpio_vbus_det;
  90         const char *gpio_id_det;
  91         int rst_mask;
  92 } phy_info[] = {
  93         {
  94                 .gpio_vbus = CONFIG_USB0_VBUS_PIN,
  95                 .gpio_vbus_det = CONFIG_USB0_VBUS_DET,
  96                 .gpio_id_det = CONFIG_USB0_ID_DET,
  97                 .rst_mask = (CCM_USB_CTRL_PHY0_RST | CCM_USB_CTRL_PHY0_CLK),
  98         },
  99         {
 100                 .gpio_vbus = CONFIG_USB1_VBUS_PIN,
 101                 .gpio_vbus_det = NULL,
 102                 .gpio_id_det = NULL,
 103                 .rst_mask = (CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK),
 104         },
 105         {
 106                 .gpio_vbus = CONFIG_USB2_VBUS_PIN,
 107                 .gpio_vbus_det = NULL,
 108                 .gpio_id_det = NULL,
 109 #ifdef CONFIG_MACH_SUN8I_A83T
 110                 .rst_mask = (CCM_USB_CTRL_HSIC_RST | CCM_USB_CTRL_HSIC_CLK |
 111                              CCM_USB_CTRL_12M_CLK),
 112 #else
 113                 .rst_mask = (CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK),
 114 #endif
 115         },
 116         {
 117                 .gpio_vbus = CONFIG_USB3_VBUS_PIN,
 118                 .gpio_vbus_det = NULL,
 119                 .gpio_id_det = NULL,
 120 #ifdef CONFIG_MACH_SUN6I
 121                 .rst_mask = (CCM_USB_CTRL_PHY3_RST | CCM_USB_CTRL_PHY3_CLK),
 122 #endif
 123         },
 124 };
 125
 126 struct sun4i_usb_phy_plat {
 127         void __iomem *pmu;
 128         int power_on_count;
 129         int gpio_vbus;
 130         int gpio_vbus_det;
 131         int gpio_id_det;
 132         int rst_mask;
 133         int id;
 134 };
 135
 136 struct sun4i_usb_phy_data {
 137         void __iomem *base;
 138         struct sunxi_ccm_reg *ccm;
 139         const struct sun4i_usb_phy_cfg *cfg;
 140         struct sun4i_usb_phy_plat *usb_phy;
 141 };
 142
 143 static int initial_usb_scan_delay = CONFIG_INITIAL_USB_SCAN_DELAY;
 144
 145 static void sun4i_usb_phy_write(struct phy *phy, u32 addr, u32 data, int len)
 146 {
 147         struct sun4i_usb_phy_data *phy_data = dev_get_priv(phy->dev);
 148         struct sun4i_usb_phy_plat *usb_phy = &phy_data->usb_phy[phy->id];
 149         u32 temp, usbc_bit = BIT(usb_phy->id * 2);
 150         void __iomem *phyctl = phy_data->base + phy_data->cfg->phyctl_offset;
 151         int i;
 152
 153         if (phy_data->cfg->phyctl_offset == REG_PHYCTL_A33) {
 154                 /* SoCs newer than A33 need us to set phyctl to 0 explicitly */
 155                 writel(0, phyctl);
 156         }
 157
 158         for (i = 0; i < len; i++) {
 159                 temp = readl(phyctl);
 160
 161                 /* clear the address portion */
 162                 temp &= ~(0xff << 8);
 163
 164                 /* set the address */
 165                 temp |= ((addr + i) << 8);
 166                 writel(temp, phyctl);
 167
 168                 /* set the data bit and clear usbc bit*/
 169                 temp = readb(phyctl);
 170                 if (data & 0x1)
 171                         temp |= PHYCTL_DATA;
 172                 else
 173                         temp &= ~PHYCTL_DATA;
 174                 temp &= ~usbc_bit;
 175                 writeb(temp, phyctl);
 176
 177                 /* pulse usbc_bit */
 178                 temp = readb(phyctl);
 179                 temp |= usbc_bit;
 180                 writeb(temp, phyctl);
 181
 182                 temp = readb(phyctl);
 183                 temp &= ~usbc_bit;
 184                 writeb(temp, phyctl);
 185
 186                 data >>= 1;
 187         }
 188 }
 189
 190 static void sun4i_usb_phy_passby(struct phy *phy, bool enable)
 191 {
 192         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 193         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 194         u32 bits, reg_value;
 195
 196         if (!usb_phy->pmu)
 197                 return;
 198
 199         bits = SUNXI_AHB_ICHR8_EN | SUNXI_AHB_INCR4_BURST_EN |
 200                 SUNXI_AHB_INCRX_ALIGN_EN | SUNXI_ULPI_BYPASS_EN;
 201
 202         /* A83T USB2 is HSIC */
 203         if (data->cfg->type == sun8i_a83t_phy && usb_phy->id == 2)
 204                 bits |= SUNXI_EHCI_HS_FORCE | SUNXI_HSIC_CONNECT_INT |
 205                         SUNXI_HSIC;
 206
 207         reg_value = readl(usb_phy->pmu);
 208
 209         if (enable)
 210                 reg_value |= bits;
 211         else
 212                 reg_value &= ~bits;
 213
 214         writel(reg_value, usb_phy->pmu);
 215 }
 216
 217 static int sun4i_usb_phy_power_on(struct phy *phy)
 218 {
 219         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 220         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 221
 222         if (initial_usb_scan_delay) {
 223                 mdelay(initial_usb_scan_delay);
 224                 initial_usb_scan_delay = 0;
 225         }
 226
 227         usb_phy->power_on_count++;
 228         if (usb_phy->power_on_count != 1)
 229                 return 0;
 230
 231         if (usb_phy->gpio_vbus >= 0)
 232                 gpio_set_value(usb_phy->gpio_vbus, SUNXI_GPIO_PULL_UP);
 233
 234         return 0;
 235 }
 236
 237 static int sun4i_usb_phy_power_off(struct phy *phy)
 238 {
 239         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 240         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 241
 242         usb_phy->power_on_count--;
 243         if (usb_phy->power_on_count != 0)
 244                 return 0;
 245
 246         if (usb_phy->gpio_vbus >= 0)
 247                 gpio_set_value(usb_phy->gpio_vbus, SUNXI_GPIO_PULL_DISABLE);
 248
 249         return 0;
 250 }
 251
 252 static void sun4i_usb_phy0_reroute(struct sun4i_usb_phy_data *data, bool id_det)
 253 {
 254         u32 regval;
 255
 256         regval = readl(data->base + REG_PHY_OTGCTL);
 257         if (!id_det) {
 258                 /* Host mode. Route phy0 to EHCI/OHCI */
 259                 regval &= ~OTGCTL_ROUTE_MUSB;
 260         } else {
 261                 /* Peripheral mode. Route phy0 to MUSB */
 262                 regval |= OTGCTL_ROUTE_MUSB;
 263         }
 264         writel(regval, data->base + REG_PHY_OTGCTL);
 265 }
 266
 267 static int sun4i_usb_phy_init(struct phy *phy)
 268 {
 269         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 270         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 271         u32 val;
 272
 273         setbits_le32(&data->ccm->usb_clk_cfg, usb_phy->rst_mask);
 274
 275         if (data->cfg->type == sun8i_a83t_phy) {
 276                 if (phy->id == 0) {
 277                         val = readl(data->base + data->cfg->phyctl_offset);
 278                         val |= PHY_CTL_VBUSVLDEXT;
 279                         val &= ~PHY_CTL_SIDDQ;
 280                         writel(val, data->base + data->cfg->phyctl_offset);
 281                 }
 282         } else {
 283                 if (usb_phy->pmu && data->cfg->enable_pmu_unk1) {
 284                         val = readl(usb_phy->pmu + REG_PMU_UNK1);
 285                         writel(val & ~2, usb_phy->pmu + REG_PMU_UNK1);
 286                 }
 287
 288                 if (usb_phy->id == 0)
 289                         sun4i_usb_phy_write(phy, PHY_RES45_CAL_EN,
 290                                             PHY_RES45_CAL_DATA,
 291                                             PHY_RES45_CAL_LEN);
 292
 293                 /* Adjust PHY's magnitude and rate */
 294                 sun4i_usb_phy_write(phy, PHY_TX_AMPLITUDE_TUNE,
 295                                     PHY_TX_MAGNITUDE | PHY_TX_RATE,
 296                                     PHY_TX_AMPLITUDE_LEN);
 297
 298                 /* Disconnect threshold adjustment */
 299                 sun4i_usb_phy_write(phy, PHY_DISCON_TH_SEL,
 300                                     data->cfg->disc_thresh, PHY_DISCON_TH_LEN);
 301         }
 302
 303         sun4i_usb_phy_passby(phy, true);
 304
 305         sun4i_usb_phy0_reroute(data, true);
 306
 307         return 0;
 308 }
 309
 310 static int sun4i_usb_phy_exit(struct phy *phy)
 311 {
 312         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 313         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 314
 315         if (phy->id == 0) {
 316                 if (data->cfg->type == sun8i_a83t_phy) {
 317                         void __iomem *phyctl = data->base +
 318                                 data->cfg->phyctl_offset;
 319
 320                         writel(readl(phyctl) | PHY_CTL_SIDDQ, phyctl);
 321                 }
 322         }
 323
 324         sun4i_usb_phy_passby(phy, false);
 325
 326         clrbits_le32(&data->ccm->usb_clk_cfg, usb_phy->rst_mask);
 327
 328         return 0;
 329 }
 330
 331 static int sun4i_usb_phy_xlate(struct phy *phy,
 332                                struct ofnode_phandle_args *args)
 333 {
 334         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 335
 336         if (args->args_count >= data->cfg->num_phys)
 337                 return -EINVAL;
 338
 339         if (args->args_count)
 340                 phy->id = args->args[0];
 341         else
 342                 phy->id = 0;
 343
 344         debug("%s: phy_id = %ld\n", __func__, phy->id);
 345         return 0;
 346 }
 347
 348 int sun4i_usb_phy_vbus_detect(struct phy *phy)
 349 {
 350         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 351         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 352         int err, retries = 3;
 353
 354         debug("%s: id_det = %d\n", __func__, usb_phy->gpio_id_det);
 355
 356         if (usb_phy->gpio_vbus_det < 0)
 357                 return usb_phy->gpio_vbus_det;
 358
 359         err = gpio_get_value(usb_phy->gpio_vbus_det);
 360         /*
 361          * Vbus may have been provided by the board and just been turned of
 362          * some milliseconds ago on reset, what we're measuring then is a
 363          * residual charge on Vbus, sleep a bit and try again.
 364          */
 365         while (err > 0 && retries--) {
 366                 mdelay(100);
 367                 err = gpio_get_value(usb_phy->gpio_vbus_det);
 368         }
 369
 370         return err;
 371 }
 372
 373 int sun4i_usb_phy_id_detect(struct phy *phy)
 374 {
 375         struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev);
 376         struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id];
 377
 378         debug("%s: id_det = %d\n", __func__, usb_phy->gpio_id_det);
 379
 380         if (usb_phy->gpio_id_det < 0)
 381                 return usb_phy->gpio_id_det;
 382
 383         return gpio_get_value(usb_phy->gpio_id_det);
 384 }
 385
 386 void sun4i_usb_phy_set_squelch_detect(struct phy *phy, bool enabled)
 387 {
 388         sun4i_usb_phy_write(phy, PHY_SQUELCH_DETECT, enabled ? 0 : 2, 2);
 389 }
 390
 391 static struct phy_ops sun4i_usb_phy_ops = {
 392         .of_xlate = sun4i_usb_phy_xlate,
 393         .init = sun4i_usb_phy_init,
 394         .power_on = sun4i_usb_phy_power_on,
 395         .power_off = sun4i_usb_phy_power_off,
 396         .exit = sun4i_usb_phy_exit,
 397 };
 398
 399 static int sun4i_usb_phy_probe(struct udevice *dev)
 400 {
 401         struct sun4i_usb_phy_plat *plat = dev_get_platdata(dev);
 402         struct sun4i_usb_phy_data *data = dev_get_priv(dev);
 403         int i, ret;
 404
 405         data->cfg = (const struct sun4i_usb_phy_cfg *)dev_get_driver_data(dev);
 406         if (!data->cfg)
 407                 return -EINVAL;
 408
 409         data->base = (void __iomem *)devfdt_get_addr_name(dev, "phy_ctrl");
 410         if (IS_ERR(data->base))
 411                 return PTR_ERR(data->base);
 412
 413         data->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
 414         if (IS_ERR(data->ccm))
 415                 return PTR_ERR(data->ccm);
 416
 417         data->usb_phy = plat;
 418         for (i = 0; i < data->cfg->num_phys; i++) {
 419                 struct sun4i_usb_phy_plat *phy = &plat[i];
 420                 struct sun4i_usb_phy_info *info = &phy_info[i];
 421                 char name[16];
 422
 423                 phy->gpio_vbus = sunxi_name_to_gpio(info->gpio_vbus);
 424                 if (phy->gpio_vbus >= 0) {
 425                         ret = gpio_request(phy->gpio_vbus, "usb_vbus");
 426                         if (ret)
 427                                 return ret;
 428                         ret = gpio_direction_output(phy->gpio_vbus, 0);
 429                         if (ret)
 430                                 return ret;
 431                 }
 432
 433                 phy->gpio_vbus_det = sunxi_name_to_gpio(info->gpio_vbus_det);
 434                 if (phy->gpio_vbus_det >= 0) {
 435                         ret = gpio_request(phy->gpio_vbus_det, "usb_vbus_det");
 436                         if (ret)
 437                                 return ret;
 438                         ret = gpio_direction_input(phy->gpio_vbus_det);
 439                         if (ret)
 440                                 return ret;
 441                 }
 442
 443                 phy->gpio_id_det = sunxi_name_to_gpio(info->gpio_id_det);
 444                 if (phy->gpio_id_det >= 0) {
 445                         ret = gpio_request(phy->gpio_id_det, "usb_id_det");
 446                         if (ret)
 447                                 return ret;
 448                         ret = gpio_direction_input(phy->gpio_id_det);
 449                         if (ret)
 450                                 return ret;
 451                         sunxi_gpio_set_pull(phy->gpio_id_det, SUNXI_GPIO_PULL_UP);
 452                 }
 453
 454                 if (i || data->cfg->phy0_dual_route) {
 455                         snprintf(name, sizeof(name), "pmu%d", i);
 456                         phy->pmu = (void __iomem *)devfdt_get_addr_name(dev, name);
 457                         if (IS_ERR(phy->pmu))
 458                                 return PTR_ERR(phy->pmu);
 459                 }
 460
 461                 phy->id = i;
 462                 phy->rst_mask = info->rst_mask;
 463         };
 464
 465         debug("Allwinner Sun4I USB PHY driver loaded\n");
 466         return 0;
 467 }
 468
 469 static const struct sun4i_usb_phy_cfg sun4i_a10_cfg = {
 470         .num_phys = 3,
 471         .type = sun4i_a10_phy,
 472         .disc_thresh = 3,
 473         .phyctl_offset = REG_PHYCTL_A10,
 474         .enable_pmu_unk1 = false,
 475 };
 476
 477 static const struct sun4i_usb_phy_cfg sun5i_a13_cfg = {
 478         .num_phys = 2,
 479         .type = sun4i_a10_phy,
 480         .disc_thresh = 2,
 481         .phyctl_offset = REG_PHYCTL_A10,
 482         .enable_pmu_unk1 = false,
 483 };
 484
 485 static const struct sun4i_usb_phy_cfg sun6i_a31_cfg = {
 486         .num_phys = 3,
 487         .type = sun6i_a31_phy,
 488         .disc_thresh = 3,
 489         .phyctl_offset = REG_PHYCTL_A10,
 490         .enable_pmu_unk1 = false,
 491 };
 492
 493 static const struct sun4i_usb_phy_cfg sun7i_a20_cfg = {
 494         .num_phys = 3,
 495         .type = sun4i_a10_phy,
 496         .disc_thresh = 2,
 497         .phyctl_offset = REG_PHYCTL_A10,
 498         .enable_pmu_unk1 = false,
 499 };
 500
 501 static const struct sun4i_usb_phy_cfg sun8i_a23_cfg = {
 502         .num_phys = 2,
 503         .type = sun4i_a10_phy,
 504         .disc_thresh = 3,
 505         .phyctl_offset = REG_PHYCTL_A10,
 506         .enable_pmu_unk1 = false,
 507 };
 508
 509 static const struct sun4i_usb_phy_cfg sun8i_a33_cfg = {
 510         .num_phys = 2,
 511         .type = sun8i_a33_phy,
 512         .disc_thresh = 3,
 513         .phyctl_offset = REG_PHYCTL_A33,
 514         .enable_pmu_unk1 = false,
 515 };
 516
 517 static const struct sun4i_usb_phy_cfg sun8i_a83t_cfg = {
 518         .num_phys = 3,
 519         .type = sun8i_a83t_phy,
 520         .phyctl_offset = REG_PHYCTL_A33,
 521 };
 522
 523 static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = {
 524         .num_phys = 4,
 525         .type = sun8i_h3_phy,
 526         .disc_thresh = 3,
 527         .phyctl_offset = REG_PHYCTL_A33,
 528         .enable_pmu_unk1 = true,
 529         .phy0_dual_route = true,
 530 };
 531
 532 static const struct sun4i_usb_phy_cfg sun8i_v3s_cfg = {
 533         .num_phys = 1,
 534         .type = sun8i_v3s_phy,
 535         .disc_thresh = 3,
 536         .phyctl_offset = REG_PHYCTL_A33,
 537         .enable_pmu_unk1 = true,
 538         .phy0_dual_route = true,
 539 };
 540
 541 static const struct sun4i_usb_phy_cfg sun50i_a64_cfg = {
 542         .num_phys = 2,
 543         .type = sun50i_a64_phy,
 544         .disc_thresh = 3,
 545         .phyctl_offset = REG_PHYCTL_A33,
 546         .enable_pmu_unk1 = true,
 547         .phy0_dual_route = true,
 548 };
 549
 550 static const struct udevice_id sun4i_usb_phy_ids[] = {
 551         { .compatible = "allwinner,sun4i-a10-usb-phy", .data = (ulong)&sun4i_a10_cfg },
 552         { .compatible = "allwinner,sun5i-a13-usb-phy", .data = (ulong)&sun5i_a13_cfg },
 553         { .compatible = "allwinner,sun6i-a31-usb-phy", .data = (ulong)&sun6i_a31_cfg },
 554         { .compatible = "allwinner,sun7i-a20-usb-phy", .data = (ulong)&sun7i_a20_cfg },
 555         { .compatible = "allwinner,sun8i-a23-usb-phy", .data = (ulong)&sun8i_a23_cfg },
 556         { .compatible = "allwinner,sun8i-a33-usb-phy", .data = (ulong)&sun8i_a33_cfg },
 557         { .compatible = "allwinner,sun8i-a83t-usb-phy", .data = (ulong)&sun8i_a83t_cfg },
 558         { .compatible = "allwinner,sun8i-h3-usb-phy", .data = (ulong)&sun8i_h3_cfg },
 559         { .compatible = "allwinner,sun8i-v3s-usb-phy", .data = (ulong)&sun8i_v3s_cfg },
 560         { .compatible = "allwinner,sun50i-a64-usb-phy", .data = (ulong)&sun50i_a64_cfg},
 561         { }
 562 };
 563
 564 U_BOOT_DRIVER(sun4i_usb_phy) = {
 565         .name   = "sun4i_usb_phy",
 566         .id     = UCLASS_PHY,
 567         .of_match = sun4i_usb_phy_ids,
 568         .ops = &sun4i_usb_phy_ops,
 569         .probe = sun4i_usb_phy_probe,
 570         .platdata_auto_alloc_size = sizeof(struct sun4i_usb_phy_plat[MAX_PHYS]),
 571         .priv_auto_alloc_size = sizeof(struct sun4i_usb_phy_data),
 572 };