Hikey 960, max frequency for SPI clock on low speed connector (SPI2 interface)



We are currently connected our DUT to Hikey 960 low speed connector and need to use SPI2 instance.
But notice the max speed to be at 500KHz. could you please confirm upto what speed this interface works reliably? Can we operate it at 16MHz?


The SoC reference manual [1] says:

SPI Five groups of SPIs (master), up to 30 Mbit/s rate

[1] https://www.96boards.org/documentation/consumer/hikey960/hardware-docs/


I am trying to use SPI2 (on LS) and SPI3 (on HS) @25MHz clock speed. Has any successful trying higher clock frequency for SPI2 and SPI3?