On Tue, Aug 30, 2016 at 09:21:15PM -0700, Douglas Anderson wrote: > From: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > > A change of the duty cycle doesn't necessarily cause an immediate switch > to the target voltage. On many PWM regulators there is a fixed "settle > time" (irrespective of the jump size) that we need to wait after an > upward jump. This change introduces the device tree property > "settle-time-up-us" which allows us 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 v3: > - Took out fixed delay for falling transitions > - Updated description > > .../devicetree/bindings/regulator/pwm-regulator.txt | 6 ++++++ Acked-by: Rob Herring <robh@xxxxxxxxxx> > drivers/regulator/pwm-regulator.c | 19 +++++++++++++++---- > 2 files changed, 21 insertions(+), 4 deletions(-) -- 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
