[v4, 00/11] mmc: fsl_esdhc: support eMMC HS200/HS400 modes

[Yangbo Lu]

This patch-set is to support eMMC HS200 and HS400 speed modes for
eSDHC, and enable them on LX2160ARDB board.

CI build link
https://travis-ci.org/github/yangbolu1991/u-boot-test/builds/720875619

Changes for v2:
	- Added two patches to fix stability issue.
Changes for v3:
	- Explained more in commit messages.
	- Added HS400 exit code for downgrade.
Changes for v4:
	- Checked returning of mmc_hs400_prepare_ddr().
	- Added Reviewed-by.
	- Rebased.

Yangbo Lu (11):
  mmc: add a reinit() API
  mmc: fsl_esdhc: add a reinit() callback
  mmc: fsl_esdhc: support tuning for eMMC HS200
  mmc: fsl_esdhc: clean TBCTL[TB_EN] manually during init
  mmc: add a hs400_tuning flag
  mmc: add a mmc_hs400_prepare_ddr() interface
  mmc: fsl_esdhc: support eMMC HS400 mode
  mmc: fsl_esdhc: fix mmc->clock with actual clock
  mmc: fsl_esdhc: fix eMMC HS400 stability issue
  arm: dts: lx2160ardb: support eMMC HS400 mode
  configs: lx2160ardb: enable eMMC HS400 mode support

 arch/arm/dts/fsl-lx2160a-rdb.dts             |   2 +
 configs/lx2160ardb_tfa_SECURE_BOOT_defconfig |   1 +
 configs/lx2160ardb_tfa_defconfig             |   1 +
 configs/lx2160ardb_tfa_stmm_defconfig        |   1 +
 drivers/mmc/fsl_esdhc.c                      | 176 ++++++++++++++++++++++++++-
 drivers/mmc/mmc-uclass.c                     |  30 +++++
 drivers/mmc/mmc.c                            |  14 ++-
 include/fsl_esdhc.h                          |  29 ++++-
 include/mmc.h                                |  26 +++-
 9 files changed, 270 insertions(+), 10 deletions(-)

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2.7.4