Should I get my 4 year old child to learn Hanyu Pinyin (Mandarin phonics)?

Normally HYPY will be introduced when the child enters Kindergarten 2 (K2), after they establish a good english phonics foundation. If HYPY is introduced too early, it might cause confusion in the child where the PIN YIN are very similar to Phonics. For me, chinese words recognition is more important than knowing how to read the HYPY as learning Chinese is different from learning other language. If reliance too much on HYPY it will cause child unable to read Chinse words without HYPY.