I don't get it; if I'm shipping my own SOC, with my own wizzy latest hardware how else do I get drivers for all my stuff, without adding them myself? Like, I e

I don't get it; if I'm shipping my own SOC, with my own wizzy latest hardware how else do I get drivers for all my stuff, without adding them myself? Like, I expect the results to have all the expected "quality" of software written by hardware vendors, but I'm not sure what the alternative is? EDIT: oh right, userspace drivers for everything. Leaving the comment here anyway...