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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.c112
1 files changed, 69 insertions, 43 deletions
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index ca54996ffd0..e832e975da6 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -89,6 +89,12 @@
#define twl_has_madc() false
#endif
+#ifdef CONFIG_TWL4030_POWER
+#define twl_has_power() true
+#else
+#define twl_has_power() false
+#endif
+
#if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE)
#define twl_has_rtc() true
#else
@@ -115,6 +121,12 @@
#define TWL4030_NUM_SLAVES 4
+#if defined(CONFIG_INPUT_TWL4030_PWRBUTTON) \
+ || defined(CONFIG_INPUT_TWL4030_PWBUTTON_MODULE)
+#define twl_has_pwrbutton() true
+#else
+#define twl_has_pwrbutton() false
+#endif
/* Base Address defns for twl4030_map[] */
@@ -468,7 +480,6 @@ static int
add_children(struct twl4030_platform_data *pdata, unsigned long features)
{
struct device *child;
- struct device *usb_transceiver = NULL;
if (twl_has_bci() && pdata->bci && !(features & TPS_SUBSET)) {
child = add_child(3, "twl4030_bci",
@@ -520,16 +531,61 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
}
if (twl_has_usb() && pdata->usb) {
+
+ static struct regulator_consumer_supply usb1v5 = {
+ .supply = "usb1v5",
+ };
+ static struct regulator_consumer_supply usb1v8 = {
+ .supply = "usb1v8",
+ };
+ static struct regulator_consumer_supply usb3v1 = {
+ .supply = "usb3v1",
+ };
+
+ /* First add the regulators so that they can be used by transceiver */
+ if (twl_has_regulator()) {
+ /* this is a template that gets copied */
+ struct regulator_init_data usb_fixed = {
+ .constraints.valid_modes_mask =
+ REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .constraints.valid_ops_mask =
+ REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ };
+
+ child = add_regulator_linked(TWL4030_REG_VUSB1V5,
+ &usb_fixed, &usb1v5, 1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator_linked(TWL4030_REG_VUSB1V8,
+ &usb_fixed, &usb1v8, 1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator_linked(TWL4030_REG_VUSB3V1,
+ &usb_fixed, &usb3v1, 1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ }
+
child = add_child(0, "twl4030_usb",
pdata->usb, sizeof(*pdata->usb),
true,
/* irq0 = USB_PRES, irq1 = USB */
pdata->irq_base + 8 + 2, pdata->irq_base + 4);
+
if (IS_ERR(child))
return PTR_ERR(child);
/* we need to connect regulators to this transceiver */
- usb_transceiver = child;
+ if (twl_has_regulator() && child) {
+ usb1v5.dev = child;
+ usb1v8.dev = child;
+ usb3v1.dev = child;
+ }
}
if (twl_has_watchdog()) {
@@ -538,6 +594,13 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
return PTR_ERR(child);
}
+ if (twl_has_pwrbutton()) {
+ child = add_child(1, "twl4030_pwrbutton",
+ NULL, 0, true, pdata->irq_base + 8 + 0, 0);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
if (twl_has_regulator()) {
/*
child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1);
@@ -561,47 +624,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
return PTR_ERR(child);
}
- if (twl_has_regulator() && usb_transceiver) {
- static struct regulator_consumer_supply usb1v5 = {
- .supply = "usb1v5",
- };
- static struct regulator_consumer_supply usb1v8 = {
- .supply = "usb1v8",
- };
- static struct regulator_consumer_supply usb3v1 = {
- .supply = "usb3v1",
- };
-
- /* this is a template that gets copied */
- struct regulator_init_data usb_fixed = {
- .constraints.valid_modes_mask =
- REGULATOR_MODE_NORMAL
- | REGULATOR_MODE_STANDBY,
- .constraints.valid_ops_mask =
- REGULATOR_CHANGE_MODE
- | REGULATOR_CHANGE_STATUS,
- };
-
- usb1v5.dev = usb_transceiver;
- usb1v8.dev = usb_transceiver;
- usb3v1.dev = usb_transceiver;
-
- child = add_regulator_linked(TWL4030_REG_VUSB1V5, &usb_fixed,
- &usb1v5, 1);
- if (IS_ERR(child))
- return PTR_ERR(child);
-
- child = add_regulator_linked(TWL4030_REG_VUSB1V8, &usb_fixed,
- &usb1v8, 1);
- if (IS_ERR(child))
- return PTR_ERR(child);
-
- child = add_regulator_linked(TWL4030_REG_VUSB3V1, &usb_fixed,
- &usb3v1, 1);
- if (IS_ERR(child))
- return PTR_ERR(child);
- }
-
/* maybe add LDOs that are omitted on cost-reduced parts */
if (twl_has_regulator() && !(features & TPS_SUBSET)) {
child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2);
@@ -788,6 +810,10 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
/* setup clock framework */
clocks_init(&client->dev);
+ /* load power event scripts */
+ if (twl_has_power() && pdata->power)
+ twl4030_power_init(pdata->power);
+
/* Maybe init the T2 Interrupt subsystem */
if (client->irq
&& pdata->irq_base