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regulator: s2mps11: Implement set_voltage_time_sel() ops for bucks 

Currently driver uses local struct s2mps11_info to store ramp rate for bucks
whic its getting through platform data, so instead of using regulator
constraints it should use s2mps11_info to calculate ramp delay.

Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Yadwinder Singh Brar 2013-06-24 16:50:56 +05:30 committed by Mark Brown
parent ad81f0545e
commit 1e1598ed04
1 changed files with 52 additions and 1 deletions
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53
drivers/regulator/s2mps11.c
View File

@ -53,6 +53,57 @@ static int get_ramp_delay(int ramp_delay)
return cnt;
}
static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int old_selector,
unsigned int new_selector)
{
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
unsigned int ramp_delay = 0;
int old_volt, new_volt;
switch (rdev->desc->id) {
case S2MPS11_BUCK2:
if (!s2mps11->buck2_ramp)
return 0;
ramp_delay = s2mps11->ramp_delay2;
break;
case S2MPS11_BUCK3:
if (!s2mps11->buck3_ramp)
return 0;
ramp_delay = s2mps11->ramp_delay34;
break;
case S2MPS11_BUCK4:
if (!s2mps11->buck4_ramp)
return 0;
ramp_delay = s2mps11->ramp_delay34;
break;
case S2MPS11_BUCK5:
ramp_delay = s2mps11->ramp_delay5;
break;
case S2MPS11_BUCK6:
if (!s2mps11->buck6_ramp)
return 0;
case S2MPS11_BUCK1:
ramp_delay = s2mps11->ramp_delay16;
break;
case S2MPS11_BUCK7:
case S2MPS11_BUCK8:
case S2MPS11_BUCK10:
ramp_delay = s2mps11->ramp_delay7810;
break;
case S2MPS11_BUCK9:
ramp_delay = s2mps11->ramp_delay9;
}
if (ramp_delay == 0)
ramp_delay = rdev->desc->ramp_delay;
old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector);
new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector);
return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay);
}
static struct regulator_ops s2mps11_ldo_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
@ -72,7 +123,7 @@ static struct regulator_ops s2mps11_buck_ops = {
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel,
};
#define regulator_desc_ldo1(num) { \