On Tue, Sep 06, 2016 at 12:05:04PM -0700, Matthias Kaehlcke wrote: > The target voltage isn't necessarily reached inmediately after > requesting a regulator to change the voltage. In some cases the > ramp_delay can be used to calculate the stabilisation time, in others > there is no direct relationship between the delta in the voltage and > the stabilisation time. This change introduces the device tree property > "regulator-settle-time-up-us" which allows to specify a fixed delay > after a voltage increase. > > We don't add an option of a fixed delay on the way down for now because > the way down is probably modelled best with a ramp rate, not a fixed > delay. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx> > > --- > Changes in v4: > - Moved from PWM regulator to regulator core > - Added 'regulator' prefix to device tree property > > .../devicetree/bindings/regulator/regulator.txt | 2 ++ > drivers/regulator/core.c | 24 +++++++++++++--------- > drivers/regulator/of_regulator.c | 4 ++++ > include/linux/regulator/machine.h | 2 ++ > 4 files changed, 22 insertions(+), 10 deletions(-) Acked-by: Rob Herring <robh@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
