Ethernet PHY IC datasheet of Jetson TX1

Hi everybody,
I am looking for Ethernet PHY IC datasheet of Jetson TX1 (or document about PHY IC, …). I try to find information about this, but i cannot find anywhere.
It is very kind if some one can give me some information about this.
Thank in advance.
Best regards.

It is Realtek RTL8153, here is the link: http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=56&PFid=56&Level=5&Conn=4&DownTypeID=3&GetDown=false#RTL8153