It's entirely possible, but the big three cues to me where his extreme social awkwardness, the rocking, and finally, his dedication to technical interests. The final one alone wouldn't make me think Asperger's. Even the first and the third wouldn't make me confident, but unconscious rocking is a symptom of autism in general.

I'm a big proponent of the idea that genius is more about raw effort over extended periods of time rather than innate intelligence. But perhaps some people are wired for that kind of dedication moreso than others.