On Sun, Jun 10, 2012 at 01:53:05PM +0200, Marek Vasut wrote:
> > +struct mxs_i2c_speed_config {
> > + uint32_t timing0;
> > + uint32_t timing1;
> > + uint32_t timing2;
> > +};
> > +
> > +/* Timing values for the default 24MHz clock supplied into the i2c block.
>
> Thinking about these further -- does anyone have any idea how these numbers
> were
> derived? And possibly even formula for that?
>
> And maybe we should somehow make sure the source runs on 24MHz (how?).
>
There is nothing about I2C clock mentioned in CLKCTRL chapter. I just
contacted design team and was told that I2C clock sources from APBX
(xbus) clock and always runs at the same frequency there.
--
Regards,
Shawn
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