[i2c] [PATCH] powerpc: i2c-mpc: make speed registers configurable via FDT

Scott Wood scottwood at freescale.com
Fri Aug 1 17:47:39 CEST 2008


On Fri, Aug 01, 2008 at 08:17:25AM -0500, Timur Tabi wrote:
> On Thu, Jul 31, 2008 at 6:32 PM, Trent Piepho <xyzzy at speakeasy.org> wrote:
> >  Sometimes the two i2c controllers don't even
> > have the same clock.
> 
> On which platform is that the case?  I thought I had all 8[356]xx
> boards covered.  Did I miss some?

On 8313, i2c1 is driven by the encryption clock (whose divider from the
CSB clock is programmable as 1, 2, or 3), but i2c2 is driven directly by
the CSB clock.

-Scott



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