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  * Copyright (c) 2014 Johan Hovold <johan@kernel.org>
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  *
  16  * Support : Micrel Phys:
  17  *              Giga phys: ksz9021, ksz9031
  18  *              100/10 Phys : ksz8001, ksz8721, ksz8737, ksz8041
  19  *                         ksz8021, ksz8031, ksz8051,
  20  *                         ksz8081, ksz8091,
  21  *                         ksz8061,
  22  *              Switch : ksz8873, ksz886x
  23  */
  24
  25 #include <linux/kernel.h>
  26 #include <linux/module.h>
  27 #include <linux/phy.h>
  28 #include <linux/micrel_phy.h>
  29 #include <linux/of.h>
  30 #include <linux/clk.h>
  31
  32 /* Operation Mode Strap Override */
  33 #define MII_KSZPHY_OMSO                         0x16
  34 #define KSZPHY_OMSO_B_CAST_OFF                  BIT(9)
  35 #define KSZPHY_OMSO_RMII_OVERRIDE               BIT(1)
  36 #define KSZPHY_OMSO_MII_OVERRIDE                BIT(0)
  37
  38 /* general Interrupt control/status reg in vendor specific block. */
  39 #define MII_KSZPHY_INTCS                        0x1B
  40 #define KSZPHY_INTCS_JABBER                     BIT(15)
  41 #define KSZPHY_INTCS_RECEIVE_ERR                BIT(14)
  42 #define KSZPHY_INTCS_PAGE_RECEIVE               BIT(13)
  43 #define KSZPHY_INTCS_PARELLEL                   BIT(12)
  44 #define KSZPHY_INTCS_LINK_PARTNER_ACK           BIT(11)
  45 #define KSZPHY_INTCS_LINK_DOWN                  BIT(10)
  46 #define KSZPHY_INTCS_REMOTE_FAULT               BIT(9)
  47 #define KSZPHY_INTCS_LINK_UP                    BIT(8)
  48 #define KSZPHY_INTCS_ALL                        (KSZPHY_INTCS_LINK_UP |\
  49                                                 KSZPHY_INTCS_LINK_DOWN)
  50
  51 /* PHY Control 1 */
  52 #define MII_KSZPHY_CTRL_1                       0x1e
  53
  54 /* PHY Control 2 / PHY Control (if no PHY Control 1) */
  55 #define MII_KSZPHY_CTRL_2                       0x1f
  56 #define MII_KSZPHY_CTRL                         MII_KSZPHY_CTRL_2
  57 /* bitmap of PHY register to set interrupt mode */
  58 #define KSZPHY_CTRL_INT_ACTIVE_HIGH             BIT(9)
  59 #define KSZPHY_RMII_REF_CLK_SEL                 BIT(7)
  60
  61 /* Write/read to/from extended registers */
  62 #define MII_KSZPHY_EXTREG                       0x0b
  63 #define KSZPHY_EXTREG_WRITE                     0x8000
  64
  65 #define MII_KSZPHY_EXTREG_WRITE                 0x0c
  66 #define MII_KSZPHY_EXTREG_READ                  0x0d
  67
  68 /* Extended registers */
  69 #define MII_KSZPHY_CLK_CONTROL_PAD_SKEW         0x104
  70 #define MII_KSZPHY_RX_DATA_PAD_SKEW             0x105
  71 #define MII_KSZPHY_TX_DATA_PAD_SKEW             0x106
  72
  73 #define PS_TO_REG                               200
  74
  75 struct kszphy_type {
  76         u32 led_mode_reg;
  77         u16 interrupt_level_mask;
  78         bool has_broadcast_disable;
  79         bool has_rmii_ref_clk_sel;
  80 };
  81
  82 struct kszphy_priv {
  83         const struct kszphy_type *type;
  84         int led_mode;
  85         bool rmii_ref_clk_sel;
  86         bool rmii_ref_clk_sel_val;
  87 };
  88
  89 static const struct kszphy_type ksz8021_type = {
  90         .led_mode_reg           = MII_KSZPHY_CTRL_2,
  91         .has_rmii_ref_clk_sel   = true,
  92 };
  93
  94 static const struct kszphy_type ksz8041_type = {
  95         .led_mode_reg           = MII_KSZPHY_CTRL_1,
  96 };
  97
  98 static const struct kszphy_type ksz8051_type = {
  99         .led_mode_reg           = MII_KSZPHY_CTRL_2,
 100 };
 101
 102 static const struct kszphy_type ksz8081_type = {
 103         .led_mode_reg           = MII_KSZPHY_CTRL_2,
 104         .has_broadcast_disable  = true,
 105         .has_rmii_ref_clk_sel   = true,
 106 };
 107
 108 static const struct kszphy_type ks8737_type = {
 109         .interrupt_level_mask   = BIT(14),
 110 };
 111
 112 static const struct kszphy_type ksz9021_type = {
 113         .interrupt_level_mask   = BIT(14),
 114 };
 115
 116 static int kszphy_extended_write(struct phy_device *phydev,
 117                                 u32 regnum, u16 val)
 118 {
 119         phy_write(phydev, MII_KSZPHY_EXTREG, KSZPHY_EXTREG_WRITE | regnum);
 120         return phy_write(phydev, MII_KSZPHY_EXTREG_WRITE, val);
 121 }
 122
 123 static int kszphy_extended_read(struct phy_device *phydev,
 124                                 u32 regnum)
 125 {
 126         phy_write(phydev, MII_KSZPHY_EXTREG, regnum);
 127         return phy_read(phydev, MII_KSZPHY_EXTREG_READ);
 128 }
 129
 130 static int kszphy_ack_interrupt(struct phy_device *phydev)
 131 {
 132         /* bit[7..0] int status, which is a read and clear register. */
 133         int rc;
 134
 135         rc = phy_read(phydev, MII_KSZPHY_INTCS);
 136
 137         return (rc < 0) ? rc : 0;
 138 }
 139
 140 static int kszphy_config_intr(struct phy_device *phydev)
 141 {
 142         const struct kszphy_type *type = phydev->drv->driver_data;
 143         int temp;
 144         u16 mask;
 145
 146         if (type && type->interrupt_level_mask)
 147                 mask = type->interrupt_level_mask;
 148         else
 149                 mask = KSZPHY_CTRL_INT_ACTIVE_HIGH;
 150
 151         /* set the interrupt pin active low */
 152         temp = phy_read(phydev, MII_KSZPHY_CTRL);
 153         if (temp < 0)
 154                 return temp;
 155         temp &= ~mask;
 156         phy_write(phydev, MII_KSZPHY_CTRL, temp);
 157
 158         /* enable / disable interrupts */
 159         if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 160                 temp = KSZPHY_INTCS_ALL;
 161         else
 162                 temp = 0;
 163
 164         return phy_write(phydev, MII_KSZPHY_INTCS, temp);
 165 }
 166
 167 static int kszphy_rmii_clk_sel(struct phy_device *phydev, bool val)
 168 {
 169         int ctrl;
 170
 171         ctrl = phy_read(phydev, MII_KSZPHY_CTRL);
 172         if (ctrl < 0)
 173                 return ctrl;
 174
 175         if (val)
 176                 ctrl |= KSZPHY_RMII_REF_CLK_SEL;
 177         else
 178                 ctrl &= ~KSZPHY_RMII_REF_CLK_SEL;
 179
 180         return phy_write(phydev, MII_KSZPHY_CTRL, ctrl);
 181 }
 182
 183 static int kszphy_setup_led(struct phy_device *phydev, u32 reg, int val)
 184 {
 185         int rc, temp, shift;
 186
 187         switch (reg) {
 188         case MII_KSZPHY_CTRL_1:
 189                 shift = 14;
 190                 break;
 191         case MII_KSZPHY_CTRL_2:
 192                 shift = 4;
 193                 break;
 194         default:
 195                 return -EINVAL;
 196         }
 197
 198         temp = phy_read(phydev, reg);
 199         if (temp < 0) {
 200                 rc = temp;
 201                 goto out;
 202         }
 203
 204         temp &= ~(3 << shift);
 205         temp |= val << shift;
 206         rc = phy_write(phydev, reg, temp);
 207 out:
 208         if (rc < 0)
 209                 dev_err(&phydev->dev, "failed to set led mode\n");
 210
 211         return rc;
 212 }
 213
 214 /* Disable PHY address 0 as the broadcast address, so that it can be used as a
 215  * unique (non-broadcast) address on a shared bus.
 216  */
 217 static int kszphy_broadcast_disable(struct phy_device *phydev)
 218 {
 219         int ret;
 220
 221         ret = phy_read(phydev, MII_KSZPHY_OMSO);
 222         if (ret < 0)
 223                 goto out;
 224
 225         ret = phy_write(phydev, MII_KSZPHY_OMSO, ret | KSZPHY_OMSO_B_CAST_OFF);
 226 out:
 227         if (ret)
 228                 dev_err(&phydev->dev, "failed to disable broadcast address\n");
 229
 230         return ret;
 231 }
 232
 233 static int kszphy_config_init(struct phy_device *phydev)
 234 {
 235         struct kszphy_priv *priv = phydev->priv;
 236         const struct kszphy_type *type;
 237         int ret;
 238
 239         if (!priv)
 240                 return 0;
 241
 242         type = priv->type;
 243
 244         if (type->has_broadcast_disable)
 245                 kszphy_broadcast_disable(phydev);
 246
 247         if (priv->rmii_ref_clk_sel) {
 248                 ret = kszphy_rmii_clk_sel(phydev, priv->rmii_ref_clk_sel_val);
 249                 if (ret) {
 250                         dev_err(&phydev->dev, "failed to set rmii reference clock\n");
 251                         return ret;
 252                 }
 253         }
 254
 255         if (priv->led_mode >= 0)
 256                 kszphy_setup_led(phydev, type->led_mode_reg, priv->led_mode);
 257
 258         return 0;
 259 }
 260
 261 static int ksz8021_config_init(struct phy_device *phydev)
 262 {
 263         int rc;
 264
 265         rc = kszphy_config_init(phydev);
 266         if (rc)
 267                 return rc;
 268
 269         rc = kszphy_broadcast_disable(phydev);
 270
 271         return rc < 0 ? rc : 0;
 272 }
 273
 274 static int ksz9021_load_values_from_of(struct phy_device *phydev,
 275                                        struct device_node *of_node, u16 reg,
 276                                        char *field1, char *field2,
 277                                        char *field3, char *field4)
 278 {
 279         int val1 = -1;
 280         int val2 = -2;
 281         int val3 = -3;
 282         int val4 = -4;
 283         int newval;
 284         int matches = 0;
 285
 286         if (!of_property_read_u32(of_node, field1, &val1))
 287                 matches++;
 288
 289         if (!of_property_read_u32(of_node, field2, &val2))
 290                 matches++;
 291
 292         if (!of_property_read_u32(of_node, field3, &val3))
 293                 matches++;
 294
 295         if (!of_property_read_u32(of_node, field4, &val4))
 296                 matches++;
 297
 298         if (!matches)
 299                 return 0;
 300
 301         if (matches < 4)
 302                 newval = kszphy_extended_read(phydev, reg);
 303         else
 304                 newval = 0;
 305
 306         if (val1 != -1)
 307                 newval = ((newval & 0xfff0) | ((val1 / PS_TO_REG) & 0xf) << 0);
 308
 309         if (val2 != -2)
 310                 newval = ((newval & 0xff0f) | ((val2 / PS_TO_REG) & 0xf) << 4);
 311
 312         if (val3 != -3)
 313                 newval = ((newval & 0xf0ff) | ((val3 / PS_TO_REG) & 0xf) << 8);
 314
 315         if (val4 != -4)
 316                 newval = ((newval & 0x0fff) | ((val4 / PS_TO_REG) & 0xf) << 12);
 317
 318         return kszphy_extended_write(phydev, reg, newval);
 319 }
 320
 321 static int ksz9021_config_init(struct phy_device *phydev)
 322 {
 323         struct device *dev = &phydev->dev;
 324         struct device_node *of_node = dev->of_node;
 325
 326         if (!of_node && dev->parent->of_node)
 327                 of_node = dev->parent->of_node;
 328
 329         if (of_node) {
 330                 ksz9021_load_values_from_of(phydev, of_node,
 331                                     MII_KSZPHY_CLK_CONTROL_PAD_SKEW,
 332                                     "txen-skew-ps", "txc-skew-ps",
 333                                     "rxdv-skew-ps", "rxc-skew-ps");
 334                 ksz9021_load_values_from_of(phydev, of_node,
 335                                     MII_KSZPHY_RX_DATA_PAD_SKEW,
 336                                     "rxd0-skew-ps", "rxd1-skew-ps",
 337                                     "rxd2-skew-ps", "rxd3-skew-ps");
 338                 ksz9021_load_values_from_of(phydev, of_node,
 339                                     MII_KSZPHY_TX_DATA_PAD_SKEW,
 340                                     "txd0-skew-ps", "txd1-skew-ps",
 341                                     "txd2-skew-ps", "txd3-skew-ps");
 342         }
 343         return 0;
 344 }
 345
 346 #define MII_KSZ9031RN_MMD_CTRL_REG      0x0d
 347 #define MII_KSZ9031RN_MMD_REGDATA_REG   0x0e
 348 #define OP_DATA                         1
 349 #define KSZ9031_PS_TO_REG               60
 350
 351 /* Extended registers */
 352 #define MII_KSZ9031RN_CONTROL_PAD_SKEW  4
 353 #define MII_KSZ9031RN_RX_DATA_PAD_SKEW  5
 354 #define MII_KSZ9031RN_TX_DATA_PAD_SKEW  6
 355 #define MII_KSZ9031RN_CLK_PAD_SKEW      8
 356
 357 static int ksz9031_extended_write(struct phy_device *phydev,
 358                                   u8 mode, u32 dev_addr, u32 regnum, u16 val)
 359 {
 360         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
 361         phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
 362         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
 363         return phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, val);
 364 }
 365
 366 static int ksz9031_extended_read(struct phy_device *phydev,
 367                                  u8 mode, u32 dev_addr, u32 regnum)
 368 {
 369         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
 370         phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
 371         phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
 372         return phy_read(phydev, MII_KSZ9031RN_MMD_REGDATA_REG);
 373 }
 374
 375 static int ksz9031_of_load_skew_values(struct phy_device *phydev,
 376                                        struct device_node *of_node,
 377                                        u16 reg, size_t field_sz,
 378                                        char *field[], u8 numfields)
 379 {
 380         int val[4] = {-1, -2, -3, -4};
 381         int matches = 0;
 382         u16 mask;
 383         u16 maxval;
 384         u16 newval;
 385         int i;
 386
 387         for (i = 0; i < numfields; i++)
 388                 if (!of_property_read_u32(of_node, field[i], val + i))
 389                         matches++;
 390
 391         if (!matches)
 392                 return 0;
 393
 394         if (matches < numfields)
 395                 newval = ksz9031_extended_read(phydev, OP_DATA, 2, reg);
 396         else
 397                 newval = 0;
 398
 399         maxval = (field_sz == 4) ? 0xf : 0x1f;
 400         for (i = 0; i < numfields; i++)
 401                 if (val[i] != -(i + 1)) {
 402                         mask = 0xffff;
 403                         mask ^= maxval << (field_sz * i);
 404                         newval = (newval & mask) |
 405                                 (((val[i] / KSZ9031_PS_TO_REG) & maxval)
 406                                         << (field_sz * i));
 407                 }
 408
 409         return ksz9031_extended_write(phydev, OP_DATA, 2, reg, newval);
 410 }
 411
 412 static int ksz9031_config_init(struct phy_device *phydev)
 413 {
 414         struct device *dev = &phydev->dev;
 415         struct device_node *of_node = dev->of_node;
 416         char *clk_skews[2] = {"rxc-skew-ps", "txc-skew-ps"};
 417         char *rx_data_skews[4] = {
 418                 "rxd0-skew-ps", "rxd1-skew-ps",
 419                 "rxd2-skew-ps", "rxd3-skew-ps"
 420         };
 421         char *tx_data_skews[4] = {
 422                 "txd0-skew-ps", "txd1-skew-ps",
 423                 "txd2-skew-ps", "txd3-skew-ps"
 424         };
 425         char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"};
 426
 427         if (!of_node && dev->parent->of_node)
 428                 of_node = dev->parent->of_node;
 429
 430         if (of_node) {
 431                 ksz9031_of_load_skew_values(phydev, of_node,
 432                                 MII_KSZ9031RN_CLK_PAD_SKEW, 5,
 433                                 clk_skews, 2);
 434
 435                 ksz9031_of_load_skew_values(phydev, of_node,
 436                                 MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
 437                                 control_skews, 2);
 438
 439                 ksz9031_of_load_skew_values(phydev, of_node,
 440                                 MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
 441                                 rx_data_skews, 4);
 442
 443                 ksz9031_of_load_skew_values(phydev, of_node,
 444                                 MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
 445                                 tx_data_skews, 4);
 446         }
 447         return 0;
 448 }
 449
 450 #define KSZ8873MLL_GLOBAL_CONTROL_4     0x06
 451 #define KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX      BIT(6)
 452 #define KSZ8873MLL_GLOBAL_CONTROL_4_SPEED       BIT(4)
 453 static int ksz8873mll_read_status(struct phy_device *phydev)
 454 {
 455         int regval;
 456
 457         /* dummy read */
 458         regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
 459
 460         regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
 461
 462         if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX)
 463                 phydev->duplex = DUPLEX_HALF;
 464         else
 465                 phydev->duplex = DUPLEX_FULL;
 466
 467         if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_SPEED)
 468                 phydev->speed = SPEED_10;
 469         else
 470                 phydev->speed = SPEED_100;
 471
 472         phydev->link = 1;
 473         phydev->pause = phydev->asym_pause = 0;
 474
 475         return 0;
 476 }
 477
 478 static int ksz8873mll_config_aneg(struct phy_device *phydev)
 479 {
 480         return 0;
 481 }
 482
 483 /* This routine returns -1 as an indication to the caller that the
 484  * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE
 485  * MMD extended PHY registers.
 486  */
 487 static int
 488 ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
 489                       int regnum)
 490 {
 491         return -1;
 492 }
 493
 494 /* This routine does nothing since the Micrel ksz9021 does not support
 495  * standard IEEE MMD extended PHY registers.
 496  */
 497 static void
 498 ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
 499                       int regnum, u32 val)
 500 {
 501 }
 502
 503 static int kszphy_probe(struct phy_device *phydev)
 504 {
 505         const struct kszphy_type *type = phydev->drv->driver_data;
 506         struct device_node *np = phydev->dev.of_node;
 507         struct kszphy_priv *priv;
 508         struct clk *clk;
 509         int ret;
 510
 511         priv = devm_kzalloc(&phydev->dev, sizeof(*priv), GFP_KERNEL);
 512         if (!priv)
 513                 return -ENOMEM;
 514
 515         phydev->priv = priv;
 516
 517         priv->type = type;
 518
 519         if (type->led_mode_reg) {
 520                 ret = of_property_read_u32(np, "micrel,led-mode",
 521                                 &priv->led_mode);
 522                 if (ret)
 523                         priv->led_mode = -1;
 524
 525                 if (priv->led_mode > 3) {
 526                         dev_err(&phydev->dev, "invalid led mode: 0x%02x\n",
 527                                         priv->led_mode);
 528                         priv->led_mode = -1;
 529                 }
 530         } else {
 531                 priv->led_mode = -1;
 532         }
 533
 534         clk = devm_clk_get(&phydev->dev, "rmii-ref");
 535         if (!IS_ERR(clk)) {
 536                 unsigned long rate = clk_get_rate(clk);
 537                 bool rmii_ref_clk_sel_25_mhz;
 538
 539                 priv->rmii_ref_clk_sel = type->has_rmii_ref_clk_sel;
 540                 rmii_ref_clk_sel_25_mhz = of_property_read_bool(np,
 541                                 "micrel,rmii-reference-clock-select-25-mhz");
 542
 543                 if (rate > 24500000 && rate < 25500000) {
 544                         priv->rmii_ref_clk_sel_val = rmii_ref_clk_sel_25_mhz;
 545                 } else if (rate > 49500000 && rate < 50500000) {
 546                         priv->rmii_ref_clk_sel_val = !rmii_ref_clk_sel_25_mhz;
 547                 } else {
 548                         dev_err(&phydev->dev, "Clock rate out of range: %ld\n", rate);
 549                         return -EINVAL;
 550                 }
 551         }
 552
 553         /* Support legacy board-file configuration */
 554         if (phydev->dev_flags & MICREL_PHY_50MHZ_CLK) {
 555                 priv->rmii_ref_clk_sel = true;
 556                 priv->rmii_ref_clk_sel_val = true;
 557         }
 558
 559         return 0;
 560 }
 561
 562 static struct phy_driver ksphy_driver[] = {
 563 {
 564         .phy_id         = PHY_ID_KS8737,
 565         .phy_id_mask    = 0x00fffff0,
 566         .name           = "Micrel KS8737",
 567         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 568         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 569         .driver_data    = &ks8737_type,
 570         .config_init    = kszphy_config_init,
 571         .config_aneg    = genphy_config_aneg,
 572         .read_status    = genphy_read_status,
 573         .ack_interrupt  = kszphy_ack_interrupt,
 574         .config_intr    = kszphy_config_intr,
 575         .suspend        = genphy_suspend,
 576         .resume         = genphy_resume,
 577         .driver         = { .owner = THIS_MODULE,},
 578 }, {
 579         .phy_id         = PHY_ID_KSZ8021,
 580         .phy_id_mask    = 0x00ffffff,
 581         .name           = "Micrel KSZ8021 or KSZ8031",
 582         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
 583                            SUPPORTED_Asym_Pause),
 584         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 585         .driver_data    = &ksz8021_type,
 586         .probe          = kszphy_probe,
 587         .config_init    = ksz8021_config_init,
 588         .config_aneg    = genphy_config_aneg,
 589         .read_status    = genphy_read_status,
 590         .ack_interrupt  = kszphy_ack_interrupt,
 591         .config_intr    = kszphy_config_intr,
 592         .suspend        = genphy_suspend,
 593         .resume         = genphy_resume,
 594         .driver         = { .owner = THIS_MODULE,},
 595 }, {
 596         .phy_id         = PHY_ID_KSZ8031,
 597         .phy_id_mask    = 0x00ffffff,
 598         .name           = "Micrel KSZ8031",
 599         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
 600                            SUPPORTED_Asym_Pause),
 601         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 602         .driver_data    = &ksz8021_type,
 603         .probe          = kszphy_probe,
 604         .config_init    = ksz8021_config_init,
 605         .config_aneg    = genphy_config_aneg,
 606         .read_status    = genphy_read_status,
 607         .ack_interrupt  = kszphy_ack_interrupt,
 608         .config_intr    = kszphy_config_intr,
 609         .suspend        = genphy_suspend,
 610         .resume         = genphy_resume,
 611         .driver         = { .owner = THIS_MODULE,},
 612 }, {
 613         .phy_id         = PHY_ID_KSZ8041,
 614         .phy_id_mask    = 0x00fffff0,
 615         .name           = "Micrel KSZ8041",
 616         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
 617                                 | SUPPORTED_Asym_Pause),
 618         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 619         .driver_data    = &ksz8041_type,
 620         .probe          = kszphy_probe,
 621         .config_init    = kszphy_config_init,
 622         .config_aneg    = genphy_config_aneg,
 623         .read_status    = genphy_read_status,
 624         .ack_interrupt  = kszphy_ack_interrupt,
 625         .config_intr    = kszphy_config_intr,
 626         .suspend        = genphy_suspend,
 627         .resume         = genphy_resume,
 628         .driver         = { .owner = THIS_MODULE,},
 629 }, {
 630         .phy_id         = PHY_ID_KSZ8041RNLI,
 631         .phy_id_mask    = 0x00fffff0,
 632         .name           = "Micrel KSZ8041RNLI",
 633         .features       = PHY_BASIC_FEATURES |
 634                           SUPPORTED_Pause | SUPPORTED_Asym_Pause,
 635         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 636         .driver_data    = &ksz8041_type,
 637         .probe          = kszphy_probe,
 638         .config_init    = kszphy_config_init,
 639         .config_aneg    = genphy_config_aneg,
 640         .read_status    = genphy_read_status,
 641         .ack_interrupt  = kszphy_ack_interrupt,
 642         .config_intr    = kszphy_config_intr,
 643         .suspend        = genphy_suspend,
 644         .resume         = genphy_resume,
 645         .driver         = { .owner = THIS_MODULE,},
 646 }, {
 647         .phy_id         = PHY_ID_KSZ8051,
 648         .phy_id_mask    = 0x00fffff0,
 649         .name           = "Micrel KSZ8051",
 650         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
 651                                 | SUPPORTED_Asym_Pause),
 652         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 653         .driver_data    = &ksz8051_type,
 654         .probe          = kszphy_probe,
 655         .config_init    = kszphy_config_init,
 656         .config_aneg    = genphy_config_aneg,
 657         .read_status    = genphy_read_status,
 658         .ack_interrupt  = kszphy_ack_interrupt,
 659         .config_intr    = kszphy_config_intr,
 660         .suspend        = genphy_suspend,
 661         .resume         = genphy_resume,
 662         .driver         = { .owner = THIS_MODULE,},
 663 }, {
 664         .phy_id         = PHY_ID_KSZ8001,
 665         .name           = "Micrel KSZ8001 or KS8721",
 666         .phy_id_mask    = 0x00ffffff,
 667         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 668         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 669         .driver_data    = &ksz8041_type,
 670         .probe          = kszphy_probe,
 671         .config_init    = kszphy_config_init,
 672         .config_aneg    = genphy_config_aneg,
 673         .read_status    = genphy_read_status,
 674         .ack_interrupt  = kszphy_ack_interrupt,
 675         .config_intr    = kszphy_config_intr,
 676         .suspend        = genphy_suspend,
 677         .resume         = genphy_resume,
 678         .driver         = { .owner = THIS_MODULE,},
 679 }, {
 680         .phy_id         = PHY_ID_KSZ8081,
 681         .name           = "Micrel KSZ8081 or KSZ8091",
 682         .phy_id_mask    = 0x00fffff0,
 683         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 684         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 685         .driver_data    = &ksz8081_type,
 686         .probe          = kszphy_probe,
 687         .config_init    = kszphy_config_init,
 688         .config_aneg    = genphy_config_aneg,
 689         .read_status    = genphy_read_status,
 690         .ack_interrupt  = kszphy_ack_interrupt,
 691         .config_intr    = kszphy_config_intr,
 692         .suspend        = genphy_suspend,
 693         .resume         = genphy_resume,
 694         .driver         = { .owner = THIS_MODULE,},
 695 }, {
 696         .phy_id         = PHY_ID_KSZ8061,
 697         .name           = "Micrel KSZ8061",
 698         .phy_id_mask    = 0x00fffff0,
 699         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 700         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 701         .config_init    = kszphy_config_init,
 702         .config_aneg    = genphy_config_aneg,
 703         .read_status    = genphy_read_status,
 704         .ack_interrupt  = kszphy_ack_interrupt,
 705         .config_intr    = kszphy_config_intr,
 706         .suspend        = genphy_suspend,
 707         .resume         = genphy_resume,
 708         .driver         = { .owner = THIS_MODULE,},
 709 }, {
 710         .phy_id         = PHY_ID_KSZ9021,
 711         .phy_id_mask    = 0x000ffffe,
 712         .name           = "Micrel KSZ9021 Gigabit PHY",
 713         .features       = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
 714         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 715         .driver_data    = &ksz9021_type,
 716         .config_init    = ksz9021_config_init,
 717         .config_aneg    = genphy_config_aneg,
 718         .read_status    = genphy_read_status,
 719         .ack_interrupt  = kszphy_ack_interrupt,
 720         .config_intr    = kszphy_config_intr,
 721         .suspend        = genphy_suspend,
 722         .resume         = genphy_resume,
 723         .read_mmd_indirect = ksz9021_rd_mmd_phyreg,
 724         .write_mmd_indirect = ksz9021_wr_mmd_phyreg,
 725         .driver         = { .owner = THIS_MODULE, },
 726 }, {
 727         .phy_id         = PHY_ID_KSZ9031,
 728         .phy_id_mask    = 0x00fffff0,
 729         .name           = "Micrel KSZ9031 Gigabit PHY",
 730         .features       = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
 731         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 732         .driver_data    = &ksz9021_type,
 733         .config_init    = ksz9031_config_init,
 734         .config_aneg    = genphy_config_aneg,
 735         .read_status    = genphy_read_status,
 736         .ack_interrupt  = kszphy_ack_interrupt,
 737         .config_intr    = kszphy_config_intr,
 738         .suspend        = genphy_suspend,
 739         .resume         = genphy_resume,
 740         .driver         = { .owner = THIS_MODULE, },
 741 }, {
 742         .phy_id         = PHY_ID_KSZ8873MLL,
 743         .phy_id_mask    = 0x00fffff0,
 744         .name           = "Micrel KSZ8873MLL Switch",
 745         .features       = (SUPPORTED_Pause | SUPPORTED_Asym_Pause),
 746         .flags          = PHY_HAS_MAGICANEG,
 747         .config_init    = kszphy_config_init,
 748         .config_aneg    = ksz8873mll_config_aneg,
 749         .read_status    = ksz8873mll_read_status,
 750         .suspend        = genphy_suspend,
 751         .resume         = genphy_resume,
 752         .driver         = { .owner = THIS_MODULE, },
 753 }, {
 754         .phy_id         = PHY_ID_KSZ886X,
 755         .phy_id_mask    = 0x00fffff0,
 756         .name           = "Micrel KSZ886X Switch",
 757         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 758         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
 759         .config_init    = kszphy_config_init,
 760         .config_aneg    = genphy_config_aneg,
 761         .read_status    = genphy_read_status,
 762         .suspend        = genphy_suspend,
 763         .resume         = genphy_resume,
 764         .driver         = { .owner = THIS_MODULE, },
 765 } };
 766
 767 module_phy_driver(ksphy_driver);
 768
 769 MODULE_DESCRIPTION("Micrel PHY driver");
 770 MODULE_AUTHOR("David J. Choi");
 771 MODULE_LICENSE("GPL");
 772
 773 static struct mdio_device_id __maybe_unused micrel_tbl[] = {
 774         { PHY_ID_KSZ9021, 0x000ffffe },
 775         { PHY_ID_KSZ9031, 0x00fffff0 },
 776         { PHY_ID_KSZ8001, 0x00ffffff },
 777         { PHY_ID_KS8737, 0x00fffff0 },
 778         { PHY_ID_KSZ8021, 0x00ffffff },
 779         { PHY_ID_KSZ8031, 0x00ffffff },
 780         { PHY_ID_KSZ8041, 0x00fffff0 },
 781         { PHY_ID_KSZ8051, 0x00fffff0 },
 782         { PHY_ID_KSZ8061, 0x00fffff0 },
 783         { PHY_ID_KSZ8081, 0x00fffff0 },
 784         { PHY_ID_KSZ8873MLL, 0x00fffff0 },
 785         { PHY_ID_KSZ886X, 0x00fffff0 },
 786         { }
 787 };
 788
 789 MODULE_DEVICE_TABLE(mdio, micrel_tbl);