If you grew up in a family that did not celebrate Christmas or do not celebrate as an adult, how do you handle gifts, Santa etc with kids? How did your parents handle it?

My son is finally the age where he understands that kids in his school get presents, have trees etc and wants those things himself. I am trying to decide what approach to take. FWIW, both DH and I are Hindus but not particularly religious. This year, we are traveling so it is not a big deal but I want to hear from you wise folk.