How to calculate link frequency for RK3399

Board based on the Rockchip RK3399 - ARM Cortex-A72 Dual-core up to 1.8GHz + Cortex A53 Quad-core up to 1.4GHz

Hi ,
i am trying to interface Grey Sensor with RK3399. sensor is streaming at 480mhz (640x480@112fps) .

Did anyone aware , how to calculate link frequency at dphy side?
if i set link frequency with 480mhz , i am getting “rkisp1: MIPI mis error: 0x00000303” continuously .