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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.c54
1 files changed, 29 insertions, 25 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 75e180ceecf..cfc191abae4 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -251,8 +251,6 @@ static int arizona_apply_hardware_patch(struct arizona* arizona)
unsigned int fll, sysclk;
int ret, err;
- regcache_cache_bypass(arizona->regmap, true);
-
/* Cache existing FLL and SYSCLK settings */
ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &fll);
if (ret != 0) {
@@ -322,8 +320,6 @@ err_fll:
err);
}
- regcache_cache_bypass(arizona->regmap, false);
-
if (ret != 0)
return ret;
else
@@ -512,19 +508,31 @@ int arizona_of_get_type(struct device *dev)
}
EXPORT_SYMBOL_GPL(arizona_of_get_type);
+int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
+ bool mandatory)
+{
+ int gpio;
+
+ gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
+ if (gpio < 0) {
+ if (mandatory)
+ dev_err(arizona->dev,
+ "Mandatory DT gpio %s missing/malformed: %d\n",
+ prop, gpio);
+
+ gpio = 0;
+ }
+
+ return gpio;
+}
+EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
+
static int arizona_of_get_core_pdata(struct arizona *arizona)
{
+ struct arizona_pdata *pdata = &arizona->pdata;
int ret, i;
- arizona->pdata.reset = of_get_named_gpio(arizona->dev->of_node,
- "wlf,reset", 0);
- if (arizona->pdata.reset < 0)
- arizona->pdata.reset = 0;
-
- arizona->pdata.ldoena = of_get_named_gpio(arizona->dev->of_node,
- "wlf,ldoena", 0);
- if (arizona->pdata.ldoena < 0)
- arizona->pdata.ldoena = 0;
+ pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
ret = of_property_read_u32_array(arizona->dev->of_node,
"wlf,gpio-defaults",
@@ -565,7 +573,7 @@ static inline int arizona_of_get_core_pdata(struct arizona *arizona)
}
#endif
-static struct mfd_cell early_devs[] = {
+static const struct mfd_cell early_devs[] = {
{ .name = "arizona-ldo1" },
};
@@ -575,9 +583,10 @@ static const char *wm5102_supplies[] = {
"CPVDD",
"SPKVDDL",
"SPKVDDR",
+ "MICVDD",
};
-static struct mfd_cell wm5102_devs[] = {
+static const struct mfd_cell wm5102_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
@@ -590,7 +599,7 @@ static struct mfd_cell wm5102_devs[] = {
},
};
-static struct mfd_cell wm5110_devs[] = {
+static const struct mfd_cell wm5110_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
@@ -609,7 +618,7 @@ static const char *wm8997_supplies[] = {
"SPKVDD",
};
-static struct mfd_cell wm8997_devs[] = {
+static const struct mfd_cell wm8997_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
@@ -656,6 +665,9 @@ int arizona_dev_init(struct arizona *arizona)
return -EINVAL;
}
+ /* Mark DCVDD as external, LDO1 driver will clear if internal */
+ arizona->external_dcvdd = true;
+
ret = mfd_add_devices(arizona->dev, -1, early_devs,
ARRAY_SIZE(early_devs), NULL, 0, NULL);
if (ret != 0) {
@@ -855,14 +867,6 @@ int arizona_dev_init(struct arizona *arizona)
arizona->pdata.gpio_defaults[i]);
}
- /*
- * LDO1 can only be used to supply DCVDD so if it has no
- * consumers then DCVDD is supplied externally.
- */
- if (arizona->pdata.ldo1 &&
- arizona->pdata.ldo1->num_consumer_supplies == 0)
- arizona->external_dcvdd = true;
-
pm_runtime_set_autosuspend_delay(arizona->dev, 100);
pm_runtime_use_autosuspend(arizona->dev);
pm_runtime_enable(arizona->dev);