Add UniPhier SD/eMMC controller support.

As a preparation, I changed tmio_mmc_set_clock() to a platform hook.
The clock rate setting is platform-specific, and UniPhier variants
will add another way.  I thought it would be better to split this
to a hook to avoid a mess.



Masahiro Yamada (7):
  mmc: tmio: replace tmio_mmc_clk_stop() calls with tmio_mmc_set_clock()
  mmc: tmio: move tmio_mmc_set_clock() to platform hook
  dt-bindings: mmc: add DT binding for UniPhier SD/eMMC controller
  mmc: uniphier-sd: add UniPhier SD/eMMC controller driver
  mmc: renesas_sdhi: merge clk_{start,stop} functions to set_clock
  mmc: renesas_sdhi: refactor CLK_CTL bit calculation
  mmc: tmio: refactor CLK_CTL bit calculation

 .../devicetree/bindings/mmc/uniphier-sd.txt        |  60 ++
 MAINTAINERS                                        |   1 +
 drivers/mmc/host/Kconfig                           |  10 +
 drivers/mmc/host/Makefile                          |   1 +
 drivers/mmc/host/renesas_sdhi_core.c               |  40 +-
 drivers/mmc/host/tmio_mmc.c                        |  56 ++
 drivers/mmc/host/tmio_mmc.h                        |   4 +-
 drivers/mmc/host/tmio_mmc_core.c                   |  79 +--
 drivers/mmc/host/uniphier-sd.c                     | 694 +++++++++++++++++++++
 9 files changed, 869 insertions(+), 76 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mmc/uniphier-sd.txt
 create mode 100644 drivers/mmc/host/uniphier-sd.c

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2.7.4