dt-bindings: phy: Add documentation for NSP USB3 PHY

Add documentation for USB3 PHY available in Northstar plus SoC

Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Yendapally Reddy Dhananjaya Reddy 2017-01-17 11:14:27 -05:00 • committed by Kishon Vijay Abraham I
commit c8ca631f94