Lots of developers aren't "passionate", at least about software development. (https://codewithoutrules.com/2016/11/30/not-a-passionate-pro...)
And there's a good argument to be made that you shouldn't be passionate about software development: http://www.virtuouscode.com/2014/02/10/the-passion-gospel/
Creativity is not "all about passion". It's a skill you can apply with or without passion.