diff options
Diffstat (limited to 'drivers/regulator/qcom_spmi-regulator.c')
| -rw-r--r-- | drivers/regulator/qcom_spmi-regulator.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c index 3550f7f..fdea94c 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, ®, 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) |