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regulator: Allow for asymmetric settling times

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Some regulators have different settling times for voltage increases and
decreases. To avoid a time penalty on the faster transition allow for
different settings for up- and downward transitions.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Matthias Kaehlcke
2017-05-16 11:43:43 -07:00
committed by Mark Brown
parent 543853de35
commit 3ffad468cf
3 changed files with 31 additions and 0 deletions
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6
include/linux/regulator/machine.h
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@@ -110,6 +110,10 @@ struct regulator_state {
* @ramp_delay: Time to settle down after voltage change (unit: uV/us)
* @settling_time: Time to settle down after voltage change when voltage
* change is non-linear (unit: microseconds).
* @settling_time_up: Time to settle down after voltage increase when voltage
* change is non-linear (unit: microseconds).
* @settling_time_down : Time to settle down after voltage decrease when
* voltage change is non-linear (unit: microseconds).
* @active_discharge: Enable/disable active discharge. The enum
* regulator_active_discharge values are used for
* initialisation.
@@ -152,6 +156,8 @@ struct regulation_constraints {
unsigned int ramp_delay;
unsigned int settling_time;
unsigned int settling_time_up;
unsigned int settling_time_down;
unsigned int enable_time;
unsigned int active_discharge;