Depay will come off contract at Lyon during the Euros and is being linked with a move to Barca.
Blaugrana midfielder De Jong, responding to question from Sport, said: "I speak with him about Barça, but he's the one that had to make the decision.
"We will see what happens. Yes, we've spoken about Barça, but logically he's the one that has to decide."
De Jong was speaking in a news conference with international teammate Davy Klaasen.