In the original stories from Mesopotamia Enki was the god of wisdom and cunning he was also the god of the earth and water. He was also described as being a serpent. Some scholars and archeologists believe he was the serpent in the garden of eden story. Other believe he may have been the god testing Adam and another lesser god also described as a serpent is who talked to Eve.
In stories about Enki he did have a garden and he also had a man named Adamu which was the care taker of the garden.