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path: root/drivers/mfd/twl4030-core.c
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Diffstat (limited to 'drivers/mfd/twl4030-core.c')
-rw-r--r--drivers/mfd/twl4030-core.c89
1 files changed, 46 insertions, 43 deletions
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index e424cf6d8e9e..e832e975da60 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -480,7 +480,6 @@ static int
480add_children(struct twl4030_platform_data *pdata, unsigned long features) 480add_children(struct twl4030_platform_data *pdata, unsigned long features)
481{ 481{
482 struct device *child; 482 struct device *child;
483 struct device *usb_transceiver = NULL;
484 483
485 if (twl_has_bci() && pdata->bci && !(features & TPS_SUBSET)) { 484 if (twl_has_bci() && pdata->bci && !(features & TPS_SUBSET)) {
486 child = add_child(3, "twl4030_bci", 485 child = add_child(3, "twl4030_bci",
@@ -532,16 +531,61 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
532 } 531 }
533 532
534 if (twl_has_usb() && pdata->usb) { 533 if (twl_has_usb() && pdata->usb) {
534
535 static struct regulator_consumer_supply usb1v5 = {
536 .supply = "usb1v5",
537 };
538 static struct regulator_consumer_supply usb1v8 = {
539 .supply = "usb1v8",
540 };
541 static struct regulator_consumer_supply usb3v1 = {
542 .supply = "usb3v1",
543 };
544
545 /* First add the regulators so that they can be used by transceiver */
546 if (twl_has_regulator()) {
547 /* this is a template that gets copied */
548 struct regulator_init_data usb_fixed = {
549 .constraints.valid_modes_mask =
550 REGULATOR_MODE_NORMAL
551 | REGULATOR_MODE_STANDBY,
552 .constraints.valid_ops_mask =
553 REGULATOR_CHANGE_MODE
554 | REGULATOR_CHANGE_STATUS,
555 };
556
557 child = add_regulator_linked(TWL4030_REG_VUSB1V5,
558 &usb_fixed, &usb1v5, 1);
559 if (IS_ERR(child))
560 return PTR_ERR(child);
561
562 child = add_regulator_linked(TWL4030_REG_VUSB1V8,
563 &usb_fixed, &usb1v8, 1);
564 if (IS_ERR(child))
565 return PTR_ERR(child);
566
567 child = add_regulator_linked(TWL4030_REG_VUSB3V1,
568 &usb_fixed, &usb3v1, 1);
569 if (IS_ERR(child))
570 return PTR_ERR(child);
571
572 }
573
535 child = add_child(0, "twl4030_usb", 574 child = add_child(0, "twl4030_usb",
536 pdata->usb, sizeof(*pdata->usb), 575 pdata->usb, sizeof(*pdata->usb),
537 true, 576 true,
538 /* irq0 = USB_PRES, irq1 = USB */ 577 /* irq0 = USB_PRES, irq1 = USB */
539 pdata->irq_base + 8 + 2, pdata->irq_base + 4); 578 pdata->irq_base + 8 + 2, pdata->irq_base + 4);
579
540 if (IS_ERR(child)) 580 if (IS_ERR(child))
541 return PTR_ERR(child); 581 return PTR_ERR(child);
542 582
543 /* we need to connect regulators to this transceiver */ 583 /* we need to connect regulators to this transceiver */
544 usb_transceiver = child; 584 if (twl_has_regulator() && child) {
585 usb1v5.dev = child;
586 usb1v8.dev = child;
587 usb3v1.dev = child;
588 }
545 } 589 }
546 590
547 if (twl_has_watchdog()) { 591 if (twl_has_watchdog()) {
@@ -580,47 +624,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
580 return PTR_ERR(child); 624 return PTR_ERR(child);
581 } 625 }
582 626
583 if (twl_has_regulator() && usb_transceiver) {
584 static struct regulator_consumer_supply usb1v5 = {
585 .supply = "usb1v5",
586 };
587 static struct regulator_consumer_supply usb1v8 = {
588 .supply = "usb1v8",
589 };
590 static struct regulator_consumer_supply usb3v1 = {
591 .supply = "usb3v1",
592 };
593
594 /* this is a template that gets copied */
595 struct regulator_init_data usb_fixed = {
596 .constraints.valid_modes_mask =
597 REGULATOR_MODE_NORMAL
598 | REGULATOR_MODE_STANDBY,
599 .constraints.valid_ops_mask =
600 REGULATOR_CHANGE_MODE
601 | REGULATOR_CHANGE_STATUS,
602 };
603
604 usb1v5.dev = usb_transceiver;
605 usb1v8.dev = usb_transceiver;
606 usb3v1.dev = usb_transceiver;
607
608 child = add_regulator_linked(TWL4030_REG_VUSB1V5, &usb_fixed,
609 &usb1v5, 1);
610 if (IS_ERR(child))
611 return PTR_ERR(child);
612
613 child = add_regulator_linked(TWL4030_REG_VUSB1V8, &usb_fixed,
614 &usb1v8, 1);
615 if (IS_ERR(child))
616 return PTR_ERR(child);
617
618 child = add_regulator_linked(TWL4030_REG_VUSB3V1, &usb_fixed,
619 &usb3v1, 1);
620 if (IS_ERR(child))
621 return PTR_ERR(child);
622 }
623
624 /* maybe add LDOs that are omitted on cost-reduced parts */ 627 /* maybe add LDOs that are omitted on cost-reduced parts */
625 if (twl_has_regulator() && !(features & TPS_SUBSET)) { 628 if (twl_has_regulator() && !(features & TPS_SUBSET)) {
626 child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2); 629 child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2);