ram: rk3399: Update lpddr4 vref_mode_ac
authorJagan Teki <jagan@amarulasolutions.com>
Tue, 16 Jul 2019 11:57:28 +0000 (17:27 +0530)
committerKever Yang <kever.yang@rock-chips.com>
Sat, 20 Jul 2019 15:59:44 +0000 (23:59 +0800)
commite939f92eae5b6524c18cbb4a42f4cc3910e5d018
treea3458c4bb22899ffbde489020f6060362d8516e5
parent274c33737bcb49d9120ea222ba1a434d3fdca1c7
ram: rk3399: Update lpddr4 vref_mode_ac

Update vref_mode_ac for lpddr4 based on VDDQ/3/2=16.8%

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>
drivers/ram/rockchip/sdram_rk3399.c