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Can not find /dev/gpio node?

Altera_Forum
Honored Contributor II
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hello, 

I use the lastest nios2 linux, I have tried to use altera gpio ip, well, the kernel support it, and it probed the gpio device during kernel boot, but when I try to check the /dev/gpio and /proc/devices, I can't find any thing about gpio, what's wrong ? 

Shell I write c code to communicate with it or something else? 

:( 

regards
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