Commits
Kever Yang committed fd4b2dc0599
clock: rk3399: add support for dwmmc 400K MMC core will use 400KHz for card initialize first and then switch to higher frequency like 50MHz, we need to support both 400KHz and about 50MHz for dwmmc controller. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org>