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(parent: c217087) | patch
LF-311 ARM: dts: imx6sx: add tuning step and tuning start tap for usdhc
authorHaibo Chen <haibo.chen@nxp.com>
Wed, 18 Dec 2019 07:49:00 +0000 (15:49 +0800)
committerDong Aisheng <aisheng.dong@nxp.com>
Mon, 14 Dec 2020 03:21:54 +0000 (11:21 +0800)
commit513ec462680e03c197e90ad7eec092834f9a3827
tree110a297bdd8a2c55184accd03abafa45d6d780cbtree
parentc2170871a3b117fc04c45ae01de735ba4c9a0004commit | diff
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>
arch/arm/boot/dts/imx6sx.dtsi diff | blob | history