Hi,
a driver for the ADS7846 is in the 2.6 kernel already, and there are
patches available for ADS7843 support. 

-Erwin

Am Mittwoch, den 24.03.2010, 07:29 +0100 schrieb Fabio Giovagnini:
> Hi all, this is my actual target.
> I'd like to add a touchscreen device driver for an hw done as follow:
> CPU <------> ADS7843 <-----> ET057003DH6 Touchscreen
> 
> CPU is connectien to ADS7843 using GPIO ports because I did not have real SPI 
> controller of mu CPU being those pins milti functions pins and used for other 
> more important functions.
> 
> What is the best way to proceed?
> I read about spt-bitbangs,is it the rigthway? Where can I study documentaion 
> and / or / examples?
> 
> Thanks a lot
> 


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