i2c-mpc clocking scheme

Timur Tabi timur at freescale.com
Fri Nov 28 02:24:59 EST 2008


On Thu, Nov 27, 2008 at 9:00 AM, Andre Schwarz
<andre.schwarz at matrix-vision.de> wrote:
> All,
>
> is anybody working on some improvements regarding configurable I2C
> frequency inside the i2c-mpc driver ?
>
> If not - would anybody be intersted in getting this done, i.e.
> configurable via device tree ?

Maybe I'm missing something, but U-Boot configures the I2C bus speed.
It does this because the algorithm is specific to the SOC itself.  For
example, the 8544 is different from the 8548.  It would be a mess to
duplicate this code in the kernel.

-- 
Timur Tabi
Linux kernel developer at Freescale



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