drivers/net/phy/marvell-88x2222.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Marvell 88x2222 dual-port multi-speed ethernet transceiver.
   4  *
   5  * Supports:
   6  *      XAUI on the host side.
   7  *      1000Base-X or 10GBase-R on the line side.
   8  *      SGMII over 1000Base-X.
   9  */
  10 #include <linux/module.h>
  11 #include <linux/phy.h>
  12 #include <linux/delay.h>
  13 #include <linux/mdio.h>
  14 #include <linux/marvell_phy.h>
  15 #include <linux/of.h>
  16 #include <linux/sfp.h>
  17 #include <linux/netdevice.h>
  18
  19 /* Port PCS Configuration */
  20 #define MV_PCS_CONFIG           0xF002
  21 #define MV_PCS_HOST_XAUI        0x73
  22 #define MV_PCS_LINE_10GBR       (0x71 << 8)
  23 #define MV_PCS_LINE_1GBX_AN     (0x7B << 8)
  24 #define MV_PCS_LINE_SGMII_AN    (0x7F << 8)
  25
  26 /* Port Reset and Power Down */
  27 #define MV_PORT_RST     0xF003
  28 #define MV_LINE_RST_SW  BIT(15)
  29 #define MV_HOST_RST_SW  BIT(7)
  30 #define MV_PORT_RST_SW  (MV_LINE_RST_SW | MV_HOST_RST_SW)
  31
  32 /* PMD Receive Signal Detect */
  33 #define MV_RX_SIGNAL_DETECT             0x000A
  34 #define MV_RX_SIGNAL_DETECT_GLOBAL      BIT(0)
  35
  36 /* 1000Base-X/SGMII Control Register */
  37 #define MV_1GBX_CTRL            (0x2000 + MII_BMCR)
  38
  39 /* 1000BASE-X/SGMII Status Register */
  40 #define MV_1GBX_STAT            (0x2000 + MII_BMSR)
  41
  42 /* 1000Base-X Auto-Negotiation Advertisement Register */
  43 #define MV_1GBX_ADVERTISE       (0x2000 + MII_ADVERTISE)
  44
  45 /* 1000Base-X PHY Specific Status Register */
  46 #define MV_1GBX_PHY_STAT                0xA003
  47 #define MV_1GBX_PHY_STAT_AN_RESOLVED    BIT(11)
  48 #define MV_1GBX_PHY_STAT_DUPLEX         BIT(13)
  49 #define MV_1GBX_PHY_STAT_SPEED100       BIT(14)
  50 #define MV_1GBX_PHY_STAT_SPEED1000      BIT(15)
  51
  52 #define AUTONEG_TIMEOUT 3
  53
  54 struct mv2222_data {
  55         phy_interface_t line_interface;
  56         __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
  57         bool sfp_link;
  58 };
  59
  60 /* SFI PMA transmit enable */
  61 static int mv2222_tx_enable(struct phy_device *phydev)
  62 {
  63         return phy_clear_bits_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_TXDIS,
  64                                   MDIO_PMD_TXDIS_GLOBAL);
  65 }
  66
  67 /* SFI PMA transmit disable */
  68 static int mv2222_tx_disable(struct phy_device *phydev)
  69 {
  70         return phy_set_bits_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_TXDIS,
  71                                 MDIO_PMD_TXDIS_GLOBAL);
  72 }
  73
  74 static int mv2222_soft_reset(struct phy_device *phydev)
  75 {
  76         int val, ret;
  77
  78         ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_PORT_RST,
  79                             MV_PORT_RST_SW);
  80         if (ret < 0)
  81                 return ret;
  82
  83         return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND2, MV_PORT_RST,
  84                                          val, !(val & MV_PORT_RST_SW),
  85                                          5000, 1000000, true);
  86 }
  87
  88 static int mv2222_disable_aneg(struct phy_device *phydev)
  89 {
  90         int ret = phy_clear_bits_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_CTRL,
  91                                      BMCR_ANENABLE | BMCR_ANRESTART);
  92         if (ret < 0)
  93                 return ret;
  94
  95         return mv2222_soft_reset(phydev);
  96 }
  97
  98 static int mv2222_enable_aneg(struct phy_device *phydev)
  99 {
 100         int ret = phy_set_bits_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_CTRL,
 101                                    BMCR_ANENABLE | BMCR_RESET);
 102         if (ret < 0)
 103                 return ret;
 104
 105         return mv2222_soft_reset(phydev);
 106 }
 107
 108 static int mv2222_set_sgmii_speed(struct phy_device *phydev)
 109 {
 110         struct mv2222_data *priv = phydev->priv;
 111
 112         switch (phydev->speed) {
 113         default:
 114         case SPEED_1000:
 115                 if ((linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
 116                                        priv->supported) ||
 117                      linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
 118                                        priv->supported)))
 119                         return phy_modify_mmd(phydev, MDIO_MMD_PCS,
 120                                               MV_1GBX_CTRL,
 121                                               BMCR_SPEED1000 | BMCR_SPEED100,
 122                                               BMCR_SPEED1000);
 123
 124                 fallthrough;
 125         case SPEED_100:
 126                 if ((linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
 127                                        priv->supported) ||
 128                      linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
 129                                        priv->supported)))
 130                         return phy_modify_mmd(phydev, MDIO_MMD_PCS,
 131                                               MV_1GBX_CTRL,
 132                                               BMCR_SPEED1000 | BMCR_SPEED100,
 133                                               BMCR_SPEED100);
 134                 fallthrough;
 135         case SPEED_10:
 136                 if ((linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
 137                                        priv->supported) ||
 138                      linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
 139                                        priv->supported)))
 140                         return phy_modify_mmd(phydev, MDIO_MMD_PCS,
 141                                               MV_1GBX_CTRL,
 142                                               BMCR_SPEED1000 | BMCR_SPEED100,
 143                                               BMCR_SPEED10);
 144
 145                 return -EINVAL;
 146         }
 147 }
 148
 149 static bool mv2222_is_10g_capable(struct phy_device *phydev)
 150 {
 151         struct mv2222_data *priv = phydev->priv;
 152
 153         return (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
 154                                   priv->supported) ||
 155                 linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
 156                                   priv->supported) ||
 157                 linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
 158                                   priv->supported) ||
 159                 linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
 160                                   priv->supported) ||
 161                 linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
 162                                   priv->supported) ||
 163                 linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
 164                                   priv->supported));
 165 }
 166
 167 static bool mv2222_is_1gbx_capable(struct phy_device *phydev)
 168 {
 169         struct mv2222_data *priv = phydev->priv;
 170
 171         return linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
 172                                  priv->supported);
 173 }
 174
 175 static bool mv2222_is_sgmii_capable(struct phy_device *phydev)
 176 {
 177         struct mv2222_data *priv = phydev->priv;
 178
 179         return (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
 180                                   priv->supported) ||
 181                 linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
 182                                   priv->supported) ||
 183                 linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
 184                                   priv->supported) ||
 185                 linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
 186                                   priv->supported) ||
 187                 linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
 188                                   priv->supported) ||
 189                 linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
 190                                   priv->supported));
 191 }
 192
 193 static int mv2222_config_line(struct phy_device *phydev)
 194 {
 195         struct mv2222_data *priv = phydev->priv;
 196
 197         switch (priv->line_interface) {
 198         case PHY_INTERFACE_MODE_10GBASER:
 199                 return phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_PCS_CONFIG,
 200                                      MV_PCS_HOST_XAUI | MV_PCS_LINE_10GBR);
 201         case PHY_INTERFACE_MODE_1000BASEX:
 202                 return phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_PCS_CONFIG,
 203                                      MV_PCS_HOST_XAUI | MV_PCS_LINE_1GBX_AN);
 204         case PHY_INTERFACE_MODE_SGMII:
 205                 return phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_PCS_CONFIG,
 206                                      MV_PCS_HOST_XAUI | MV_PCS_LINE_SGMII_AN);
 207         default:
 208                 return -EINVAL;
 209         }
 210 }
 211
 212 /* Switch between 1G (1000Base-X/SGMII) and 10G (10GBase-R) modes */
 213 static int mv2222_swap_line_type(struct phy_device *phydev)
 214 {
 215         struct mv2222_data *priv = phydev->priv;
 216         bool changed = false;
 217         int ret;
 218
 219         switch (priv->line_interface) {
 220         case PHY_INTERFACE_MODE_10GBASER:
 221                 if (mv2222_is_1gbx_capable(phydev)) {
 222                         priv->line_interface = PHY_INTERFACE_MODE_1000BASEX;
 223                         changed = true;
 224                 }
 225
 226                 if (mv2222_is_sgmii_capable(phydev)) {
 227                         priv->line_interface = PHY_INTERFACE_MODE_SGMII;
 228                         changed = true;
 229                 }
 230
 231                 break;
 232         case PHY_INTERFACE_MODE_1000BASEX:
 233         case PHY_INTERFACE_MODE_SGMII:
 234                 if (mv2222_is_10g_capable(phydev)) {
 235                         priv->line_interface = PHY_INTERFACE_MODE_10GBASER;
 236                         changed = true;
 237                 }
 238
 239                 break;
 240         default:
 241                 return -EINVAL;
 242         }
 243
 244         if (changed) {
 245                 ret = mv2222_config_line(phydev);
 246                 if (ret < 0)
 247                         return ret;
 248         }
 249
 250         return 0;
 251 }
 252
 253 static int mv2222_setup_forced(struct phy_device *phydev)
 254 {
 255         struct mv2222_data *priv = phydev->priv;
 256         int ret;
 257
 258         if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER) {
 259                 if (phydev->speed < SPEED_10000 &&
 260                     phydev->speed != SPEED_UNKNOWN) {
 261                         ret = mv2222_swap_line_type(phydev);
 262                         if (ret < 0)
 263                                 return ret;
 264                 }
 265         }
 266
 267         if (priv->line_interface == PHY_INTERFACE_MODE_SGMII) {
 268                 ret = mv2222_set_sgmii_speed(phydev);
 269                 if (ret < 0)
 270                         return ret;
 271         }
 272
 273         return mv2222_disable_aneg(phydev);
 274 }
 275
 276 static int mv2222_config_aneg(struct phy_device *phydev)
 277 {
 278         struct mv2222_data *priv = phydev->priv;
 279         int ret, adv;
 280
 281         /* SFP is not present, do nothing */
 282         if (priv->line_interface == PHY_INTERFACE_MODE_NA)
 283                 return 0;
 284
 285         if (phydev->autoneg == AUTONEG_DISABLE ||
 286             priv->line_interface == PHY_INTERFACE_MODE_10GBASER)
 287                 return mv2222_setup_forced(phydev);
 288
 289         adv = linkmode_adv_to_mii_adv_x(priv->supported,
 290                                         ETHTOOL_LINK_MODE_1000baseX_Full_BIT);
 291
 292         ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_ADVERTISE,
 293                              ADVERTISE_1000XFULL |
 294                              ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM,
 295                              adv);
 296         if (ret < 0)
 297                 return ret;
 298
 299         return mv2222_enable_aneg(phydev);
 300 }
 301
 302 static int mv2222_aneg_done(struct phy_device *phydev)
 303 {
 304         int ret;
 305
 306         if (mv2222_is_10g_capable(phydev)) {
 307                 ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1);
 308                 if (ret < 0)
 309                         return ret;
 310
 311                 if (ret & MDIO_STAT1_LSTATUS)
 312                         return 1;
 313         }
 314
 315         ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_STAT);
 316         if (ret < 0)
 317                 return ret;
 318
 319         return (ret & BMSR_ANEGCOMPLETE);
 320 }
 321
 322 /* Returns negative on error, 0 if link is down, 1 if link is up */
 323 static int mv2222_read_status_10g(struct phy_device *phydev)
 324 {
 325         static int timeout;
 326         int val, link = 0;
 327
 328         val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1);
 329         if (val < 0)
 330                 return val;
 331
 332         if (val & MDIO_STAT1_LSTATUS) {
 333                 link = 1;
 334
 335                 /* 10GBASE-R do not support auto-negotiation */
 336                 phydev->autoneg = AUTONEG_DISABLE;
 337                 phydev->speed = SPEED_10000;
 338                 phydev->duplex = DUPLEX_FULL;
 339         } else {
 340                 if (phydev->autoneg == AUTONEG_ENABLE) {
 341                         timeout++;
 342
 343                         if (timeout > AUTONEG_TIMEOUT) {
 344                                 timeout = 0;
 345
 346                                 val = mv2222_swap_line_type(phydev);
 347                                 if (val < 0)
 348                                         return val;
 349
 350                                 return mv2222_config_aneg(phydev);
 351                         }
 352                 }
 353         }
 354
 355         return link;
 356 }
 357
 358 /* Returns negative on error, 0 if link is down, 1 if link is up */
 359 static int mv2222_read_status_1g(struct phy_device *phydev)
 360 {
 361         static int timeout;
 362         int val, link = 0;
 363
 364         val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_STAT);
 365         if (val < 0)
 366                 return val;
 367
 368         if (phydev->autoneg == AUTONEG_ENABLE &&
 369             !(val & BMSR_ANEGCOMPLETE)) {
 370                 timeout++;
 371
 372                 if (timeout > AUTONEG_TIMEOUT) {
 373                         timeout = 0;
 374
 375                         val = mv2222_swap_line_type(phydev);
 376                         if (val < 0)
 377                                 return val;
 378
 379                         return mv2222_config_aneg(phydev);
 380                 }
 381
 382                 return 0;
 383         }
 384
 385         if (!(val & BMSR_LSTATUS))
 386                 return 0;
 387
 388         link = 1;
 389
 390         val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_PHY_STAT);
 391         if (val < 0)
 392                 return val;
 393
 394         if (val & MV_1GBX_PHY_STAT_AN_RESOLVED) {
 395                 if (val & MV_1GBX_PHY_STAT_DUPLEX)
 396                         phydev->duplex = DUPLEX_FULL;
 397                 else
 398                         phydev->duplex = DUPLEX_HALF;
 399
 400                 if (val & MV_1GBX_PHY_STAT_SPEED1000)
 401                         phydev->speed = SPEED_1000;
 402                 else if (val & MV_1GBX_PHY_STAT_SPEED100)
 403                         phydev->speed = SPEED_100;
 404                 else
 405                         phydev->speed = SPEED_10;
 406         }
 407
 408         return link;
 409 }
 410
 411 static bool mv2222_link_is_operational(struct phy_device *phydev)
 412 {
 413         struct mv2222_data *priv = phydev->priv;
 414         int val;
 415
 416         val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_RX_SIGNAL_DETECT);
 417         if (val < 0 || !(val & MV_RX_SIGNAL_DETECT_GLOBAL))
 418                 return false;
 419
 420         if (phydev->sfp_bus && !priv->sfp_link)
 421                 return false;
 422
 423         return true;
 424 }
 425
 426 static int mv2222_read_status(struct phy_device *phydev)
 427 {
 428         struct mv2222_data *priv = phydev->priv;
 429         int link;
 430
 431         phydev->link = 0;
 432         phydev->speed = SPEED_UNKNOWN;
 433         phydev->duplex = DUPLEX_UNKNOWN;
 434
 435         if (!mv2222_link_is_operational(phydev))
 436                 return 0;
 437
 438         if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER)
 439                 link = mv2222_read_status_10g(phydev);
 440         else
 441                 link = mv2222_read_status_1g(phydev);
 442
 443         if (link < 0)
 444                 return link;
 445
 446         phydev->link = link;
 447
 448         return 0;
 449 }
 450
 451 static int mv2222_resume(struct phy_device *phydev)
 452 {
 453         return mv2222_tx_enable(phydev);
 454 }
 455
 456 static int mv2222_suspend(struct phy_device *phydev)
 457 {
 458         return mv2222_tx_disable(phydev);
 459 }
 460
 461 static int mv2222_get_features(struct phy_device *phydev)
 462 {
 463         /* All supported linkmodes are set at probe */
 464
 465         return 0;
 466 }
 467
 468 static int mv2222_config_init(struct phy_device *phydev)
 469 {
 470         if (phydev->interface != PHY_INTERFACE_MODE_XAUI)
 471                 return -EINVAL;
 472
 473         return 0;
 474 }
 475
 476 static int mv2222_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
 477 {
 478         DECLARE_PHY_INTERFACE_MASK(interfaces);
 479         struct phy_device *phydev = upstream;
 480         phy_interface_t sfp_interface;
 481         struct mv2222_data *priv;
 482         struct device *dev;
 483         int ret;
 484
 485         __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_supported) = { 0, };
 486
 487         priv = phydev->priv;
 488         dev = &phydev->mdio.dev;
 489
 490         sfp_parse_support(phydev->sfp_bus, id, sfp_supported, interfaces);
 491         phydev->port = sfp_parse_port(phydev->sfp_bus, id, sfp_supported);
 492         sfp_interface = sfp_select_interface(phydev->sfp_bus, sfp_supported);
 493
 494         dev_info(dev, "%s SFP module inserted\n", phy_modes(sfp_interface));
 495
 496         if (sfp_interface != PHY_INTERFACE_MODE_10GBASER &&
 497             sfp_interface != PHY_INTERFACE_MODE_1000BASEX &&
 498             sfp_interface != PHY_INTERFACE_MODE_SGMII) {
 499                 dev_err(dev, "Incompatible SFP module inserted\n");
 500
 501                 return -EINVAL;
 502         }
 503
 504         priv->line_interface = sfp_interface;
 505         linkmode_and(priv->supported, phydev->supported, sfp_supported);
 506
 507         ret = mv2222_config_line(phydev);
 508         if (ret < 0)
 509                 return ret;
 510
 511         if (mutex_trylock(&phydev->lock)) {
 512                 ret = mv2222_config_aneg(phydev);
 513                 mutex_unlock(&phydev->lock);
 514         }
 515
 516         return ret;
 517 }
 518
 519 static void mv2222_sfp_remove(void *upstream)
 520 {
 521         struct phy_device *phydev = upstream;
 522         struct mv2222_data *priv;
 523
 524         priv = phydev->priv;
 525
 526         priv->line_interface = PHY_INTERFACE_MODE_NA;
 527         linkmode_zero(priv->supported);
 528         phydev->port = PORT_NONE;
 529 }
 530
 531 static void mv2222_sfp_link_up(void *upstream)
 532 {
 533         struct phy_device *phydev = upstream;
 534         struct mv2222_data *priv;
 535
 536         priv = phydev->priv;
 537         priv->sfp_link = true;
 538 }
 539
 540 static void mv2222_sfp_link_down(void *upstream)
 541 {
 542         struct phy_device *phydev = upstream;
 543         struct mv2222_data *priv;
 544
 545         priv = phydev->priv;
 546         priv->sfp_link = false;
 547 }
 548
 549 static const struct sfp_upstream_ops sfp_phy_ops = {
 550         .module_insert = mv2222_sfp_insert,
 551         .module_remove = mv2222_sfp_remove,
 552         .link_up = mv2222_sfp_link_up,
 553         .link_down = mv2222_sfp_link_down,
 554         .attach = phy_sfp_attach,
 555         .detach = phy_sfp_detach,
 556         .connect_phy = phy_sfp_connect_phy,
 557         .disconnect_phy = phy_sfp_disconnect_phy,
 558 };
 559
 560 static int mv2222_probe(struct phy_device *phydev)
 561 {
 562         struct device *dev = &phydev->mdio.dev;
 563         struct mv2222_data *priv = NULL;
 564
 565         __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = { 0, };
 566
 567         linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, supported);
 568         linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, supported);
 569         linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, supported);
 570         linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, supported);
 571         linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, supported);
 572         linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, supported);
 573         linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, supported);
 574         linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, supported);
 575         linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, supported);
 576         linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, supported);
 577         linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, supported);
 578         linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, supported);
 579         linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, supported);
 580         linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, supported);
 581         linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, supported);
 582         linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, supported);
 583         linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT, supported);
 584         linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseER_Full_BIT, supported);
 585
 586         linkmode_copy(phydev->supported, supported);
 587
 588         priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 589         if (!priv)
 590                 return -ENOMEM;
 591
 592         priv->line_interface = PHY_INTERFACE_MODE_NA;
 593         phydev->priv = priv;
 594
 595         return phy_sfp_probe(phydev, &sfp_phy_ops);
 596 }
 597
 598 static struct phy_driver mv2222_drivers[] = {
 599         {
 600                 .phy_id = MARVELL_PHY_ID_88X2222,
 601                 .phy_id_mask = MARVELL_PHY_ID_MASK,
 602                 .name = "Marvell 88X2222",
 603                 .get_features = mv2222_get_features,
 604                 .soft_reset = mv2222_soft_reset,
 605                 .config_init = mv2222_config_init,
 606                 .config_aneg = mv2222_config_aneg,
 607                 .aneg_done = mv2222_aneg_done,
 608                 .probe = mv2222_probe,
 609                 .suspend = mv2222_suspend,
 610                 .resume = mv2222_resume,
 611                 .read_status = mv2222_read_status,
 612         },
 613 };
 614 module_phy_driver(mv2222_drivers);
 615
 616 static struct mdio_device_id __maybe_unused mv2222_tbl[] = {
 617         { MARVELL_PHY_ID_88X2222, MARVELL_PHY_ID_MASK },
 618         { }
 619 };
 620 MODULE_DEVICE_TABLE(mdio, mv2222_tbl);
 621
 622 MODULE_DESCRIPTION("Marvell 88x2222 ethernet transceiver driver");
 623 MODULE_LICENSE("GPL");