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It cuold be great if KDE was able to use reverse scroll only in the touchpad, not in the mouse, it's kind of anoying that my mouse wheel use the reverse scroll.

No body?

same question here

This is already possible, I use it on a daily base.

Really sorry that I can currently not point you to the specific packages or settings, but this works for me:
At work I have a Kubuntu system that scrolls up when scrolling down on my toughpad (twofinger moving down in parallel), just like a touch pad would, whilst my mouse has a normal scrolling feeling, so pulling the finger on the wheel towards me scrolls down.
This sounds like what you ask for, this works on that system. Interesting enough I currently fail to replicate that on my current openSUSE box. Annoying, but I have to confess (once more), that Ubuntu often does a good job!