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-rw-r--r--drivers/regulator/qcom_spmi-regulator.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 3550f7f7c2eb..fdea94c5a016 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -246,6 +246,7 @@ enum spmi_common_control_register_index {
/* Minimum voltage stepper delay for each step. */
#define SPMI_FTSMPS_STEP_DELAY 8
+#define SPMI_DEFAULT_STEP_DELAY 20
/*
* The ratio SPMI_FTSMPS_STEP_MARGIN_NUM/SPMI_FTSMPS_STEP_MARGIN_DEN is used to
@@ -1008,6 +1009,7 @@ static struct regulator_ops spmi_smps_ops = {
.disable = spmi_regulator_common_disable,
.is_enabled = spmi_regulator_common_is_enabled,
.set_voltage = spmi_regulator_common_set_voltage,
+ .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel,
.get_voltage = spmi_regulator_common_get_voltage,
.list_voltage = spmi_regulator_common_list_voltage,
.set_mode = spmi_regulator_common_set_mode,
@@ -1081,6 +1083,7 @@ static struct regulator_ops spmi_ult_lo_smps_ops = {
.disable = spmi_regulator_common_disable,
.is_enabled = spmi_regulator_common_is_enabled,
.set_voltage = spmi_regulator_ult_lo_smps_set_voltage,
+ .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel,
.get_voltage = spmi_regulator_ult_lo_smps_get_voltage,
.list_voltage = spmi_regulator_common_list_voltage,
.set_mode = spmi_regulator_common_set_mode,
@@ -1094,6 +1097,7 @@ static struct regulator_ops spmi_ult_ho_smps_ops = {
.disable = spmi_regulator_common_disable,
.is_enabled = spmi_regulator_common_is_enabled,
.set_voltage = spmi_regulator_single_range_set_voltage,
+ .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel,
.get_voltage = spmi_regulator_single_range_get_voltage,
.list_voltage = spmi_regulator_common_list_voltage,
.set_mode = spmi_regulator_common_set_mode,
@@ -1245,11 +1249,11 @@ found:
return 0;
}
-static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg)
+static int spmi_regulator_init_slew_rate(struct spmi_regulator *vreg)
{
int ret;
u8 reg = 0;
- int step, delay, slew_rate;
+ int step, delay, slew_rate, step_delay;
const struct spmi_voltage_range *range;
ret = spmi_vreg_read(vreg, SPMI_COMMON_REG_STEP_CTRL, &reg, 1);
@@ -1262,6 +1266,15 @@ static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg)
if (!range)
return -EINVAL;
+ switch (vreg->logical_type) {
+ case SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS:
+ step_delay = SPMI_FTSMPS_STEP_DELAY;
+ break;
+ default:
+ step_delay = SPMI_DEFAULT_STEP_DELAY;
+ break;
+ }
+
step = reg & SPMI_FTSMPS_STEP_CTRL_STEP_MASK;
step >>= SPMI_FTSMPS_STEP_CTRL_STEP_SHIFT;
@@ -1270,7 +1283,7 @@ static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg)
/* slew_rate has units of uV/us */
slew_rate = SPMI_FTSMPS_CLOCK_RATE * range->step_uV * (1 << step);
- slew_rate /= 1000 * (SPMI_FTSMPS_STEP_DELAY << delay);
+ slew_rate /= 1000 * (step_delay << delay);
slew_rate *= SPMI_FTSMPS_STEP_MARGIN_NUM;
slew_rate /= SPMI_FTSMPS_STEP_MARGIN_DEN;
@@ -1411,10 +1424,16 @@ static int spmi_regulator_of_parse(struct device_node *node,
return ret;
}
- if (vreg->logical_type == SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS) {
- ret = spmi_regulator_ftsmps_init_slew_rate(vreg);
+ switch (vreg->logical_type) {
+ case SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_ULT_LO_SMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_ULT_HO_SMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_SMPS:
+ ret = spmi_regulator_init_slew_rate(vreg);
if (ret)
return ret;
+ default:
+ break;
}
if (vreg->logical_type != SPMI_REGULATOR_LOGICAL_TYPE_VS)