tree ac5d0eada6cd66d544a48e73e19fcc942cd65adc
parent 6150be9094bb155022da3843b56e6314edf54305
author Michal Simek <michal.simek@xilinx.com> 1460636149 +0200
committer Heiko Schocher <hs@denx.de> 1463466529 +0200

i2c: cdns: Support different bus speeds

400kHz is maximum freq which can be used on Xilinx ZynqMP.
Support it with standard divider calculator.
Input freq is hardcoded to 100MHz input freq till we have clock driver
which can provide this information for exact configuration.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Heiko Schocher <hs@denx.de>