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

Grant Likely grant.likely at secretlab.ca
Fri Aug 1 04:21:42 EST 2008


On Thu, Jul 31, 2008 at 01:10:30PM -0500, Timur Tabi wrote:
> Grant Likely wrote:
> > On Thu, Jul 31, 2008 at 12:07 PM, Wolfgang Grandegger <wg at grandegger.com> wrote:
> >> We could add a property "source-clock-divider = <2/3>" if it's needed!?
> > 
> > fsl,source-clock-divider
> > 
> > But, yes, this is a good solution (assuming that it is a board or SoC
> > characteristic, and not just a choice that the driver has the option
> > of making on it's own).
> 
> I was going to suggest the actual clock frequency of the I2C device.  It would
> be value of gd->i2c1_clk or gd->i2c2_clk from U-Boot.  The actual divider value
> is meaningless.

I'm cool with that too, as long as it gets documented

g.




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