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path: root/drivers/regulator/twl-regulator.c
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Diffstat (limited to 'drivers/regulator/twl-regulator.c')
-rw-r--r--drivers/regulator/twl-regulator.c92
1 files changed, 31 insertions, 61 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index c7390711d954..242fe90dc565 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -43,9 +43,6 @@ struct twlreg_info {
u8 table_len;
const u16 *table;
- /* regulator specific turn-on delay */
- u16 delay;
-
/* State REMAP default configuration */
u8 remap;
@@ -223,20 +220,6 @@ static int twl6030reg_enable(struct regulator_dev *rdev)
return ret;
}
-static int twl4030reg_enable_time(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return info->delay;
-}
-
-static int twl6030reg_enable_time(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return info->delay;
-}
-
static int twl4030reg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
@@ -508,7 +491,6 @@ static struct regulator_ops twl4030ldo_ops = {
.enable = twl4030reg_enable,
.disable = twl4030reg_disable,
.is_enabled = twl4030reg_is_enabled,
- .enable_time = twl4030reg_enable_time,
.set_mode = twl4030reg_set_mode,
@@ -577,59 +559,53 @@ static struct regulator_ops twl6030coresmps_ops = {
.get_voltage = twl6030coresmps_get_voltage,
};
-static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
+static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
- return ((info->min_mV + (index * 100)) * 1000);
+ switch (sel) {
+ case 0:
+ return 0;
+ case 1 ... 24:
+ /* Linear mapping from 00000001 to 00011000:
+ * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
+ */
+ return (info->min_mV + 100 * (sel - 1)) * 1000;
+ case 25 ... 30:
+ return -EINVAL;
+ case 31:
+ return 2750000;
+ default:
+ return -EINVAL;
+ }
}
static int
-twl6030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
- unsigned *selector)
+twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel;
-
- if ((min_uV/1000 < info->min_mV) || (max_uV/1000 > info->max_mV))
- return -EDOM;
-
- /*
- * Use the below formula to calculate vsel
- * mV = 1000mv + 100mv * (vsel - 1)
- */
- vsel = (min_uV/1000 - 1000)/100 + 1;
- *selector = vsel;
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, vsel);
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
+ selector);
}
-static int twl6030ldo_get_voltage(struct regulator_dev *rdev)
+static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
- VREG_VOLTAGE);
-
- if (vsel < 0)
- return vsel;
+ int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
- /*
- * Use the below formula to calculate vsel
- * mV = 1000mv + 100mv * (vsel - 1)
- */
- return (1000 + (100 * (vsel - 1))) * 1000;
+ return vsel;
}
static struct regulator_ops twl6030ldo_ops = {
.list_voltage = twl6030ldo_list_voltage,
- .set_voltage = twl6030ldo_set_voltage,
- .get_voltage = twl6030ldo_get_voltage,
+ .set_voltage_sel = twl6030ldo_set_voltage_sel,
+ .get_voltage_sel = twl6030ldo_get_voltage_sel,
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
- .enable_time = twl6030reg_enable_time,
.set_mode = twl6030reg_set_mode,
@@ -663,7 +639,6 @@ static struct regulator_ops twl4030fixed_ops = {
.enable = twl4030reg_enable,
.disable = twl4030reg_disable,
.is_enabled = twl4030reg_is_enabled,
- .enable_time = twl4030reg_enable_time,
.set_mode = twl4030reg_set_mode,
@@ -678,7 +653,6 @@ static struct regulator_ops twl6030fixed_ops = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
- .enable_time = twl6030reg_enable_time,
.set_mode = twl6030reg_set_mode,
@@ -689,7 +663,6 @@ static struct regulator_ops twl6030_fixed_resource = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
- .enable_time = twl6030reg_enable_time,
.get_status = twl6030reg_get_status,
};
@@ -886,7 +859,6 @@ static struct regulator_ops twlsmps_ops = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
- .enable_time = twl6030reg_enable_time,
.set_mode = twl6030reg_set_mode,
@@ -909,7 +881,6 @@ static struct twlreg_info TWL4030_INFO_##label = { \
.id = num, \
.table_len = ARRAY_SIZE(label##_VSEL_table), \
.table = label##_VSEL_table, \
- .delay = turnon_delay, \
.remap = remap_conf, \
.desc = { \
.name = #label, \
@@ -918,6 +889,7 @@ static struct twlreg_info TWL4030_INFO_##label = { \
.ops = &twl4030ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
+ .enable_time = turnon_delay, \
}, \
}
@@ -925,7 +897,6 @@ static struct twlreg_info TWL4030_INFO_##label = { \
static struct twlreg_info TWL4030_INFO_##label = { \
.base = offset, \
.id = num, \
- .delay = turnon_delay, \
.remap = remap_conf, \
.desc = { \
.name = #label, \
@@ -933,6 +904,7 @@ static struct twlreg_info TWL4030_INFO_##label = { \
.ops = &twl4030smps_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
+ .enable_time = turnon_delay, \
}, \
}
@@ -955,7 +927,7 @@ static struct twlreg_info TWL6030_INFO_##label = { \
.desc = { \
.name = #label, \
.id = TWL6030_REG_##label, \
- .n_voltages = (max_mVolts - min_mVolts)/100 + 1, \
+ .n_voltages = 32, \
.ops = &twl6030ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
@@ -970,7 +942,7 @@ static struct twlreg_info TWL6025_INFO_##label = { \
.desc = { \
.name = #label, \
.id = TWL6025_REG_##label, \
- .n_voltages = ((max_mVolts - min_mVolts)/100) + 1, \
+ .n_voltages = 32, \
.ops = &twl6030ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
@@ -983,7 +955,6 @@ static struct twlreg_info TWLFIXED_INFO_##label = { \
.base = offset, \
.id = num, \
.min_mV = mVolts, \
- .delay = turnon_delay, \
.remap = remap_conf, \
.desc = { \
.name = #label, \
@@ -992,19 +963,20 @@ static struct twlreg_info TWLFIXED_INFO_##label = { \
.ops = &operations, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
+ .enable_time = turnon_delay, \
}, \
}
#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) \
static struct twlreg_info TWLRES_INFO_##label = { \
.base = offset, \
- .delay = turnon_delay, \
.desc = { \
.name = #label, \
.id = TWL6030_REG_##label, \
.ops = &twl6030_fixed_resource, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
+ .enable_time = turnon_delay, \
}, \
}
@@ -1109,7 +1081,6 @@ static u8 twl_get_smps_mult(void)
#define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
#define TWL6025_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6025, label)
#define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
-#define TWLRES_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLRES, label)
#define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
static const struct of_device_id twl_of_match[] __devinitconst = {
@@ -1157,7 +1128,6 @@ static const struct of_device_id twl_of_match[] __devinitconst = {
TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
- TWLRES_OF_MATCH("ti,twl6030-clk32kg", CLK32KG),
TWLSMPS_OF_MATCH("ti,twl6025-smps3", SMPS3),
TWLSMPS_OF_MATCH("ti,twl6025-smps4", SMPS4),
TWLSMPS_OF_MATCH("ti,twl6025-vio", VIO),
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.