Commits
Haibo Chen committed 5c04e95ca6c
LF-311 ARM: dts: imx6sx: add tuning step and tuning start tap for usdhc If usdhc want to support SDR104/HS200, it need to do tuning, so need to config the tuning step and tuning start tap. Otherwise some card may meet tuning issue as the following log show: mmc2: Tuning failed, falling back to fixed sampling clock Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>