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regulator: mp8859: Report slew rate

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The MP8859 implements voltage changes at the rate of 1mV/us, tell the core
about this so that it can provide appropriate delays on voltage changes.

Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://msgid.link/r/20240225-regulator-mp8859-v1-7-68ee2c839ded@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mark Brown 2024-02-25 14:59:33 +00:00
parent 4317ecadbe
commit 6df0921e90
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GPG key ID: 24D68B725D5487D0
1 changed files with 15 additions and 0 deletions
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15
drivers/regulator/mp8859.c
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@ -81,6 +81,20 @@ static int mp8859_get_voltage_sel(struct regulator_dev *rdev)
return val;
}
static int mp8859_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int from, unsigned int to)
{
int change;
/* The voltage ramps at 1mV/uS, selectors are 10mV */
if (from > to)
change = from - to;
else
change = to - from;
return change * 10 * 1000;
}
static unsigned int mp8859_get_mode(struct regulator_dev *rdev)
{
unsigned int val;
@ -220,6 +234,7 @@ static const struct regulator_ops mp8859_ops = {
.set_voltage_sel = mp8859_set_voltage_sel,
.get_voltage_sel = mp8859_get_voltage_sel,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_time_sel = mp8859_set_voltage_time_sel,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,