[U-Boot] [PATCH 20/22] mmc: Add support for UHS modes

[Simon Glass]

On 12 May 2017 at 12:16, Jean-Jacques Hiblot <jjhiblot at ti.com> wrote:
> Add UHS modes to the list of supported modes, get the UHS capabilites of
> the SDcard and implement the procedure to switch the voltage (UHS modes
> use 1v8 IO lines)
> During the voltage switch procedure, DAT0 is used by the card to signal
> when it's ready. The optional card_busy() callback can be used to get this
> information from the host driver.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
> ---
>  drivers/mmc/mmc.c | 169 +++++++++++++++++++++++++++++++++++++++++++++++++++---
>  include/mmc.h     |  27 ++++++++-
>  2 files changed, 188 insertions(+), 8 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>