drivers/net/phy/micrel.c

   1 /*
   2  * drivers/net/phy/micrel.c
   3  *
   4  * Driver for Micrel PHYs
   5  *
   6  * Author: David J. Choi
   7  *
   8  * Copyright (c) 2010-2013 Micrel, Inc.
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  *
  15  * Support : Micrel Phys:
  16  *              Giga phys: ksz9021, ksz9031
  17  *              100/10 Phys : ksz8001, ksz8721, ksz8737, ksz8041
  18  *                         ksz8021, ksz8031, ksz8051,
  19  *                         ksz8081, ksz8091,
  20  *                         ksz8061,
  21  *              Switch : ksz8873, ksz886x
  22  */
  23
  24 #include <linux/kernel.h>
  25 #include <linux/module.h>
  26 #include <linux/phy.h>
  27 #include <linux/micrel_phy.h>
  28 #include <linux/of.h>
  29
  30 /* Operation Mode Strap Override */
  31 #define MII_KSZPHY_OMSO                         0x16
  32 #define KSZPHY_OMSO_B_CAST_OFF                  (1 << 9)
  33 #define KSZPHY_OMSO_RMII_OVERRIDE               (1 << 1)
  34 #define KSZPHY_OMSO_MII_OVERRIDE                (1 << 0)
  35
  36 /* general Interrupt control/status reg in vendor specific block. */
  37 #define MII_KSZPHY_INTCS                        0x1B
  38 #define KSZPHY_INTCS_JABBER                     (1 << 15)
  39 #define KSZPHY_INTCS_RECEIVE_ERR                (1 << 14)
  40 #define KSZPHY_INTCS_PAGE_RECEIVE               (1 << 13)
  41 #define KSZPHY_INTCS_PARELLEL                   (1 << 12)
  42 #define KSZPHY_INTCS_LINK_PARTNER_ACK           (1 << 11)
  43 #define KSZPHY_INTCS_LINK_DOWN                  (1 << 10)
  44 #define KSZPHY_INTCS_REMOTE_FAULT               (1 << 9)
  45 #define KSZPHY_INTCS_LINK_UP                    (1 << 8)
  46 #define KSZPHY_INTCS_ALL                        (KSZPHY_INTCS_LINK_UP |\
  47                                                 KSZPHY_INTCS_LINK_DOWN)
  48
  49 /* general PHY control reg in vendor specific block. */
  50 #define MII_KSZPHY_CTRL                 0x1F
  51 /* bitmap of PHY register to set interrupt mode */
  52 #define KSZPHY_CTRL_INT_ACTIVE_HIGH             (1 << 9)
  53 #define KSZ9021_CTRL_INT_ACTIVE_HIGH            (1 << 14)
  54 #define KS8737_CTRL_INT_ACTIVE_HIGH             (1 << 14)
  55 #define KSZ8051_RMII_50MHZ_CLK                  (1 << 7)
  56
  57 /* Write/read to/from extended registers */
  58 #define MII_KSZPHY_EXTREG                       0x0b
  59 #define KSZPHY_EXTREG_WRITE                     0x8000
  60
  61 #define MII_KSZPHY_EXTREG_WRITE                 0x0c
  62 #define MII_KSZPHY_EXTREG_READ                  0x0d
  63
  64 /* Extended registers */
  65 #define MII_KSZPHY_CLK_CONTROL_PAD_SKEW         0x104
  66 #define MII_KSZPHY_RX_DATA_PAD_SKEW             0x105
  67 #define MII_KSZPHY_TX_DATA_PAD_SKEW             0x106
  68
  69 #define PS_TO_REG                               200
  70
  71 static int ksz_config_flags(struct phy_device *phydev)
  72 {
  73         int regval;
  74
  75         if (phydev->dev_flags & MICREL_PHY_50MHZ_CLK) {
  76                 regval = phy_read(phydev, MII_KSZPHY_CTRL);
  77                 regval |= KSZ8051_RMII_50MHZ_CLK;
  78                 return phy_write(phydev, MII_KSZPHY_CTRL, regval);
  79         }
  80         return 0;
  81 }
  82
  83 static int kszphy_extended_write(struct phy_device *phydev,
  84                                 u32 regnum, u16 val)
  85 {
  86         phy_write(phydev, MII_KSZPHY_EXTREG, KSZPHY_EXTREG_WRITE | regnum);
  87         return phy_write(phydev, MII_KSZPHY_EXTREG_WRITE, val);
  88 }
  89
  90 static int kszphy_extended_read(struct phy_device *phydev,
  91                                 u32 regnum)
  92 {
  93         phy_write(phydev, MII_KSZPHY_EXTREG, regnum);
  94         return phy_read(phydev, MII_KSZPHY_EXTREG_READ);
  95 }
  96
  97 static int kszphy_ack_interrupt(struct phy_device *phydev)
  98 {
  99         /* bit[7..0] int status, which is a read and clear register. */
 100         int rc;
 101
 102         rc = phy_read(phydev, MII_KSZPHY_INTCS);
 103
 104         return (rc < 0) ? rc : 0;
 105 }
 106
 107 static int kszphy_set_interrupt(struct phy_device *phydev)
 108 {
 109         int temp;
 110         temp = (PHY_INTERRUPT_ENABLED == phydev->interrupts) ?
 111                 KSZPHY_INTCS_ALL : 0;
 112         return phy_write(phydev, MII_KSZPHY_INTCS, temp);
 113 }
 114
 115 static int kszphy_config_intr(struct phy_device *phydev)
 116 {
 117         int temp, rc;
 118
 119         /* set the interrupt pin active low */
 120         temp = phy_read(phydev, MII_KSZPHY_CTRL);
 121         temp &= ~KSZPHY_CTRL_INT_ACTIVE_HIGH;
 122         phy_write(phydev, MII_KSZPHY_CTRL, temp);
 123         rc = kszphy_set_interrupt(phydev);
 124         return rc < 0 ? rc : 0;
 125 }
 126
 127 static int ksz9021_config_intr(struct phy_device *phydev)
 128 {
 129         int temp, rc;
 130
 131         /* set the interrupt pin active low */
 132         temp = phy_read(phydev, MII_KSZPHY_CTRL);
 133         temp &= ~KSZ9021_CTRL_INT_ACTIVE_HIGH;
 134         phy_write(phydev, MII_KSZPHY_CTRL, temp);
 135         rc = kszphy_set_interrupt(phydev);
 136         return rc < 0 ? rc : 0;
 137 }
 138
 139 static int ks8737_config_intr(struct phy_device *phydev)
 140 {
 141         int temp, rc;
 142
 143         /* set the interrupt pin active low */
 144         temp = phy_read(phydev, MII_KSZPHY_CTRL);
 145         temp &= ~KS8737_CTRL_INT_ACTIVE_HIGH;
 146         phy_write(phydev, MII_KSZPHY_CTRL, temp);
 147         rc = kszphy_set_interrupt(phydev);
 148         return rc < 0 ? rc : 0;
 149 }
 150
 151 static int kszphy_setup_led(struct phy_device *phydev,
 152                             unsigned int reg, unsigned int shift)
 153 {
 154
 155         struct device *dev = &phydev->dev;
 156         struct device_node *of_node = dev->of_node;
 157         int rc, temp;
 158         u32 val;
 159
 160         if (!of_node && dev->parent->of_node)
 161                 of_node = dev->parent->of_node;
 162
 163         if (of_property_read_u32(of_node, "micrel,led-mode", &val))
 164                 return 0;
 165
 166         temp = phy_read(phydev, reg);
 167         if (temp < 0)
 168                 return temp;
 169
 170         temp &= ~(3 << shift);
 171         temp |= val << shift;
 172         rc = phy_write(phydev, reg, temp);
 173
 174         return rc < 0 ? rc : 0;
 175 }
 176
 177 static int kszphy_config_init(struct phy_device *phydev)
 178 {
 179         return 0;
 180 }
 181
 182 static int kszphy_config_init_led8041(struct phy_device *phydev)
 183 {
 184         /* single led control, register 0x1e bits 15..14 */
 185         return kszphy_setup_led(phydev, 0x1e, 14);
 186 }
 187
 188 static int ksz8021_config_init(struct phy_device *phydev)
 189 {
 190         const u16 val = KSZPHY_OMSO_B_CAST_OFF | KSZPHY_OMSO_RMII_OVERRIDE;
 191         int rc;
 192
 193         rc = kszphy_setup_led(phydev, 0x1f, 4);
 194         if (rc)
 195                 dev_err(&phydev->dev, "failed to set led mode\n");
 196
 197         phy_write(phydev, MII_KSZPHY_OMSO, val);
 198         rc = ksz_config_flags(phydev);
 199         return rc < 0 ? rc : 0;
 200 }
 201
 202 static int ks8051_config_init(struct phy_device *phydev)
 203 {
 204         int rc;
 205
 206         rc = kszphy_setup_led(phydev, 0x1f, 4);
 207         if (rc)
 208                 dev_err(&phydev->dev, "failed to set led mode\n");
 209
 210         rc = ksz_config_flags(phydev);
 211         return rc < 0 ? rc : 0;
 212 }
 213
 214 static int ksz9021_load_values_from_of(struct phy_device *phydev,
 215                                        struct device_node *of_node, u16 reg,
 216                                        char *field1, char *field2,
 217                                        char *field3, char *field4)
 218 {
 219         int val1 = -1;
 220         int val2 = -2;
 221         int val3 = -3;
 222         int val4 = -4;
 223         int newval;
 224         int matches = 0;
 225
 226         if (!of_property_read_u32(of_node, field1, &val1))
 227                 matches++;
 228
 229         if (!of_property_read_u32(of_node, field2, &val2))
 230                 matches++;
 231
 232         if (!of_property_read_u32(of_node, field3, &val3))
 233                 matches++;
 234
 235         if (!of_property_read_u32(of_node, field4, &val4))
 236                 matches++;
 237
 238         if (!matches)
 239                 return 0;
 240
 241         if (matches < 4)
 242                 newval = kszphy_extended_read(phydev, reg);
 243         else
 244                 newval = 0;
 245
 246         if (val1 != -1)
 247                 newval = ((newval & 0xfff0) | ((val1 / PS_TO_REG) & 0xf) << 0);
 248
 249         if (val2 != -2)
 250                 newval = ((newval & 0xff0f) | ((val2 / PS_TO_REG) & 0xf) << 4);
 251
 252         if (val3 != -3)
 253                 newval = ((newval & 0xf0ff) | ((val3 / PS_TO_REG) & 0xf) << 8);
 254
 255         if (val4 != -4)
 256                 newval = ((newval & 0x0fff) | ((val4 / PS_TO_REG) & 0xf) << 12);
 257
 258         return kszphy_extended_write(phydev, reg, newval);
 259 }
 260
 261 static int ksz9021_config_init(struct phy_device *phydev)
 262 {
 263         struct device *dev = &phydev->dev;
 264         struct device_node *of_node = dev->of_node;
 265
 266         if (!of_node && dev->parent->of_node)
 267                 of_node = dev->parent->of_node;
 268
 269         if (of_node) {
 270                 ksz9021_load_values_from_of(phydev, of_node,
 271                                     MII_KSZPHY_CLK_CONTROL_PAD_SKEW,
 272                                     "txen-skew-ps", "txc-skew-ps",
 273                                     "rxdv-skew-ps", "rxc-skew-ps");
 274                 ksz9021_load_values_from_of(phydev, of_node,
 275                                     MII_KSZPHY_RX_DATA_PAD_SKEW,
 276                                     "rxd0-skew-ps", "rxd1-skew-ps",
 277                                     "rxd2-skew-ps", "rxd3-skew-ps");
 278                 ksz9021_load_values_from_of(phydev, of_node,
 279                                     MII_KSZPHY_TX_DATA_PAD_SKEW,
 280                                     "txd0-skew-ps", "txd1-skew-ps",
 281                                     "txd2-skew-ps", "txd3-skew-ps");
 282         }
 283         return 0;
 284 }
 285
 286 #define MII_KSZ9031RN_MMD_CTRL_REG      0x0d
 287 #define MII_KSZ9031RN_MMD_REGDATA_REG   0x0e
 288 #define OP_DATA                         1
 289 #define KSZ9031_PS_TO_REG               60
 290
 291 /* Extended registers */
 292 #define MII_KSZ9031RN_CONTROL_PAD_SKEW  4
 293 #define MII_KSZ9031RN_RX_DATA_PAD_SKEW  5
 294 #define MII_KSZ9031RN_TX_DATA_PAD_SKEW  6
 295 #define MII_KSZ9031RN_CLK_PAD_SKEW      8
 296
 297 static int ksz9031_extended_write(struct phy_device *phydev,
 298                                   u8 mode, u32 dev_addr, u32 regnum, u16 val)
 299 {
 300         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
 301         phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
 302         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
 303         return phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, val);
 304 }
 305
 306 static int ksz9031_extended_read(struct phy_device *phydev,
 307                                  u8 mode, u32 dev_addr, u32 regnum)
 308 {
 309         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
 310         phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
 311         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
 312         return phy_read(phydev, MII_KSZ9031RN_MMD_REGDATA_REG);
 313 }
 314
 315 static int ksz9031_of_load_skew_values(struct phy_device *phydev,
 316                                        struct device_node *of_node,
 317                                        u16 reg, size_t field_sz,
 318                                        char *field[], u8 numfields)
 319 {
 320         int val[4] = {-1, -2, -3, -4};
 321         int matches = 0;
 322         u16 mask;
 323         u16 maxval;
 324         u16 newval;
 325         int i;
 326
 327         for (i = 0; i < numfields; i++)
 328                 if (!of_property_read_u32(of_node, field[i], val + i))
 329                         matches++;
 330
 331         if (!matches)
 332                 return 0;
 333
 334         if (matches < numfields)
 335                 newval = ksz9031_extended_read(phydev, OP_DATA, 2, reg);
 336         else
 337                 newval = 0;
 338
 339         maxval = (field_sz == 4) ? 0xf : 0x1f;
 340         for (i = 0; i < numfields; i++)
 341                 if (val[i] != -(i + 1)) {
 342                         mask = 0xffff;
 343                         mask ^= maxval << (field_sz * i);
 344                         newval = (newval & mask) |
 345                                 (((val[i] / KSZ9031_PS_TO_REG) & maxval)
 346                                         << (field_sz * i));
 347                 }
 348
 349         return ksz9031_extended_write(phydev, OP_DATA, 2, reg, newval);
 350 }
 351
 352 static int ksz9031_config_init(struct phy_device *phydev)
 353 {
 354         struct device *dev = &phydev->dev;
 355         struct device_node *of_node = dev->of_node;
 356         char *clk_skews[2] = {"rxc-skew-ps", "txc-skew-ps"};
 357         char *rx_data_skews[4] = {
 358                 "rxd0-skew-ps", "rxd1-skew-ps",
 359                 "rxd2-skew-ps", "rxd3-skew-ps"
 360         };
 361         char *tx_data_skews[4] = {
 362                 "txd0-skew-ps", "txd1-skew-ps",
 363                 "txd2-skew-ps", "txd3-skew-ps"
 364         };
 365         char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"};
 366
 367         if (!of_node && dev->parent->of_node)
 368                 of_node = dev->parent->of_node;
 369
 370         if (of_node) {
 371                 ksz9031_of_load_skew_values(phydev, of_node,
 372                                 MII_KSZ9031RN_CLK_PAD_SKEW, 5,
 373                                 clk_skews, 2);
 374
 375                 ksz9031_of_load_skew_values(phydev, of_node,
 376                                 MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
 377                                 control_skews, 2);
 378
 379                 ksz9031_of_load_skew_values(phydev, of_node,
 380                                 MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
 381                                 rx_data_skews, 4);
 382
 383                 ksz9031_of_load_skew_values(phydev, of_node,
 384                                 MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
 385                                 tx_data_skews, 4);
 386         }
 387         return 0;
 388 }
 389
 390 #define KSZ8873MLL_GLOBAL_CONTROL_4     0x06
 391 #define KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX      (1 << 6)
 392 #define KSZ8873MLL_GLOBAL_CONTROL_4_SPEED       (1 << 4)
 393 static int ksz8873mll_read_status(struct phy_device *phydev)
 394 {
 395         int regval;
 396
 397         /* dummy read */
 398         regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
 399
 400         regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
 401
 402         if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX)
 403                 phydev->duplex = DUPLEX_HALF;
 404         else
 405                 phydev->duplex = DUPLEX_FULL;
 406
 407         if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_SPEED)
 408                 phydev->speed = SPEED_10;
 409         else
 410                 phydev->speed = SPEED_100;
 411
 412         phydev->link = 1;
 413         phydev->pause = phydev->asym_pause = 0;
 414
 415         return 0;
 416 }
 417
 418 static int ksz8873mll_config_aneg(struct phy_device *phydev)
 419 {
 420         return 0;
 421 }
 422
 423 /* This routine returns -1 as an indication to the caller that the
 424  * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE
 425  * MMD extended PHY registers.
 426  */
 427 static int
 428 ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
 429                       int regnum)
 430 {
 431         return -1;
 432 }
 433
 434 /* This routine does nothing since the Micrel ksz9021 does not support
 435  * standard IEEE MMD extended PHY registers.
 436  */
 437 static void
 438 ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
 439                       int regnum, u32 val)
 440 {
 441 }
 442
 443 static struct phy_driver ksphy_driver[] = {
 444 {
 445         .phy_id         = PHY_ID_KS8737,
 446         .phy_id_mask    = 0x00fffff0,
 447         .name           = "Micrel KS8737",
 448         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 449         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 450         .config_init    = kszphy_config_init,
 451         .config_aneg    = genphy_config_aneg,
 452         .read_status    = genphy_read_status,
 453         .ack_interrupt  = kszphy_ack_interrupt,
 454         .config_intr    = ks8737_config_intr,
 455         .suspend        = genphy_suspend,
 456         .resume         = genphy_resume,
 457         .driver         = { .owner = THIS_MODULE,},
 458 }, {
 459         .phy_id         = PHY_ID_KSZ8021,
 460         .phy_id_mask    = 0x00ffffff,
 461         .name           = "Micrel KSZ8021 or KSZ8031",
 462         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
 463                            SUPPORTED_Asym_Pause),
 464         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 465         .config_init    = ksz8021_config_init,
 466         .config_aneg    = genphy_config_aneg,
 467         .read_status    = genphy_read_status,
 468         .ack_interrupt  = kszphy_ack_interrupt,
 469         .config_intr    = kszphy_config_intr,
 470         .suspend        = genphy_suspend,
 471         .resume         = genphy_resume,
 472         .driver         = { .owner = THIS_MODULE,},
 473 }, {
 474         .phy_id         = PHY_ID_KSZ8031,
 475         .phy_id_mask    = 0x00ffffff,
 476         .name           = "Micrel KSZ8031",
 477         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
 478                            SUPPORTED_Asym_Pause),
 479         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 480         .config_init    = ksz8021_config_init,
 481         .config_aneg    = genphy_config_aneg,
 482         .read_status    = genphy_read_status,
 483         .ack_interrupt  = kszphy_ack_interrupt,
 484         .config_intr    = kszphy_config_intr,
 485         .suspend        = genphy_suspend,
 486         .resume         = genphy_resume,
 487         .driver         = { .owner = THIS_MODULE,},
 488 }, {
 489         .phy_id         = PHY_ID_KSZ8041,
 490         .phy_id_mask    = 0x00fffff0,
 491         .name           = "Micrel KSZ8041",
 492         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
 493                                 | SUPPORTED_Asym_Pause),
 494         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 495         .config_init    = kszphy_config_init_led8041,
 496         .config_aneg    = genphy_config_aneg,
 497         .read_status    = genphy_read_status,
 498         .ack_interrupt  = kszphy_ack_interrupt,
 499         .config_intr    = kszphy_config_intr,
 500         .suspend        = genphy_suspend,
 501         .resume         = genphy_resume,
 502         .driver         = { .owner = THIS_MODULE,},
 503 }, {
 504         .phy_id         = PHY_ID_KSZ8041RNLI,
 505         .phy_id_mask    = 0x00fffff0,
 506         .name           = "Micrel KSZ8041RNLI",
 507         .features       = PHY_BASIC_FEATURES |
 508                           SUPPORTED_Pause | SUPPORTED_Asym_Pause,
 509         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 510         .config_init    = kszphy_config_init_led8041,
 511         .config_aneg    = genphy_config_aneg,
 512         .read_status    = genphy_read_status,
 513         .ack_interrupt  = kszphy_ack_interrupt,
 514         .config_intr    = kszphy_config_intr,
 515         .suspend        = genphy_suspend,
 516         .resume         = genphy_resume,
 517         .driver         = { .owner = THIS_MODULE,},
 518 }, {
 519         .phy_id         = PHY_ID_KSZ8051,
 520         .phy_id_mask    = 0x00fffff0,
 521         .name           = "Micrel KSZ8051",
 522         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
 523                                 | SUPPORTED_Asym_Pause),
 524         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 525         .config_init    = ks8051_config_init,
 526         .config_aneg    = genphy_config_aneg,
 527         .read_status    = genphy_read_status,
 528         .ack_interrupt  = kszphy_ack_interrupt,
 529         .config_intr    = kszphy_config_intr,
 530         .suspend        = genphy_suspend,
 531         .resume         = genphy_resume,
 532         .driver         = { .owner = THIS_MODULE,},
 533 }, {
 534         .phy_id         = PHY_ID_KSZ8001,
 535         .name           = "Micrel KSZ8001 or KS8721",
 536         .phy_id_mask    = 0x00ffffff,
 537         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 538         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 539         .config_init    = kszphy_config_init_led8041,
 540         .config_aneg    = genphy_config_aneg,
 541         .read_status    = genphy_read_status,
 542         .ack_interrupt  = kszphy_ack_interrupt,
 543         .config_intr    = kszphy_config_intr,
 544         .suspend        = genphy_suspend,
 545         .resume         = genphy_resume,
 546         .driver         = { .owner = THIS_MODULE,},
 547 }, {
 548         .phy_id         = PHY_ID_KSZ8081,
 549         .name           = "Micrel KSZ8081 or KSZ8091",
 550         .phy_id_mask    = 0x00fffff0,
 551         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 552         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 553         .config_init    = kszphy_config_init,
 554         .config_aneg    = genphy_config_aneg,
 555         .read_status    = genphy_read_status,
 556         .ack_interrupt  = kszphy_ack_interrupt,
 557         .config_intr    = kszphy_config_intr,
 558         .suspend        = genphy_suspend,
 559         .resume         = genphy_resume,
 560         .driver         = { .owner = THIS_MODULE,},
 561 }, {
 562         .phy_id         = PHY_ID_KSZ8061,
 563         .name           = "Micrel KSZ8061",
 564         .phy_id_mask    = 0x00fffff0,
 565         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 566         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 567         .config_init    = kszphy_config_init,
 568         .config_aneg    = genphy_config_aneg,
 569         .read_status    = genphy_read_status,
 570         .ack_interrupt  = kszphy_ack_interrupt,
 571         .config_intr    = kszphy_config_intr,
 572         .suspend        = genphy_suspend,
 573         .resume         = genphy_resume,
 574         .driver         = { .owner = THIS_MODULE,},
 575 }, {
 576         .phy_id         = PHY_ID_KSZ9021,
 577         .phy_id_mask    = 0x000ffffe,
 578         .name           = "Micrel KSZ9021 Gigabit PHY",
 579         .features       = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
 580         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 581         .config_init    = ksz9021_config_init,
 582         .config_aneg    = genphy_config_aneg,
 583         .read_status    = genphy_read_status,
 584         .ack_interrupt  = kszphy_ack_interrupt,
 585         .config_intr    = ksz9021_config_intr,
 586         .suspend        = genphy_suspend,
 587         .resume         = genphy_resume,
 588         .read_mmd_indirect = ksz9021_rd_mmd_phyreg,
 589         .write_mmd_indirect = ksz9021_wr_mmd_phyreg,
 590         .driver         = { .owner = THIS_MODULE, },
 591 }, {
 592         .phy_id         = PHY_ID_KSZ9031,
 593         .phy_id_mask    = 0x00fffff0,
 594         .name           = "Micrel KSZ9031 Gigabit PHY",
 595         .features       = (PHY_GBIT_FEATURES | SUPPORTED_Pause
 596                                 | SUPPORTED_Asym_Pause),
 597         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 598         .config_init    = ksz9031_config_init,
 599         .config_aneg    = genphy_config_aneg,
 600         .read_status    = genphy_read_status,
 601         .ack_interrupt  = kszphy_ack_interrupt,
 602         .config_intr    = ksz9021_config_intr,
 603         .suspend        = genphy_suspend,
 604         .resume         = genphy_resume,
 605         .driver         = { .owner = THIS_MODULE, },
 606 }, {
 607         .phy_id         = PHY_ID_KSZ8873MLL,
 608         .phy_id_mask    = 0x00fffff0,
 609         .name           = "Micrel KSZ8873MLL Switch",
 610         .features       = (SUPPORTED_Pause | SUPPORTED_Asym_Pause),
 611         .flags          = PHY_HAS_MAGICANEG,
 612         .config_init    = kszphy_config_init,
 613         .config_aneg    = ksz8873mll_config_aneg,
 614         .read_status    = ksz8873mll_read_status,
 615         .suspend        = genphy_suspend,
 616         .resume         = genphy_resume,
 617         .driver         = { .owner = THIS_MODULE, },
 618 }, {
 619         .phy_id         = PHY_ID_KSZ886X,
 620         .phy_id_mask    = 0x00fffff0,
 621         .name           = "Micrel KSZ886X Switch",
 622         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 623         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 624         .config_init    = kszphy_config_init,
 625         .config_aneg    = genphy_config_aneg,
 626         .read_status    = genphy_read_status,
 627         .suspend        = genphy_suspend,
 628         .resume         = genphy_resume,
 629         .driver         = { .owner = THIS_MODULE, },
 630 } };
 631
 632 static int __init ksphy_init(void)
 633 {
 634         return phy_drivers_register(ksphy_driver,
 635                 ARRAY_SIZE(ksphy_driver));
 636 }
 637
 638 static void __exit ksphy_exit(void)
 639 {
 640         phy_drivers_unregister(ksphy_driver,
 641                 ARRAY_SIZE(ksphy_driver));
 642 }
 643
 644 module_init(ksphy_init);
 645 module_exit(ksphy_exit);
 646
 647 MODULE_DESCRIPTION("Micrel PHY driver");
 648 MODULE_AUTHOR("David J. Choi");
 649 MODULE_LICENSE("GPL");
 650
 651 static struct mdio_device_id __maybe_unused micrel_tbl[] = {
 652         { PHY_ID_KSZ9021, 0x000ffffe },
 653         { PHY_ID_KSZ9031, 0x00fffff0 },
 654         { PHY_ID_KSZ8001, 0x00ffffff },
 655         { PHY_ID_KS8737, 0x00fffff0 },
 656         { PHY_ID_KSZ8021, 0x00ffffff },
 657         { PHY_ID_KSZ8031, 0x00ffffff },
 658         { PHY_ID_KSZ8041, 0x00fffff0 },
 659         { PHY_ID_KSZ8051, 0x00fffff0 },
 660         { PHY_ID_KSZ8061, 0x00fffff0 },
 661         { PHY_ID_KSZ8081, 0x00fffff0 },
 662         { PHY_ID_KSZ8873MLL, 0x00fffff0 },
 663         { PHY_ID_KSZ886X, 0x00fffff0 },
 664         { }
 665 };
 666
 667 MODULE_DEVICE_TABLE(mdio, micrel_tbl);