colibri-pxa300: LCD_LDD / LCD_CS gpio conflict

pieterg pieterg at gmx.com
Tue Sep 7 07:09:15 EDT 2010


On Tuesday 07 September 2010 11:50:08 Eric Miao wrote:
> On Tue, Sep 7, 2010 at 5:15 PM, pieterg <pieterg at gmx.com> wrote:
> > How about using GPIO127_LCD_CS_N instead? Then at least we won't have a
> > conflict with the LDD pins.
> > I don't know why the conflicting GPIO62_LCD_CS_N was chosen in the
> > first place?
>
> That depends on hardware, it's not like whichever pin with functionality
> of LCD_CS_N can be used. Need to check with schematics if the LCD_CS_N
> signal is routed to GPIO62 or GPIO127.

GPIO127 is available on the colibri connector (as well as 62 of course), but 
on the evalboard, there is no LCD_CS_N support (neither GPIO62 nor 
GPIO127).

Rgds, Pieter



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