summaryrefslogtreecommitdiffstats
path: root/drivers/regulator/twl-regulator.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator/twl-regulator.c')
-rw-r--r--drivers/regulator/twl-regulator.c138
1 files changed, 91 insertions, 47 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 9729d760fb4..7e5892efc43 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -49,6 +49,7 @@ struct twlreg_info {
/* chip constraints on regulator behavior */
u16 min_mV;
+ u16 max_mV;
/* used by regulator core */
struct regulator_desc desc;
@@ -318,31 +319,8 @@ static const u16 VIO_VSEL_table[] = {
static const u16 VINTANA2_VSEL_table[] = {
2500, 2750,
};
-static const u16 VAUX1_6030_VSEL_table[] = {
- 1000, 1300, 1800, 2500,
- 2800, 2900, 3000, 3000,
-};
-static const u16 VAUX2_6030_VSEL_table[] = {
- 1200, 1800, 2500, 2750,
- 2800, 2800, 2800, 2800,
-};
-static const u16 VAUX3_6030_VSEL_table[] = {
- 1000, 1200, 1300, 1800,
- 2500, 2800, 3000, 3000,
-};
-static const u16 VMMC_VSEL_table[] = {
- 1200, 1800, 2800, 2900,
- 3000, 3000, 3000, 3000,
-};
-static const u16 VPP_VSEL_table[] = {
- 1800, 1900, 2000, 2100,
- 2200, 2300, 2400, 2500,
-};
-static const u16 VUSIM_VSEL_table[] = {
- 1200, 1800, 2500, 2900,
-};
-static int twlldo_list_voltage(struct regulator_dev *rdev, unsigned index)
+static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int mV = info->table[index];
@@ -351,7 +329,7 @@ static int twlldo_list_voltage(struct regulator_dev *rdev, unsigned index)
}
static int
-twlldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel;
@@ -375,7 +353,7 @@ twlldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
return -EDOM;
}
-static int twlldo_get_voltage(struct regulator_dev *rdev)
+static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
@@ -388,11 +366,67 @@ static int twlldo_get_voltage(struct regulator_dev *rdev)
return LDO_MV(info->table[vsel]) * 1000;
}
-static struct regulator_ops twlldo_ops = {
- .list_voltage = twlldo_list_voltage,
+static struct regulator_ops twl4030ldo_ops = {
+ .list_voltage = twl4030ldo_list_voltage,
- .set_voltage = twlldo_set_voltage,
- .get_voltage = twlldo_get_voltage,
+ .set_voltage = twl4030ldo_set_voltage,
+ .get_voltage = twl4030ldo_get_voltage,
+
+ .enable = twlreg_enable,
+ .disable = twlreg_disable,
+ .is_enabled = twlreg_is_enabled,
+
+ .set_mode = twlreg_set_mode,
+
+ .get_status = twlreg_get_status,
+};
+
+static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return ((info->min_mV + (index * 100)) * 1000);
+}
+
+static int
+twl6030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+{
+ 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;
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, vsel);
+
+}
+
+static int twl6030ldo_get_voltage(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;
+
+ /*
+ * Use the below formula to calculate vsel
+ * mV = 1000mv + 100mv * (vsel - 1)
+ */
+ return (1000 + (100 * (vsel - 1))) * 1000;
+}
+
+static struct regulator_ops twl6030ldo_ops = {
+ .list_voltage = twl6030ldo_list_voltage,
+
+ .set_voltage = twl6030ldo_set_voltage,
+ .get_voltage = twl6030ldo_get_voltage,
.enable = twlreg_enable,
.disable = twlreg_disable,
@@ -438,24 +472,16 @@ static struct regulator_ops twlfixed_ops = {
/*----------------------------------------------------------------------*/
-#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
- TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \
- remap_conf, TWL4030)
#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
remap_conf) \
TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
remap_conf, TWL4030)
-#define TWL6030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \
- remap_conf) \
- TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \
- remap_conf, TWL6030)
#define TWL6030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
remap_conf) \
TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
remap_conf, TWL6030)
-#define TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf, \
- family) { \
+#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) { \
.base = offset, \
.id = num, \
.table_len = ARRAY_SIZE(label##_VSEL_table), \
@@ -464,14 +490,32 @@ static struct regulator_ops twlfixed_ops = {
.remap = remap_conf, \
.desc = { \
.name = #label, \
- .id = family##_REG_##label, \
+ .id = TWL4030_REG_##label, \
.n_voltages = ARRAY_SIZE(label##_VSEL_table), \
- .ops = &twlldo_ops, \
+ .ops = &twl4030ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}, \
}
+#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num, \
+ remap_conf) { \
+ .base = offset, \
+ .id = num, \
+ .min_mV = min_mVolts, \
+ .max_mV = max_mVolts, \
+ .remap = remap_conf, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030_REG_##label, \
+ .n_voltages = (max_mVolts - min_mVolts)/100, \
+ .ops = &twl6030ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+
#define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
family) { \
.base = offset, \
@@ -519,12 +563,12 @@ static struct twlreg_info twl_regs[] = {
/* 6030 REG with base as PMC Slave Misc : 0x0030 */
/* Turnon-delay and remap configuration values for 6030 are not
verified since the specification is not public */
- TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1, 0, 0x21),
- TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 2, 0, 0x21),
- TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 3, 0, 0x21),
- TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 4, 0, 0x21),
- TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 5, 0, 0x21),
- TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 7, 0, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300, 1, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300, 2, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300, 3, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300, 4, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300, 5, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300, 7, 0x21),
TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x21),
TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x21),
TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x21),
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-12 08:14:36 +0000