tree 3543805a7168c033290c08759e796c7b7bc469c8
parent 95be76eb5ce0d807d5b1b360efbac11f16a819af
author Jagan Teki <jagan@amarulasolutions.com> 1563278247 +0530
committer Kever Yang <kever.yang@rock-chips.com> 1563638384 +0800

ram: rk3399: Update lpddr4 mode_sel based on io settings

The mode_sel on lpddr4 value is depending on IO settings
of rd_vref.

Add support for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>