Unverified Commit 6df0921e authored by Mark Brown's avatar Mark Brown
Browse files

regulator: mp8859: Report slew rate 



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: default avatarMarkus Reichl <m.reichl@fivetechno.de>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Link: https://msgid.link/r/20240225-regulator-mp8859-v1-7-68ee2c839ded@kernel.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4317ecad

drivers/regulator/mp8859.c

+15 −0
Original line number Diff line number Diff line
@@ -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,