North Korean leader Kim Jong-un has reportedly committed to his country participating at Tokyo 2020 and Beijing 2022 during a meeting with International Olympic Committee (IOC) President Thomas Bach.
Trump is then due to meet Kim before the end of May for talks on Pyongyang's denuclearisation.
North Korea's official Korean Central News Agency on Saturday said Bach expressed his "heartfelt thanks" to Kim over the North's participation at Pyeongchang, which made the event "symbolic of peace".
The isolated regime rarely hosts foreign dignitaries but recent weeks have seen a flurry of diplomacy, with Kim making his first foreign trip as leader to meet Chinese President Xi Jinping and inviting him to visit Pyongyang.
Bach said he had a 30-minute formal meeting with the North Korean leader followed by 45 minutes of casual discussions while watching a football match on Friday at Pyongyang's May Day Stadium.
"The supreme leader of DPRK is considering support (for sports development)".
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He said he hoped that the IOC's relationship with the North's Olympic Committee would continue to develop favourably and expected cooperation in developing and improving sport in North Korea, the report added.
He said the Pyeongchang Games was "meaningful" in that "it "laid a new chapter of harmony between the South and North", and provided an opportunity to "dramatically thaw frozen relations between the two Koreas".
"We have an agreement with regard to the participation of athletes from DPRK in the Olympic Games at Tokyo in 2020 as well as the Winter Olympic Games of Beijing in 2022".
"The IOC will make a proposal for a potential joint march, for potential other joint activities for Tokyo and maybe also for Beijing, at the appropriate time", he said.
Both the North and South have hailed the Pyeongchang games as a significant step toward easing tensions on the Korean Peninsula that reached dangerously high levels previous year as the North stepped up its missile tests and detonated its largest nuclear device to date.
He also met the figure skating pair, Ryom Tae-ok and Kim Ju-sik, who had competed in the Olympic Winter Games PyeongChang 2018.
North and South Korea plan to hold a rare summit on April 27.