Question [Q] Where to get latest Driver's for Android?

Hi Ladies and Gentlemen, i looked after some latest Driver's for the Nexus 7 2013 Wifi.

I searched in Code Aurora Forum, didn't find any and the sorting of this Forum was a bit confusing but,
i found some patches but, i don't know how to use them.

I searched on Qualcomm's Website, found nothing.

I looked up on a Site named DragonBoard, found nothing.

At last, i searched on Google's Developer Site, found nothing.

Did i miss something, on this Site's?

So...i wanted to ask, where can i find Driver's for the Nexus 7 2013 Wifi ?
Device: Sony Xperia Z ( yuga )

ROM: 4.4.4 AICP

Kernel: Stock

Device: Samsung Galaxy TabPRO 8.4 LTE ( SM-T325 )

ROM: CM 11

Kernel: Stock