The GPIO problem on MPC8323?

[liu.yaojin at zte.com.cn]

thanks for replying.
it's my first time to use POWERPC,and i found it very different from ARM.
after i select "QE GPIO Suppor" in KConfig, i don't know how to use in 
next step.
Because no device node was found in /dev, and the format of dts is strange 
for me.
could you show me a little example?




On Tue, Mar 23, 2010 at 03:07:49PM +0800, liu.yaojin at zte.com.cn wrote:
> hi,all:
> 
> i saw peter's mpc8xxx_gpio.c in kernel 2.6.31. it seems that file can 
only 
> be used on 831x and others, but not mpc8323. my platform is mpc8323, how 

> can i use the GPIO?
> i also found "QE GPIO Support" and "Support for simple, memory-mapped 
GPIO 
> controllers" selection,  how can i use it and test in user space?
> 
> thanks, best regards.

This is the same e-mail that you sent yesterday...  Yes, you want the QE
GPIO driver for QE chips.  It should work the same as other GPIO drivers. 
Check the documentation or the code for how to use the interface.

-Scott


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