The 19-year-old has made one first-team appearance for Spurs, coming on as a substitute during an EFL Cup win over Gillingham in 2016, but has struggled to break in since and has joined Norwich on loan until the end of the season.
Farke is happy with his arrival, telling his club’s website: “Marcus is a young player with huge potential.
“He is rated as one of the biggest talents in English football but will need some time to adapt to a new surrounding and to the physical game in the Championship.”
Edwards said on Norwich City TV: “I’m really excited and can’t wait to help the team. When I spoke to the manager, he made me feel welcome and explained how he wanted to play.”
Edwards is ineligible for the club’s FA Cup third-round replay with Chelsea on Wednesday.
Cardiff remain unhappy with Derby's decision to postpone Sunday's Sky Bet Championship game at Pride Park.
Dundee United boss Csaba Laszlo has been left hoping for St Mirren to slip up in the race to seal promotion to the Ladbrokes Premiership.
Crewe will consider starting Chris Dagnall when they host Forest Green on Tuesday.