drivers/i2c/designware_i2c.c

   1 /*
   2  * (C) Copyright 2009
   3  * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <i2c.h>
  11 #include <pci.h>
  12 #include <asm/io.h>
  13 #include "designware_i2c.h"
  14
  15 struct dw_scl_sda_cfg {
  16         u32 ss_hcnt;
  17         u32 fs_hcnt;
  18         u32 ss_lcnt;
  19         u32 fs_lcnt;
  20         u32 sda_hold;
  21 };
  22
  23 #ifdef CONFIG_X86
  24 /* BayTrail HCNT/LCNT/SDA hold time */
  25 static struct dw_scl_sda_cfg byt_config = {
  26         .ss_hcnt = 0x200,
  27         .fs_hcnt = 0x55,
  28         .ss_lcnt = 0x200,
  29         .fs_lcnt = 0x99,
  30         .sda_hold = 0x6,
  31 };
  32 #endif
  33
  34 struct dw_i2c {
  35         struct i2c_regs *regs;
  36         struct dw_scl_sda_cfg *scl_sda_cfg;
  37 };
  38
  39 #ifdef CONFIG_SYS_I2C_DW_ENABLE_STATUS_UNSUPPORTED
  40 static void dw_i2c_enable(struct i2c_regs *i2c_base, bool enable)
  41 {
  42         u32 ena = enable ? IC_ENABLE_0B : 0;
  43
  44         writel(ena, &i2c_base->ic_enable);
  45 }
  46 #else
  47 static void dw_i2c_enable(struct i2c_regs *i2c_base, bool enable)
  48 {
  49         u32 ena = enable ? IC_ENABLE_0B : 0;
  50         int timeout = 100;
  51
  52         do {
  53                 writel(ena, &i2c_base->ic_enable);
  54                 if ((readl(&i2c_base->ic_enable_status) & IC_ENABLE_0B) == ena)
  55                         return;
  56
  57                 /*
  58                  * Wait 10 times the signaling period of the highest I2C
  59                  * transfer supported by the driver (for 400KHz this is
  60                  * 25us) as described in the DesignWare I2C databook.
  61                  */
  62                 udelay(25);
  63         } while (timeout--);
  64
  65         printf("timeout in %sabling I2C adapter\n", enable ? "en" : "dis");
  66 }
  67 #endif
  68
  69 /*
  70  * i2c_set_bus_speed - Set the i2c speed
  71  * @speed:      required i2c speed
  72  *
  73  * Set the i2c speed.
  74  */
  75 static unsigned int __dw_i2c_set_bus_speed(struct i2c_regs *i2c_base,
  76                                            struct dw_scl_sda_cfg *scl_sda_cfg,
  77                                            unsigned int speed)
  78 {
  79         unsigned int cntl;
  80         unsigned int hcnt, lcnt;
  81         int i2c_spd;
  82
  83         if (speed >= I2C_MAX_SPEED)
  84                 i2c_spd = IC_SPEED_MODE_MAX;
  85         else if (speed >= I2C_FAST_SPEED)
  86                 i2c_spd = IC_SPEED_MODE_FAST;
  87         else
  88                 i2c_spd = IC_SPEED_MODE_STANDARD;
  89
  90         /* to set speed cltr must be disabled */
  91         dw_i2c_enable(i2c_base, false);
  92
  93         cntl = (readl(&i2c_base->ic_con) & (~IC_CON_SPD_MSK));
  94
  95         switch (i2c_spd) {
  96 #ifndef CONFIG_X86 /* No High-speed for BayTrail yet */
  97         case IC_SPEED_MODE_MAX:
  98                 cntl |= IC_CON_SPD_SS;
  99                 if (scl_sda_cfg) {
 100                         hcnt = scl_sda_cfg->fs_hcnt;
 101                         lcnt = scl_sda_cfg->fs_lcnt;
 102                 } else {
 103                         hcnt = (IC_CLK * MIN_HS_SCL_HIGHTIME) / NANO_TO_MICRO;
 104                         lcnt = (IC_CLK * MIN_HS_SCL_LOWTIME) / NANO_TO_MICRO;
 105                 }
 106                 writel(hcnt, &i2c_base->ic_hs_scl_hcnt);
 107                 writel(lcnt, &i2c_base->ic_hs_scl_lcnt);
 108                 break;
 109 #endif
 110
 111         case IC_SPEED_MODE_STANDARD:
 112                 cntl |= IC_CON_SPD_SS;
 113                 if (scl_sda_cfg) {
 114                         hcnt = scl_sda_cfg->ss_hcnt;
 115                         lcnt = scl_sda_cfg->ss_lcnt;
 116                 } else {
 117                         hcnt = (IC_CLK * MIN_SS_SCL_HIGHTIME) / NANO_TO_MICRO;
 118                         lcnt = (IC_CLK * MIN_SS_SCL_LOWTIME) / NANO_TO_MICRO;
 119                 }
 120                 writel(hcnt, &i2c_base->ic_ss_scl_hcnt);
 121                 writel(lcnt, &i2c_base->ic_ss_scl_lcnt);
 122                 break;
 123
 124         case IC_SPEED_MODE_FAST:
 125         default:
 126                 cntl |= IC_CON_SPD_FS;
 127                 if (scl_sda_cfg) {
 128                         hcnt = scl_sda_cfg->fs_hcnt;
 129                         lcnt = scl_sda_cfg->fs_lcnt;
 130                 } else {
 131                         hcnt = (IC_CLK * MIN_FS_SCL_HIGHTIME) / NANO_TO_MICRO;
 132                         lcnt = (IC_CLK * MIN_FS_SCL_LOWTIME) / NANO_TO_MICRO;
 133                 }
 134                 writel(hcnt, &i2c_base->ic_fs_scl_hcnt);
 135                 writel(lcnt, &i2c_base->ic_fs_scl_lcnt);
 136                 break;
 137         }
 138
 139         writel(cntl, &i2c_base->ic_con);
 140
 141         /* Configure SDA Hold Time if required */
 142         if (scl_sda_cfg)
 143                 writel(scl_sda_cfg->sda_hold, &i2c_base->ic_sda_hold);
 144
 145         /* Enable back i2c now speed set */
 146         dw_i2c_enable(i2c_base, true);
 147
 148         return 0;
 149 }
 150
 151 /*
 152  * i2c_setaddress - Sets the target slave address
 153  * @i2c_addr:   target i2c address
 154  *
 155  * Sets the target slave address.
 156  */
 157 static void i2c_setaddress(struct i2c_regs *i2c_base, unsigned int i2c_addr)
 158 {
 159         /* Disable i2c */
 160         dw_i2c_enable(i2c_base, false);
 161
 162         writel(i2c_addr, &i2c_base->ic_tar);
 163
 164         /* Enable i2c */
 165         dw_i2c_enable(i2c_base, true);
 166 }
 167
 168 /*
 169  * i2c_flush_rxfifo - Flushes the i2c RX FIFO
 170  *
 171  * Flushes the i2c RX FIFO
 172  */
 173 static void i2c_flush_rxfifo(struct i2c_regs *i2c_base)
 174 {
 175         while (readl(&i2c_base->ic_status) & IC_STATUS_RFNE)
 176                 readl(&i2c_base->ic_cmd_data);
 177 }
 178
 179 /*
 180  * i2c_wait_for_bb - Waits for bus busy
 181  *
 182  * Waits for bus busy
 183  */
 184 static int i2c_wait_for_bb(struct i2c_regs *i2c_base)
 185 {
 186         unsigned long start_time_bb = get_timer(0);
 187
 188         while ((readl(&i2c_base->ic_status) & IC_STATUS_MA) ||
 189                !(readl(&i2c_base->ic_status) & IC_STATUS_TFE)) {
 190
 191                 /* Evaluate timeout */
 192                 if (get_timer(start_time_bb) > (unsigned long)(I2C_BYTE_TO_BB))
 193                         return 1;
 194         }
 195
 196         return 0;
 197 }
 198
 199 static int i2c_xfer_init(struct i2c_regs *i2c_base, uchar chip, uint addr,
 200                          int alen)
 201 {
 202         if (i2c_wait_for_bb(i2c_base))
 203                 return 1;
 204
 205         i2c_setaddress(i2c_base, chip);
 206         while (alen) {
 207                 alen--;
 208                 /* high byte address going out first */
 209                 writel((addr >> (alen * 8)) & 0xff,
 210                        &i2c_base->ic_cmd_data);
 211         }
 212         return 0;
 213 }
 214
 215 static int i2c_xfer_finish(struct i2c_regs *i2c_base)
 216 {
 217         ulong start_stop_det = get_timer(0);
 218
 219         while (1) {
 220                 if ((readl(&i2c_base->ic_raw_intr_stat) & IC_STOP_DET)) {
 221                         readl(&i2c_base->ic_clr_stop_det);
 222                         break;
 223                 } else if (get_timer(start_stop_det) > I2C_STOPDET_TO) {
 224                         break;
 225                 }
 226         }
 227
 228         if (i2c_wait_for_bb(i2c_base)) {
 229                 printf("Timed out waiting for bus\n");
 230                 return 1;
 231         }
 232
 233         i2c_flush_rxfifo(i2c_base);
 234
 235         return 0;
 236 }
 237
 238 /*
 239  * i2c_read - Read from i2c memory
 240  * @chip:       target i2c address
 241  * @addr:       address to read from
 242  * @alen:
 243  * @buffer:     buffer for read data
 244  * @len:        no of bytes to be read
 245  *
 246  * Read from i2c memory.
 247  */
 248 static int __dw_i2c_read(struct i2c_regs *i2c_base, u8 dev, uint addr,
 249                          int alen, u8 *buffer, int len)
 250 {
 251         unsigned long start_time_rx;
 252         unsigned int active = 0;
 253
 254 #ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
 255         /*
 256          * EEPROM chips that implement "address overflow" are ones
 257          * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
 258          * address and the extra bits end up in the "chip address"
 259          * bit slots. This makes a 24WC08 (1Kbyte) chip look like
 260          * four 256 byte chips.
 261          *
 262          * Note that we consider the length of the address field to
 263          * still be one byte because the extra address bits are
 264          * hidden in the chip address.
 265          */
 266         dev |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
 267         addr &= ~(CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW << (alen * 8));
 268
 269         debug("%s: fix addr_overflow: dev %02x addr %02x\n", __func__, dev,
 270               addr);
 271 #endif
 272
 273         if (i2c_xfer_init(i2c_base, dev, addr, alen))
 274                 return 1;
 275
 276         start_time_rx = get_timer(0);
 277         while (len) {
 278                 if (!active) {
 279                         /*
 280                          * Avoid writing to ic_cmd_data multiple times
 281                          * in case this loop spins too quickly and the
 282                          * ic_status RFNE bit isn't set after the first
 283                          * write. Subsequent writes to ic_cmd_data can
 284                          * trigger spurious i2c transfer.
 285                          */
 286                         if (len == 1)
 287                                 writel(IC_CMD | IC_STOP, &i2c_base->ic_cmd_data);
 288                         else
 289                                 writel(IC_CMD, &i2c_base->ic_cmd_data);
 290                         active = 1;
 291                 }
 292
 293                 if (readl(&i2c_base->ic_status) & IC_STATUS_RFNE) {
 294                         *buffer++ = (uchar)readl(&i2c_base->ic_cmd_data);
 295                         len--;
 296                         start_time_rx = get_timer(0);
 297                         active = 0;
 298                 } else if (get_timer(start_time_rx) > I2C_BYTE_TO) {
 299                         return 1;
 300                 }
 301         }
 302
 303         return i2c_xfer_finish(i2c_base);
 304 }
 305
 306 /*
 307  * i2c_write - Write to i2c memory
 308  * @chip:       target i2c address
 309  * @addr:       address to read from
 310  * @alen:
 311  * @buffer:     buffer for read data
 312  * @len:        no of bytes to be read
 313  *
 314  * Write to i2c memory.
 315  */
 316 static int __dw_i2c_write(struct i2c_regs *i2c_base, u8 dev, uint addr,
 317                           int alen, u8 *buffer, int len)
 318 {
 319         int nb = len;
 320         unsigned long start_time_tx;
 321
 322 #ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
 323         /*
 324          * EEPROM chips that implement "address overflow" are ones
 325          * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
 326          * address and the extra bits end up in the "chip address"
 327          * bit slots. This makes a 24WC08 (1Kbyte) chip look like
 328          * four 256 byte chips.
 329          *
 330          * Note that we consider the length of the address field to
 331          * still be one byte because the extra address bits are
 332          * hidden in the chip address.
 333          */
 334         dev |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
 335         addr &= ~(CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW << (alen * 8));
 336
 337         debug("%s: fix addr_overflow: dev %02x addr %02x\n", __func__, dev,
 338               addr);
 339 #endif
 340
 341         if (i2c_xfer_init(i2c_base, dev, addr, alen))
 342                 return 1;
 343
 344         start_time_tx = get_timer(0);
 345         while (len) {
 346                 if (readl(&i2c_base->ic_status) & IC_STATUS_TFNF) {
 347                         if (--len == 0) {
 348                                 writel(*buffer | IC_STOP,
 349                                        &i2c_base->ic_cmd_data);
 350                         } else {
 351                                 writel(*buffer, &i2c_base->ic_cmd_data);
 352                         }
 353                         buffer++;
 354                         start_time_tx = get_timer(0);
 355
 356                 } else if (get_timer(start_time_tx) > (nb * I2C_BYTE_TO)) {
 357                                 printf("Timed out. i2c write Failed\n");
 358                                 return 1;
 359                 }
 360         }
 361
 362         return i2c_xfer_finish(i2c_base);
 363 }
 364
 365 /*
 366  * __dw_i2c_init - Init function
 367  * @speed:      required i2c speed
 368  * @slaveaddr:  slave address for the device
 369  *
 370  * Initialization function.
 371  */
 372 static void __dw_i2c_init(struct i2c_regs *i2c_base, int speed, int slaveaddr)
 373 {
 374         /* Disable i2c */
 375         dw_i2c_enable(i2c_base, false);
 376
 377         writel(IC_CON_SD | IC_CON_RE | IC_CON_SPD_FS | IC_CON_MM,
 378                &i2c_base->ic_con);
 379         writel(IC_RX_TL, &i2c_base->ic_rx_tl);
 380         writel(IC_TX_TL, &i2c_base->ic_tx_tl);
 381         writel(IC_STOP_DET, &i2c_base->ic_intr_mask);
 382 #ifndef CONFIG_DM_I2C
 383         __dw_i2c_set_bus_speed(i2c_base, NULL, speed);
 384         writel(slaveaddr, &i2c_base->ic_sar);
 385 #endif
 386
 387         /* Enable i2c */
 388         dw_i2c_enable(i2c_base, true);
 389 }
 390
 391 #ifndef CONFIG_DM_I2C
 392 /*
 393  * The legacy I2C functions. These need to get removed once
 394  * all users of this driver are converted to DM.
 395  */
 396 static struct i2c_regs *i2c_get_base(struct i2c_adapter *adap)
 397 {
 398         switch (adap->hwadapnr) {
 399 #if CONFIG_SYS_I2C_BUS_MAX >= 4
 400         case 3:
 401                 return (struct i2c_regs *)CONFIG_SYS_I2C_BASE3;
 402 #endif
 403 #if CONFIG_SYS_I2C_BUS_MAX >= 3
 404         case 2:
 405                 return (struct i2c_regs *)CONFIG_SYS_I2C_BASE2;
 406 #endif
 407 #if CONFIG_SYS_I2C_BUS_MAX >= 2
 408         case 1:
 409                 return (struct i2c_regs *)CONFIG_SYS_I2C_BASE1;
 410 #endif
 411         case 0:
 412                 return (struct i2c_regs *)CONFIG_SYS_I2C_BASE;
 413         default:
 414                 printf("Wrong I2C-adapter number %d\n", adap->hwadapnr);
 415         }
 416
 417         return NULL;
 418 }
 419
 420 static unsigned int dw_i2c_set_bus_speed(struct i2c_adapter *adap,
 421                                          unsigned int speed)
 422 {
 423         adap->speed = speed;
 424         return __dw_i2c_set_bus_speed(i2c_get_base(adap), NULL, speed);
 425 }
 426
 427 static void dw_i2c_init(struct i2c_adapter *adap, int speed, int slaveaddr)
 428 {
 429         __dw_i2c_init(i2c_get_base(adap), speed, slaveaddr);
 430 }
 431
 432 static int dw_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
 433                        int alen, u8 *buffer, int len)
 434 {
 435         return __dw_i2c_read(i2c_get_base(adap), dev, addr, alen, buffer, len);
 436 }
 437
 438 static int dw_i2c_write(struct i2c_adapter *adap, u8 dev, uint addr,
 439                         int alen, u8 *buffer, int len)
 440 {
 441         return __dw_i2c_write(i2c_get_base(adap), dev, addr, alen, buffer, len);
 442 }
 443
 444 /* dw_i2c_probe - Probe the i2c chip */
 445 static int dw_i2c_probe(struct i2c_adapter *adap, u8 dev)
 446 {
 447         struct i2c_regs *i2c_base = i2c_get_base(adap);
 448         u32 tmp;
 449         int ret;
 450
 451         /*
 452          * Try to read the first location of the chip.
 453          */
 454         ret = __dw_i2c_read(i2c_base, dev, 0, 1, (uchar *)&tmp, 1);
 455         if (ret)
 456                 dw_i2c_init(adap, adap->speed, adap->slaveaddr);
 457
 458         return ret;
 459 }
 460
 461 U_BOOT_I2C_ADAP_COMPLETE(dw_0, dw_i2c_init, dw_i2c_probe, dw_i2c_read,
 462                          dw_i2c_write, dw_i2c_set_bus_speed,
 463                          CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 0)
 464
 465 #if CONFIG_SYS_I2C_BUS_MAX >= 2
 466 U_BOOT_I2C_ADAP_COMPLETE(dw_1, dw_i2c_init, dw_i2c_probe, dw_i2c_read,
 467                          dw_i2c_write, dw_i2c_set_bus_speed,
 468                          CONFIG_SYS_I2C_SPEED1, CONFIG_SYS_I2C_SLAVE1, 1)
 469 #endif
 470
 471 #if CONFIG_SYS_I2C_BUS_MAX >= 3
 472 U_BOOT_I2C_ADAP_COMPLETE(dw_2, dw_i2c_init, dw_i2c_probe, dw_i2c_read,
 473                          dw_i2c_write, dw_i2c_set_bus_speed,
 474                          CONFIG_SYS_I2C_SPEED2, CONFIG_SYS_I2C_SLAVE2, 2)
 475 #endif
 476
 477 #if CONFIG_SYS_I2C_BUS_MAX >= 4
 478 U_BOOT_I2C_ADAP_COMPLETE(dw_3, dw_i2c_init, dw_i2c_probe, dw_i2c_read,
 479                          dw_i2c_write, dw_i2c_set_bus_speed,
 480                          CONFIG_SYS_I2C_SPEED3, CONFIG_SYS_I2C_SLAVE3, 3)
 481 #endif
 482
 483 #else /* CONFIG_DM_I2C */
 484 /* The DM I2C functions */
 485
 486 static int designware_i2c_xfer(struct udevice *bus, struct i2c_msg *msg,
 487                                int nmsgs)
 488 {
 489         struct dw_i2c *i2c = dev_get_priv(bus);
 490         int ret;
 491
 492         debug("i2c_xfer: %d messages\n", nmsgs);
 493         for (; nmsgs > 0; nmsgs--, msg++) {
 494                 debug("i2c_xfer: chip=0x%x, len=0x%x\n", msg->addr, msg->len);
 495                 if (msg->flags & I2C_M_RD) {
 496                         ret = __dw_i2c_read(i2c->regs, msg->addr, 0, 0,
 497                                             msg->buf, msg->len);
 498                 } else {
 499                         ret = __dw_i2c_write(i2c->regs, msg->addr, 0, 0,
 500                                              msg->buf, msg->len);
 501                 }
 502                 if (ret) {
 503                         debug("i2c_write: error sending\n");
 504                         return -EREMOTEIO;
 505                 }
 506         }
 507
 508         return 0;
 509 }
 510
 511 static int designware_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
 512 {
 513         struct dw_i2c *i2c = dev_get_priv(bus);
 514
 515         return __dw_i2c_set_bus_speed(i2c->regs, i2c->scl_sda_cfg, speed);
 516 }
 517
 518 static int designware_i2c_probe_chip(struct udevice *bus, uint chip_addr,
 519                                      uint chip_flags)
 520 {
 521         struct dw_i2c *i2c = dev_get_priv(bus);
 522         struct i2c_regs *i2c_base = i2c->regs;
 523         u32 tmp;
 524         int ret;
 525
 526         /* Try to read the first location of the chip */
 527         ret = __dw_i2c_read(i2c_base, chip_addr, 0, 1, (uchar *)&tmp, 1);
 528         if (ret)
 529                 __dw_i2c_init(i2c_base, 0, 0);
 530
 531         return ret;
 532 }
 533
 534 static int designware_i2c_probe(struct udevice *bus)
 535 {
 536         struct dw_i2c *priv = dev_get_priv(bus);
 537
 538         if (device_is_on_pci_bus(bus)) {
 539 #ifdef CONFIG_DM_PCI
 540                 /* Save base address from PCI BAR */
 541                 priv->regs = (struct i2c_regs *)
 542                         dm_pci_map_bar(bus, PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
 543 #ifdef CONFIG_X86
 544                 /* Use BayTrail specific timing values */
 545                 priv->scl_sda_cfg = &byt_config;
 546 #endif
 547 #endif
 548         } else {
 549                 priv->regs = (struct i2c_regs *)devfdt_get_addr_ptr(bus);
 550         }
 551
 552         __dw_i2c_init(priv->regs, 0, 0);
 553
 554         return 0;
 555 }
 556
 557 static int designware_i2c_bind(struct udevice *dev)
 558 {
 559         static int num_cards;
 560         char name[20];
 561
 562         /* Create a unique device name for PCI type devices */
 563         if (device_is_on_pci_bus(dev)) {
 564                 /*
 565                  * ToDo:
 566                  * Setting req_seq in the driver is probably not recommended.
 567                  * But without a DT alias the number is not configured. And
 568                  * using this driver is impossible for PCIe I2C devices.
 569                  * This can be removed, once a better (correct) way for this
 570                  * is found and implemented.
 571                  */
 572                 dev->req_seq = num_cards;
 573                 sprintf(name, "i2c_designware#%u", num_cards++);
 574                 device_set_name(dev, name);
 575         }
 576
 577         return 0;
 578 }
 579
 580 static const struct dm_i2c_ops designware_i2c_ops = {
 581         .xfer           = designware_i2c_xfer,
 582         .probe_chip     = designware_i2c_probe_chip,
 583         .set_bus_speed  = designware_i2c_set_bus_speed,
 584 };
 585
 586 static const struct udevice_id designware_i2c_ids[] = {
 587         { .compatible = "snps,designware-i2c" },
 588         { }
 589 };
 590
 591 U_BOOT_DRIVER(i2c_designware) = {
 592         .name   = "i2c_designware",
 593         .id     = UCLASS_I2C,
 594         .of_match = designware_i2c_ids,
 595         .bind   = designware_i2c_bind,
 596         .probe  = designware_i2c_probe,
 597         .priv_auto_alloc_size = sizeof(struct dw_i2c),
 598         .ops    = &designware_i2c_ops,
 599 };
 600
 601 #ifdef CONFIG_X86
 602 static struct pci_device_id designware_pci_supported[] = {
 603         /* Intel BayTrail has 7 I2C controller located on the PCI bus */
 604         { PCI_VDEVICE(INTEL, 0x0f41) },
 605         { PCI_VDEVICE(INTEL, 0x0f42) },
 606         { PCI_VDEVICE(INTEL, 0x0f43) },
 607         { PCI_VDEVICE(INTEL, 0x0f44) },
 608         { PCI_VDEVICE(INTEL, 0x0f45) },
 609         { PCI_VDEVICE(INTEL, 0x0f46) },
 610         { PCI_VDEVICE(INTEL, 0x0f47) },
 611         {},
 612 };
 613
 614 U_BOOT_PCI_DEVICE(i2c_designware, designware_pci_supported);
 615 #endif
 616
 617 #endif /* CONFIG_DM_I2C */