Quoting yangcong (2021-11-14 19:01:55) > When powering up the ps8640, we need to deassert PD right > after we turn on the vdd33 regulator. Unfortunately, the vdd33 > regulator takes some time (~4ms) to turn on. Add in the delay > for the vdd33 regulator so that when the driver deasserts PD > that the regulator has had time to ramp. > > Signed-off-by: yangcong <yangcong5@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> > --- Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>