[i2c] [PATCH] powerpc: i2c-mpc: make speed registers configurable via FDT
xyzzy at speakeasy.org
Fri Aug 1 21:47:13 CEST 2008
On Fri, 1 Aug 2008, Timur Tabi wrote:
> On Thu, Jul 31, 2008 at 6:32 PM, Trent Piepho <xyzzy at speakeasy.org> wrote:
> > The real problem, which kept me from making a patch to do this months ago,
> > is that the source clock that the I2C freq divider applies to is different
> > for just about every MPC8xxx platform. Not just a different value, but a
> > totally different internal clock. Sometimes is CCB, sometimes CCB/2,
> > sometimes tsec2's clock, etc.
> On which SOC is it the tesc2 clock?
> > Sometimes the two i2c controllers don't even
> > have the same clock.
> On which platform is that the case? I thought I had all 8xx
> boards covered. Did I miss some?
All 83xx other than 832x.
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