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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>
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ad81f0545e
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1e1598ed04
1 changed files with 52 additions and 1 deletions
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@ -53,6 +53,57 @@ static int get_ramp_delay(int ramp_delay)
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return cnt;
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}
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static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
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unsigned int old_selector,
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unsigned int new_selector)
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{
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struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
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unsigned int ramp_delay = 0;
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int old_volt, new_volt;
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switch (rdev->desc->id) {
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case S2MPS11_BUCK2:
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if (!s2mps11->buck2_ramp)
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return 0;
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ramp_delay = s2mps11->ramp_delay2;
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break;
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case S2MPS11_BUCK3:
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if (!s2mps11->buck3_ramp)
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return 0;
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ramp_delay = s2mps11->ramp_delay34;
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break;
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case S2MPS11_BUCK4:
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if (!s2mps11->buck4_ramp)
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return 0;
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ramp_delay = s2mps11->ramp_delay34;
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break;
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case S2MPS11_BUCK5:
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ramp_delay = s2mps11->ramp_delay5;
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break;
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case S2MPS11_BUCK6:
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if (!s2mps11->buck6_ramp)
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return 0;
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case S2MPS11_BUCK1:
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ramp_delay = s2mps11->ramp_delay16;
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break;
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case S2MPS11_BUCK7:
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case S2MPS11_BUCK8:
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case S2MPS11_BUCK10:
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ramp_delay = s2mps11->ramp_delay7810;
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break;
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case S2MPS11_BUCK9:
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ramp_delay = s2mps11->ramp_delay9;
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}
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if (ramp_delay == 0)
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ramp_delay = rdev->desc->ramp_delay;
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old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector);
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new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector);
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return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay);
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}
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static struct regulator_ops s2mps11_ldo_ops = {
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.list_voltage = regulator_list_voltage_linear,
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.map_voltage = regulator_map_voltage_linear,
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@ -72,7 +123,7 @@ static struct regulator_ops s2mps11_buck_ops = {
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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.set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel,
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};
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#define regulator_desc_ldo1(num) { \
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