[U-Boot] [PATCH v3 1/7] mx23: Fix pad voltage selection bit

[Fabio Estevam]

On Thu, May 2, 2013 at 11:24 PM, Marek Vasut <marex at denx.de> wrote:

> Acked-by: Marek Vasut <marex at denx.de>
>
> but then, should we not just undefine this PAD_3V3 for MX23 altogether so noone
> is tempted to use it?

No, the EMI pins need to pass MXS_PAD_3V3 to tell the iomux driver
that the voltage select value is 0.

If we don't do that then it will remain on its reset value, which is
1, and marked as invalid in the reference manual.