1 /* 2 * Copyright (C) 2015 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <dm.h> 10 #include <errno.h> 11 #include <irq-generic.h> 12 #include <power/rk8xx_pmic.h> 13 #include <power/pmic.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 #if CONFIG_IS_ENABLED(IRQ) 18 /* RK805 */ 19 static const struct virq_reg rk805_irqs[] = { 20 [RK8XX_IRQ_PWRON_FALL] = { 21 .mask = RK805_IRQ_PWRON_FALL_MSK, 22 .reg_offset = 0, 23 }, 24 [RK8XX_IRQ_PWRON_RISE] = { 25 .mask = RK805_IRQ_PWRON_RISE_MSK, 26 .reg_offset = 0, 27 }, 28 }; 29 30 static struct virq_chip rk805_irq_chip = { 31 .status_base = RK805_INT_STS_REG, 32 .mask_base = RK805_INT_MSK_REG, 33 .num_regs = 1, 34 .read = pmic_reg_read, 35 .write = pmic_reg_write, 36 .irqs = rk805_irqs, 37 .num_irqs = ARRAY_SIZE(rk805_irqs), 38 }; 39 40 /* RK808 */ 41 static const struct virq_reg rk808_irqs[] = { 42 [RK8XX_IRQ_PLUG_OUT] = { 43 .mask = RK808_IRQ_PLUG_OUT_MSK, 44 .reg_offset = 1, 45 }, 46 }; 47 48 static struct virq_chip rk808_irq_chip = { 49 .status_base = RK808_INT_STS_REG1, 50 .mask_base = RK808_INT_MSK_REG1, 51 .irq_reg_stride = 2, 52 .num_regs = 2, 53 .read = pmic_reg_read, 54 .write = pmic_reg_write, 55 .irqs = rk808_irqs, 56 .num_irqs = ARRAY_SIZE(rk808_irqs), 57 }; 58 59 /* RK816 */ 60 static const struct virq_reg rk816_irqs[] = { 61 [RK8XX_IRQ_PWRON_FALL] = { 62 .mask = RK816_IRQ_PWRON_FALL_MSK, 63 .reg_offset = 0, 64 }, 65 [RK8XX_IRQ_PWRON_RISE] = { 66 .mask = RK816_IRQ_PWRON_RISE_MSK, 67 .reg_offset = 0, 68 }, 69 [RK8XX_IRQ_PLUG_OUT] = { 70 .mask = RK816_IRQ_PLUG_OUT_MSK, 71 .reg_offset = 2, 72 }, 73 [RK8XX_IRQ_CHG_OK] = { 74 .mask = RK816_IRQ_CHR_OK_MSK, 75 .reg_offset = 2, 76 }, 77 }; 78 79 static struct virq_chip rk816_irq_chip = { 80 .status_base = RK816_INT_STS_REG1, 81 .mask_base = RK816_INT_MSK_REG1, 82 .irq_unalign_reg_idx = 1, /* idx <= 1, stride = 3 */ 83 .irq_unalign_reg_stride = 3, 84 .irq_reg_stride = 2, /* idx > 1, stride = 2 */ 85 .num_regs = 3, 86 .read = pmic_reg_read, 87 .write = pmic_reg_write, 88 .irqs = rk816_irqs, 89 .num_irqs = ARRAY_SIZE(rk816_irqs), 90 }; 91 92 /* RK818 */ 93 static const struct virq_reg rk818_irqs[] = { 94 [RK8XX_IRQ_PLUG_OUT] = { 95 .mask = RK818_IRQ_PLUG_OUT_MSK, 96 .reg_offset = 1, 97 }, 98 [RK8XX_IRQ_CHG_OK] = { 99 .mask = RK818_IRQ_CHR_OK_MSK, 100 .reg_offset = 1, 101 }, 102 }; 103 104 static struct virq_chip rk818_irq_chip = { 105 .status_base = RK818_INT_STS_REG1, 106 .mask_base = RK818_INT_MSK_REG1, 107 .irq_reg_stride = 2, 108 .num_regs = 2, 109 .read = pmic_reg_read, 110 .write = pmic_reg_write, 111 .irqs = rk818_irqs, 112 .num_irqs = ARRAY_SIZE(rk818_irqs), 113 }; 114 115 /* RK817/RK809 */ 116 static const struct virq_reg rk817_irqs[] = { 117 [RK8XX_IRQ_PWRON_FALL] = { 118 .mask = RK817_IRQ_PWRON_FALL_MSK, 119 .reg_offset = 0, 120 }, 121 [RK8XX_IRQ_PWRON_RISE] = { 122 .mask = RK817_IRQ_PWRON_RISE_MSK, 123 .reg_offset = 0, 124 }, 125 [RK8XX_IRQ_PLUG_OUT] = { 126 .mask = RK817_IRQ_PLUG_OUT_MSK, 127 .reg_offset = 1, 128 }, 129 [RK8XX_IRQ_PLUG_IN] = { 130 .mask = RK817_IRQ_PLUG_IN_MSK, 131 .reg_offset = 1, 132 }, 133 }; 134 135 static struct virq_chip rk817_irq_chip = { 136 .status_base = RK817_INT_STS_REG0, 137 .mask_base = RK817_INT_MSK_REG0, 138 .irq_reg_stride = 2, 139 .num_regs = 3, 140 .read = pmic_reg_read, 141 .write = pmic_reg_write, 142 .irqs = rk817_irqs, 143 .num_irqs = ARRAY_SIZE(rk817_irqs), 144 }; 145 #endif 146 147 static struct reg_data rk817_init_reg[] = { 148 /* enable the under-voltage protection, 149 * the under-voltage protection will shutdown the LDO3 and reset the PMIC 150 */ 151 { RK817_BUCK4_CMIN, 0x6b, 0x6e}, 152 { RK817_PMIC_SYS_CFG1, 0x20, 0x70}, 153 /* Set pmic_sleep as none function */ 154 { RK817_PMIC_SYS_CFG3, 0x00, 0x18 }, 155 /* GATE pin function: gate function */ 156 { RK817_GPIO_INT_CFG, 0x00, 0x20 }, 157 #ifdef CONFIG_DM_CHARGE_DISPLAY 158 /* Set pmic_int active low */ 159 { RK817_GPIO_INT_CFG, 0x00, 0x02 }, 160 #endif 161 }; 162 163 static struct reg_data rk818_init_current[] = { 164 { REG_USB_CTRL, 0x07, 0x0f}, /* 2A */ 165 }; 166 167 static const struct pmic_child_info pmic_children_info[] = { 168 { .prefix = "DCDC", .driver = "rk8xx_buck"}, 169 { .prefix = "LDO", .driver = "rk8xx_ldo"}, 170 { .prefix = "SWITCH", .driver = "rk8xx_switch"}, 171 { }, 172 }; 173 174 static const struct pmic_child_info power_key_info[] = { 175 { .prefix = "pwrkey", .driver = "rk8xx_pwrkey"}, 176 { }, 177 }; 178 179 static const struct pmic_child_info rtc_info[] = { 180 { .prefix = "rtc", .driver = "rk8xx_rtc"}, 181 { }, 182 }; 183 184 static const struct pmic_child_info fuel_gauge_info[] = { 185 { .addr = "1c", .prefix = "battery", .driver = "rk818_fg"}, 186 { .addr = "20", .prefix = "battery", .driver = "rk817_fg"}, 187 { .addr = "1a", .prefix = "battery", .driver = "rk816_fg"}, 188 { }, 189 }; 190 191 static const struct pmic_child_info rk817_codec_info[] = { 192 { .prefix = "codec", .driver = "rk817_codec"}, 193 { }, 194 }; 195 196 static int rk8xx_reg_count(struct udevice *dev) 197 { 198 struct rk8xx_priv *priv = dev_get_priv(dev); 199 200 switch (priv->variant) { 201 case RK809_ID: 202 case RK817_ID: 203 return RK817_NUM_OF_REGS; 204 default: 205 return RK808_NUM_OF_REGS; 206 } 207 } 208 209 static int rk8xx_write(struct udevice *dev, uint reg, const uint8_t *buff, 210 int len) 211 { 212 int ret; 213 214 ret = dm_i2c_write(dev, reg, buff, len); 215 if (ret) { 216 printf("%s: write reg 0x%02x failed, ret=%d\n", __func__, reg, ret); 217 return ret; 218 } 219 220 return 0; 221 } 222 223 static int rk8xx_read(struct udevice *dev, uint reg, uint8_t *buff, int len) 224 { 225 int ret; 226 227 ret = dm_i2c_read(dev, reg, buff, len); 228 if (ret) { 229 printf("%s: read reg 0x%02x failed, ret=%d\n", __func__, reg, ret); 230 return ret; 231 } 232 233 return 0; 234 } 235 236 static int rk8xx_suspend(struct udevice *dev) 237 { 238 struct rk8xx_priv *priv = dev_get_priv(dev); 239 int ret = 0; 240 u8 val; 241 242 switch (priv->variant) { 243 case RK809_ID: 244 case RK817_ID: 245 /* pmic_sleep active high */ 246 ret = rk8xx_read(dev, RK817_PMIC_SYS_CFG3, &val, 1); 247 if (ret) 248 return ret; 249 priv->sleep_pin = val; 250 val &= ~0x38; 251 val |= 0x28; 252 ret = rk8xx_write(dev, RK817_PMIC_SYS_CFG3, &val, 1); 253 break; 254 default: 255 return 0; 256 } 257 258 return ret; 259 } 260 261 static int rk8xx_resume(struct udevice *dev) 262 { 263 struct rk8xx_priv *priv = dev_get_priv(dev); 264 int ret = 0; 265 266 switch (priv->variant) { 267 case RK809_ID: 268 case RK817_ID: 269 ret = rk8xx_write(dev, RK817_PMIC_SYS_CFG3, &priv->sleep_pin, 1); 270 break; 271 default: 272 return 0; 273 } 274 275 return ret; 276 } 277 278 static int rk8xx_shutdown(struct udevice *dev) 279 { 280 struct rk8xx_priv *priv = dev_get_priv(dev); 281 u8 val, dev_off, devctrl_reg; 282 int ret = 0; 283 284 switch (priv->variant) { 285 case RK808_ID: 286 devctrl_reg = REG_DEVCTRL; 287 dev_off = BIT(3); 288 break; 289 case RK805_ID: 290 case RK816_ID: 291 case RK818_ID: 292 devctrl_reg = REG_DEVCTRL; 293 dev_off = BIT(0); 294 break; 295 case RK809_ID: 296 case RK817_ID: 297 devctrl_reg = RK817_REG_SYS_CFG3; 298 dev_off = BIT(0); 299 break; 300 default: 301 printf("Unknown PMIC: RK%x\n", priv->variant); 302 return -EINVAL; 303 } 304 305 ret = rk8xx_read(dev, devctrl_reg, &val, 1); 306 if (ret) 307 return ret; 308 309 val |= dev_off; 310 ret = rk8xx_write(dev, devctrl_reg, &val, 1); 311 if (ret) 312 return ret; 313 314 return 0; 315 } 316 317 #if CONFIG_IS_ENABLED(PMIC_CHILDREN) 318 static int rk8xx_bind(struct udevice *dev) 319 { 320 ofnode regulators_node; 321 int children; 322 323 regulators_node = dev_read_subnode(dev, "regulators"); 324 if (!ofnode_valid(regulators_node)) { 325 debug("%s: %s regulators subnode not found!\n", __func__, 326 dev->name); 327 return -ENXIO; 328 } 329 330 debug("%s: '%s' - found regulators subnode\n", __func__, dev->name); 331 332 children = pmic_bind_children(dev, regulators_node, pmic_children_info); 333 if (!children) 334 debug("%s: %s - no child found\n", __func__, dev->name); 335 336 children = pmic_bind_children(dev, dev->node, power_key_info); 337 if (!children) 338 debug("%s: %s - no child found\n", __func__, dev->name); 339 340 children = pmic_bind_children(dev, dev->node, rtc_info); 341 if (!children) 342 debug("%s: %s - no child found\n", __func__, dev->name); 343 344 children = pmic_bind_children(dev, dev->node, fuel_gauge_info); 345 if (!children) 346 debug("%s: %s - no child found\n", __func__, dev->name); 347 348 children = pmic_bind_children(dev, dev->node, rk817_codec_info); 349 if (!children) 350 debug("%s: %s - no child found\n", __func__, dev->name); 351 352 /* Always return success for this device */ 353 return 0; 354 } 355 #endif 356 357 #if CONFIG_IS_ENABLED(IRQ) 358 /* 359 * When system suspend during U-Boot charge, make sure the plugout event 360 * be able to wakeup cpu in wfi/wfe state. 361 */ 362 #ifdef CONFIG_DM_CHARGE_DISPLAY 363 static void rk8xx_plug_out_handler(int irq, void *data) 364 { 365 printf("Plug out interrupt\n"); 366 } 367 #endif 368 369 static int rk8xx_ofdata_to_platdata(struct udevice *dev) 370 { 371 struct rk8xx_priv *rk8xx = dev_get_priv(dev); 372 u32 interrupt, phandle, val; 373 int ret; 374 375 phandle = dev_read_u32_default(dev, "interrupt-parent", -ENODATA); 376 if (phandle == -ENODATA) { 377 printf("Read 'interrupt-parent' failed, ret=%d\n", phandle); 378 return phandle; 379 } 380 381 ret = dev_read_u32_array(dev, "interrupts", &interrupt, 1); 382 if (ret) { 383 printf("Read 'interrupts' failed, ret=%d\n", ret); 384 return ret; 385 } 386 387 rk8xx->irq = phandle_gpio_to_irq(phandle, interrupt); 388 if (rk8xx->irq < 0) { 389 printf("Failed to request rk8xx irq, ret=%d\n", rk8xx->irq); 390 return rk8xx->irq; 391 } 392 393 val = dev_read_u32_default(dev, "long-press-off-time-sec", 0); 394 if (val <= 6) 395 rk8xx->lp_off_time = RK8XX_LP_TIME_6S; 396 else if (val <= 8) 397 rk8xx->lp_off_time = RK8XX_LP_TIME_8S; 398 else if (val <= 10) 399 rk8xx->lp_off_time = RK8XX_LP_TIME_10S; 400 else 401 rk8xx->lp_off_time = RK8XX_LP_TIME_12S; 402 403 val = dev_read_u32_default(dev, "long-press-restart", 0); 404 if (val) 405 rk8xx->lp_action = RK8XX_LP_RESTART; 406 else 407 rk8xx->lp_action = RK8XX_LP_OFF; 408 409 val = dev_read_u32_default(dev, "not-save-power-en", 0); 410 rk8xx->not_save_power_en = val; 411 412 val = dev_read_bool(dev, "vsys-off-shutdown"); 413 rk8xx->sys_can_sd = val; 414 415 return 0; 416 } 417 418 static int rk8xx_irq_chip_init(struct udevice *dev) 419 { 420 struct rk8xx_priv *priv = dev_get_priv(dev); 421 struct virq_chip *irq_chip = NULL; 422 __maybe_unused int irq_plugout = 1; 423 int ret; 424 425 switch (priv->variant) { 426 case RK808_ID: 427 irq_chip = &rk808_irq_chip; 428 break; 429 case RK805_ID: 430 irq_chip = &rk805_irq_chip; 431 irq_plugout = 0; 432 break; 433 case RK816_ID: 434 irq_chip = &rk816_irq_chip; 435 break; 436 case RK818_ID: 437 irq_chip = &rk818_irq_chip; 438 break; 439 case RK809_ID: 440 case RK817_ID: 441 irq_chip = &rk817_irq_chip; 442 break; 443 default: 444 return -EINVAL; 445 } 446 447 if (irq_chip) { 448 ret = virq_add_chip(dev, irq_chip, priv->irq); 449 if (ret) { 450 printf("Failed to add irqchip(irq=%d), ret=%d\n", 451 priv->irq, ret); 452 return ret; 453 } 454 455 priv->irq_chip = irq_chip; 456 457 #ifdef CONFIG_DM_CHARGE_DISPLAY 458 int irq; 459 460 if (irq_plugout) { 461 irq = virq_to_irq(irq_chip, RK8XX_IRQ_PLUG_OUT); 462 if (irq < 0) { 463 printf("Failed to register plugout irq, ret=%d\n", irq); 464 return irq; 465 } 466 irq_install_handler(irq, rk8xx_plug_out_handler, dev); 467 irq_handler_enable_suspend_only(irq); 468 } 469 #endif 470 } 471 472 return 0; 473 } 474 #else 475 static inline int rk8xx_ofdata_to_platdata(struct udevice *dev) { return 0; } 476 static inline int rk8xx_irq_chip_init(struct udevice *dev) { return 0; } 477 #endif 478 479 static int rk8xx_probe(struct udevice *dev) 480 { 481 struct rk8xx_priv *priv = dev_get_priv(dev); 482 struct reg_data *init_current = NULL; 483 struct reg_data *init_data = NULL; 484 int init_current_num = 0; 485 int init_data_num = 0; 486 int ret = 0, i, show_variant; 487 uint8_t msb, lsb, id_msb, id_lsb; 488 uint8_t on_source = 0, off_source = 0; 489 uint8_t pwron_key = 0, lp_off_msk = 0, lp_act_msk = 0; 490 uint8_t power_en0, power_en1, power_en2, power_en3; 491 uint8_t on, off; 492 uint8_t value; 493 494 /* read Chip variant */ 495 if (device_is_compatible(dev, "rockchip,rk817") || 496 device_is_compatible(dev, "rockchip,rk809")) { 497 id_msb = RK817_ID_MSB; 498 id_lsb = RK817_ID_LSB; 499 } else { 500 id_msb = ID_MSB; 501 id_lsb = ID_LSB; 502 } 503 504 ret = rk8xx_read(dev, id_msb, &msb, 1); 505 if (ret) 506 return ret; 507 ret = rk8xx_read(dev, id_lsb, &lsb, 1); 508 if (ret) 509 return ret; 510 511 priv->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK; 512 show_variant = priv->variant; 513 switch (priv->variant) { 514 case RK808_ID: 515 show_variant = 0x808; /* RK808 hardware ID is 0 */ 516 pwron_key = RK8XX_DEVCTRL_REG; 517 lp_off_msk = RK8XX_LP_OFF_MSK; 518 break; 519 case RK805_ID: 520 case RK816_ID: 521 on_source = RK8XX_ON_SOURCE; 522 off_source = RK8XX_OFF_SOURCE; 523 pwron_key = RK8XX_DEVCTRL_REG; 524 lp_off_msk = RK8XX_LP_OFF_MSK; 525 lp_act_msk = RK8XX_LP_ACTION_MSK; 526 break; 527 case RK818_ID: 528 on_source = RK8XX_ON_SOURCE; 529 off_source = RK8XX_OFF_SOURCE; 530 pwron_key = RK8XX_DEVCTRL_REG; 531 lp_off_msk = RK8XX_LP_OFF_MSK; 532 lp_act_msk = RK8XX_LP_ACTION_MSK; 533 /* set current if no fuel gauge */ 534 if (!ofnode_valid(dev_read_subnode(dev, "battery"))) { 535 init_current = rk818_init_current; 536 init_current_num = ARRAY_SIZE(rk818_init_current); 537 } 538 break; 539 case RK809_ID: 540 case RK817_ID: 541 if (device_is_compatible(dev, "rockchip,rk809") && (priv->variant != RK809_ID)) { 542 dev_err(dev, "the dts is RK809, the hardware is RK817\n"); 543 run_command("download", 0); 544 } 545 546 if (device_is_compatible(dev, "rockchip,rk817") && (priv->variant != RK817_ID)) { 547 dev_err(dev, "the dts is RK817, the hardware is RK809\n"); 548 run_command("download", 0); 549 } 550 551 on_source = RK817_ON_SOURCE; 552 off_source = RK817_OFF_SOURCE; 553 pwron_key = RK817_PWRON_KEY; 554 lp_off_msk = RK8XX_LP_OFF_MSK; 555 lp_act_msk = RK8XX_LP_ACTION_MSK; 556 init_data = rk817_init_reg; 557 init_data_num = ARRAY_SIZE(rk817_init_reg); 558 559 /* whether the system voltage can be shutdown in PWR_off mode */ 560 if (priv->sys_can_sd) { 561 ret = rk8xx_read(dev, RK817_PMIC_CHRG_TERM, &value, 1); 562 if (ret) 563 return ret; 564 value |= 0x80; 565 ret = rk8xx_write(dev, RK817_PMIC_CHRG_TERM, &value, 1); 566 if (ret) 567 return ret; 568 } else { 569 ret = rk8xx_read(dev, RK817_PMIC_CHRG_TERM, &value, 1); 570 if (ret) 571 return ret; 572 value &= 0x7f; 573 ret = rk8xx_write(dev, RK817_PMIC_CHRG_TERM, &value, 1); 574 if (ret) 575 return ret; 576 } 577 578 /* judge whether save the PMIC_POWER_EN register */ 579 if (!priv->not_save_power_en) { 580 ret = rk8xx_read(dev, RK817_POWER_EN0, &power_en0, 1); 581 if (ret) 582 return ret; 583 ret = rk8xx_read(dev, RK817_POWER_EN1, &power_en1, 1); 584 if (ret) 585 return ret; 586 ret = rk8xx_read(dev, RK817_POWER_EN2, &power_en2, 1); 587 if (ret) 588 return ret; 589 ret = rk8xx_read(dev, RK817_POWER_EN3, &power_en3, 1); 590 if (ret) 591 return ret; 592 593 value = (power_en0 & 0x0f) | ((power_en1 & 0x0f) << 4); 594 rk8xx_write(dev, RK817_POWER_EN_SAVE0, &value, 1); 595 value = (power_en2 & 0x0f) | ((power_en3 & 0x0f) << 4); 596 rk8xx_write(dev, RK817_POWER_EN_SAVE1, &value, 1); 597 } 598 break; 599 default: 600 printf("Unknown PMIC: RK%x!!\n", priv->variant); 601 return -EINVAL; 602 } 603 604 /* common init */ 605 for (i = 0; i < init_data_num; i++) { 606 ret = pmic_clrsetbits(dev, 607 init_data[i].reg, 608 init_data[i].mask, 609 init_data[i].val); 610 if (ret < 0) { 611 printf("%s: i2c set reg 0x%x failed, ret=%d\n", 612 __func__, init_data[i].reg, ret); 613 } 614 } 615 616 /* current init */ 617 for (i = 0; i < init_current_num; i++) { 618 ret = pmic_clrsetbits(dev, 619 init_current[i].reg, 620 init_current[i].mask, 621 init_current[i].val); 622 if (ret < 0) { 623 printf("%s: i2c set reg 0x%x failed, ret=%d\n", 624 __func__, init_current[i].reg, ret); 625 } 626 } 627 628 printf("PMIC: RK%x ", show_variant); 629 630 if (on_source && off_source) { 631 rk8xx_read(dev, on_source, &on, 1); 632 rk8xx_read(dev, off_source, &off, 1); 633 printf("(on=0x%02x, off=0x%02x)", on, off); 634 } 635 printf("\n"); 636 637 if (pwron_key) { 638 ret = rk8xx_read(dev, pwron_key, &value, 1); 639 if (ret) 640 return ret; 641 value &= ~(lp_off_msk | lp_act_msk); 642 if (lp_off_msk) 643 value |= priv->lp_off_time; 644 if (lp_act_msk) 645 value |= priv->lp_action; 646 rk8xx_write(dev, pwron_key, &value, 1); 647 } 648 649 ret = rk8xx_irq_chip_init(dev); 650 if (ret) { 651 printf("IRQ chip initial failed\n"); 652 return ret; 653 } 654 655 return 0; 656 } 657 658 static struct dm_pmic_ops rk8xx_ops = { 659 .reg_count = rk8xx_reg_count, 660 .read = rk8xx_read, 661 .write = rk8xx_write, 662 .suspend = rk8xx_suspend, 663 .resume = rk8xx_resume, 664 .shutdown = rk8xx_shutdown, 665 }; 666 667 static const struct udevice_id rk8xx_ids[] = { 668 { .compatible = "rockchip,rk805" }, 669 { .compatible = "rockchip,rk808" }, 670 { .compatible = "rockchip,rk809" }, 671 { .compatible = "rockchip,rk816" }, 672 { .compatible = "rockchip,rk817" }, 673 { .compatible = "rockchip,rk818" }, 674 { } 675 }; 676 677 U_BOOT_DRIVER(pmic_rk8xx) = { 678 .name = "rk8xx pmic", 679 .id = UCLASS_PMIC, 680 .of_match = rk8xx_ids, 681 #if CONFIG_IS_ENABLED(PMIC_CHILDREN) 682 .bind = rk8xx_bind, 683 #endif 684 .ofdata_to_platdata = rk8xx_ofdata_to_platdata, 685 .priv_auto_alloc_size = sizeof(struct rk8xx_priv), 686 .probe = rk8xx_probe, 687 .ops = &rk8xx_ops, 688 }; 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