aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mfd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/twl4030-core.c91
-rw-r--r--drivers/mfd/ucb1x00-core.c1
-rw-r--r--drivers/mfd/wm831x-irq.c3
3 files changed, 50 insertions, 45 deletions
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index e424cf6d8e9e..a1c47ee95c0e 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);
@@ -792,7 +795,7 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
792 twl->client = i2c_new_dummy(client->adapter, 795 twl->client = i2c_new_dummy(client->adapter,
793 twl->address); 796 twl->address);
794 if (!twl->client) { 797 if (!twl->client) {
795 dev_err(&twl->client->dev, 798 dev_err(&client->dev,
796 "can't attach client %d\n", i); 799 "can't attach client %d\n", i);
797 status = -ENOMEM; 800 status = -ENOMEM;
798 goto fail; 801 goto fail;
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index fea9085fe52c..60c3988f3cf3 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -18,6 +18,7 @@
18 */ 18 */
19#include <linux/module.h> 19#include <linux/module.h>
20#include <linux/kernel.h> 20#include <linux/kernel.h>
21#include <linux/sched.h>
21#include <linux/slab.h> 22#include <linux/slab.h>
22#include <linux/init.h> 23#include <linux/init.h>
23#include <linux/errno.h> 24#include <linux/errno.h>
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index d3015dfb9134..ac056ea6b66e 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -507,6 +507,8 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
507{ 507{
508 int i, ret; 508 int i, ret;
509 509
510 mutex_init(&wm831x->irq_lock);
511
510 if (!irq) { 512 if (!irq) {
511 dev_warn(wm831x->dev, 513 dev_warn(wm831x->dev,
512 "No interrupt specified - functionality limited\n"); 514 "No interrupt specified - functionality limited\n");
@@ -521,7 +523,6 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
521 } 523 }
522 524
523 wm831x->irq = irq; 525 wm831x->irq = irq;
524 mutex_init(&wm831x->irq_lock);
525 INIT_WORK(&wm831x->irq_work, wm831x_irq_worker); 526 INIT_WORK(&wm831x->irq_work, wm831x_irq_worker);
526 527
527 /* Mask the individual interrupt sources */ 528 /* Mask the individual interrupt sources */