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path: root/drivers/mfd/arizona-core.c
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Diffstat (limited to 'drivers/mfd/arizona-core.c')
-rw-r--r--drivers/mfd/arizona-core.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 1c3ae57082ed..07e6e27be23c 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -508,19 +508,31 @@ int arizona_of_get_type(struct device *dev)
508} 508}
509EXPORT_SYMBOL_GPL(arizona_of_get_type); 509EXPORT_SYMBOL_GPL(arizona_of_get_type);
510 510
511int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
512 bool mandatory)
513{
514 int gpio;
515
516 gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
517 if (gpio < 0) {
518 if (mandatory)
519 dev_err(arizona->dev,
520 "Mandatory DT gpio %s missing/malformed: %d\n",
521 prop, gpio);
522
523 gpio = 0;
524 }
525
526 return gpio;
527}
528EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
529
511static int arizona_of_get_core_pdata(struct arizona *arizona) 530static int arizona_of_get_core_pdata(struct arizona *arizona)
512{ 531{
532 struct arizona_pdata *pdata = &arizona->pdata;
513 int ret, i; 533 int ret, i;
514 534
515 arizona->pdata.reset = of_get_named_gpio(arizona->dev->of_node, 535 pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
516 "wlf,reset", 0);
517 if (arizona->pdata.reset < 0)
518 arizona->pdata.reset = 0;
519
520 arizona->pdata.ldoena = of_get_named_gpio(arizona->dev->of_node,
521 "wlf,ldoena", 0);
522 if (arizona->pdata.ldoena < 0)
523 arizona->pdata.ldoena = 0;
524 536
525 ret = of_property_read_u32_array(arizona->dev->of_node, 537 ret = of_property_read_u32_array(arizona->dev->of_node,
526 "wlf,gpio-defaults", 538 "wlf,gpio-defaults",
@@ -652,6 +664,9 @@ int arizona_dev_init(struct arizona *arizona)
652 return -EINVAL; 664 return -EINVAL;
653 } 665 }
654 666
667 /* Mark DCVDD as external, LDO1 driver will clear if internal */
668 arizona->external_dcvdd = true;
669
655 ret = mfd_add_devices(arizona->dev, -1, early_devs, 670 ret = mfd_add_devices(arizona->dev, -1, early_devs,
656 ARRAY_SIZE(early_devs), NULL, 0, NULL); 671 ARRAY_SIZE(early_devs), NULL, 0, NULL);
657 if (ret != 0) { 672 if (ret != 0) {
@@ -851,14 +866,6 @@ int arizona_dev_init(struct arizona *arizona)
851 arizona->pdata.gpio_defaults[i]); 866 arizona->pdata.gpio_defaults[i]);
852 } 867 }
853 868
854 /*
855 * LDO1 can only be used to supply DCVDD so if it has no
856 * consumers then DCVDD is supplied externally.
857 */
858 if (arizona->pdata.ldo1 &&
859 arizona->pdata.ldo1->num_consumer_supplies == 0)
860 arizona->external_dcvdd = true;
861
862 pm_runtime_set_autosuspend_delay(arizona->dev, 100); 869 pm_runtime_set_autosuspend_delay(arizona->dev, 100);
863 pm_runtime_use_autosuspend(arizona->dev); 870 pm_runtime_use_autosuspend(arizona->dev);
864 pm_runtime_enable(arizona->dev); 871 pm_runtime_enable(arizona->dev);