How do you set a texture to tile in Sprite Kit

Afaik, there is no way to create sprite with tiled texture. But what you can do, is render lot's of sprites in a single drawing pass.

From Apple's documentation (Sprite Kit Best Practices -> Drawing your content):

If all of the children of a node use the same blend mode and texture atlas, then Sprite Kit can usually draw these sprites in a single drawing pass. On the other hand, if the children are organized so that the drawing mode changes for each new sprite, then Sprite Kit might perform as one drawing pass per sprite, which is quite inefficient.