"I'm going there with an open mind," Barton told Sky Sports News. "I'll speak to Marseille and see what it's about. I would really like to join them, I've told people that before. It's a club that will suit me, that appeals to me for the sheer size of it.
"It's not going exactly to plan at QPR, there is a difference of opinion. Hopefully we can find a compromise. The alternative, which I have expressed to QPR, is that I go.
"I'm not really part of it and I've got the best union in the world protecting me. I would be well within my rights to sit for the next three years and pick my money up, but that isn't me."
Barton was stripped of the captaincy and lost his number 17 shirt when he was hit with 12-match ban following two separate acts of violent conduct against Manchester City on the final day of last season.