Re: [PATCH V3 2/2]OMAP: Disable internal I2C pull-ups in OMAP3630

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* Leon Woestenberg <leon.woestenberg@xxxxxxxxx> [100609 22:20]:
> Hello Tony,
> 
> On Tue, Jun 8, 2010 at 12:04 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> > Because of this, 3630 boards should have the mux register pull-ups disabled,
> > and only use the dedicated I2C pull-ups. In theory external pull-ups should
> > not be needed. The value configured for the dedicated I2C pull-ups depends
> > on the connected I2C device, and the number of devices.
> >
> If the internal pull-ups are disabled, why are external pull-ups not needed?

There are two omap internal pull-ups available: The iopad mux pull-ups and the
I2C specific pull-ups. Only the I2C specific ones should be used.

Regards,

Tony
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