He had Hagoromo's chakra but until we get a clear scan on what that means I won't lousily throw around the term Rikudou Chakra, this would imply that he had the Rinnegan.He had Rikudou chakra, invented the use of ninjutsu as a weapon and was most likely a genius of Itachi's level, don't underestimate the guy who was said to have Hagoromo's "eye power"
It means Rikudou chakra without Rinnegan, similar to what Obito had post-JuubiHe had Hagoromo's chakra but until we get a clear scan on what that means I won't lousily throw around the term Rikudou Chakra, this would imply that he had the Rinnegan.