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-rw-r--r--drivers/regulator/core.c6
-rw-r--r--drivers/regulator/of_regulator.c19
-rw-r--r--drivers/regulator/palmas-regulator.c18
-rw-r--r--drivers/regulator/tps65910-regulator.c5
4 files changed, 43 insertions, 5 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e9f74331fc69..e567fa54980b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2767,6 +2767,12 @@ static int _regulator_set_voltage_time(struct regulator_dev *rdev,
ramp_delay = rdev->desc->ramp_delay;
else if (rdev->constraints->settling_time)
return rdev->constraints->settling_time;
+ else if (rdev->constraints->settling_time_up &&
+ (new_uV > old_uV))
+ return rdev->constraints->settling_time_up;
+ else if (rdev->constraints->settling_time_down &&
+ (new_uV < old_uV))
+ return rdev->constraints->settling_time_down;
if (ramp_delay == 0) {
rdev_dbg(rdev, "ramp_delay not set\n");
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 09d677d5d3f0..96bf75458da5 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -90,6 +90,25 @@ static void of_get_regulation_constraints(struct device_node *np,
if (!ret)
constraints->settling_time = pval;
+ ret = of_property_read_u32(np, "regulator-settling-time-up-us", &pval);
+ if (!ret)
+ constraints->settling_time_up = pval;
+ if (constraints->settling_time_up && constraints->settling_time) {
+ pr_warn("%s: ambiguous configuration for settling time, ignoring 'regulator-settling-time-up-us'\n",
+ np->name);
+ constraints->settling_time_up = 0;
+ }
+
+ ret = of_property_read_u32(np, "regulator-settling-time-down-us",
+ &pval);
+ if (!ret)
+ constraints->settling_time_down = pval;
+ if (constraints->settling_time_down && constraints->settling_time) {
+ pr_warn("%s: ambiguous configuration for settling time, ignoring 'regulator-settling-time-down-us'\n",
+ np->name);
+ constraints->settling_time_down = 0;
+ }
+
ret = of_property_read_u32(np, "regulator-enable-ramp-delay", &pval);
if (!ret)
constraints->enable_time = pval;
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 34d4a62283d7..bb5ab7d78895 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -264,6 +264,13 @@ static struct palmas_regs_info tps65917_regs_info[] = {
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
},
{
+ .name = "SMPS12",
+ .sname = "smps1-in",
+ .vsel_addr = TPS65917_SMPS1_VOLTAGE,
+ .ctrl_addr = TPS65917_SMPS1_CTRL,
+ .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
+ },
+ {
.name = "LDO1",
.sname = "ldo1-in",
.vsel_addr = TPS65917_LDO1_VOLTAGE,
@@ -367,6 +374,7 @@ static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
+ EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5),
EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
@@ -1305,7 +1313,8 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
*/
desc = &pmic->desc[id];
desc->n_linear_ranges = 3;
- if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
+ if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
+ pmic->smps12)
continue;
/* Initialise sleep/init values from platform data */
@@ -1427,6 +1436,7 @@ static struct of_regulator_match tps65917_matches[] = {
{ .name = "smps3", },
{ .name = "smps4", },
{ .name = "smps5", },
+ { .name = "smps12",},
{ .name = "ldo1", },
{ .name = "ldo2", },
{ .name = "ldo3", },
@@ -1455,7 +1465,7 @@ static struct palmas_pmic_driver_data palmas_ddata = {
static struct palmas_pmic_driver_data tps65917_ddata = {
.smps_start = TPS65917_REG_SMPS1,
- .smps_end = TPS65917_REG_SMPS5,
+ .smps_end = TPS65917_REG_SMPS12,
.ldo_begin = TPS65917_REG_LDO1,
.ldo_end = TPS65917_REG_LDO5,
.max_reg = TPS65917_NUM_REGS,
@@ -1643,8 +1653,10 @@ static int palmas_regulators_probe(struct platform_device *pdev)
if (ret)
return ret;
- if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
+ if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
pmic->smps123 = 1;
+ pmic->smps12 = 1;
+ }
if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
pmic->smps457 = 1;
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 696116ebdf50..81672a58fcc2 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -1107,6 +1107,7 @@ static int tps65910_probe(struct platform_device *pdev)
switch (tps65910_chip_id(tps65910)) {
case TPS65910:
+ BUILD_BUG_ON(TPS65910_NUM_REGS < ARRAY_SIZE(tps65910_regs));
pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
pmic->num_regulators = ARRAY_SIZE(tps65910_regs);
pmic->ext_sleep_control = tps65910_ext_sleep_control;
@@ -1119,6 +1120,7 @@ static int tps65910_probe(struct platform_device *pdev)
DCDCCTRL_DCDCCKSYNC_MASK);
break;
case TPS65911:
+ BUILD_BUG_ON(TPS65910_NUM_REGS < ARRAY_SIZE(tps65911_regs));
pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
pmic->num_regulators = ARRAY_SIZE(tps65911_regs);
pmic->ext_sleep_control = tps65911_ext_sleep_control;
@@ -1144,8 +1146,7 @@ static int tps65910_probe(struct platform_device *pdev)
if (!pmic->rdev)
return -ENOMEM;
- for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
- i++, info++) {
+ for (i = 0; i < pmic->num_regulators; i++, info++) {
/* Register the regulators */
pmic->info[i] = info;