[PATCHv2 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging

Fabio Estevam festevam at gmail.com
Fri Jun 21 18:27:44 EDT 2013


On Thu, Jun 20, 2013 at 3:57 PM, Alexandre Belloni
<alexandre.belloni at free-electrons.com> wrote:
> From: Maxime Ripard <maxime.ripard at free-electrons.com>
>
> The ADCs connected to this bus have been experiencing some timeout
> issues when using the iMX28 i2c controller. Switching back to bitbanging
> solves this.

Could you please investigate this timeout issue?

The I2C timeouts I was having on mx28 when trying to access sgtl5000
codec, was due to the lack
of codec clock.

After I provided the codec clock I am able to use I2C without issues
and just sent a patch for it.



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