[PATCH v4 2/2] reset: Add GPIO support to reset controller framework

Philipp Zabel p.zabel at pengutronix.de
Tue Apr 15 01:35:25 PDT 2014

Hi Alan,

Am Montag, den 14.04.2014, 11:57 +0100 schrieb One Thousand Gnomes:
> > This adds support for GPIO controlled reset pins on peripheral ICs to the reset
> > controller framework. Currently there is no support for specifying a delay
> > between assertion and de-assertion of the reset signal, so this has to be
> > handled by the drivers.
> Lots of GPIO controllers are doing posted writes to the fabric so surely
> your delay will be wrong ?

I haven't seen hardware yet where this is an issue, but it's a valid
point. I can also imagine boards where the GPIO is connected to some
board specific timed reset logic or where the reset length has to be
altered just due to capacitance.


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