mmc: stm32: sdmmc2: add support for st, pin-ckinsdmmc_ckin
authorPatrick Delaunay <patrick.delaunay@st.com>
Wed, 7 Feb 2018 16:19:59 +0000 (17:19 +0100)
committerTom Rini <trini@konsulko.com>
Wed, 14 Mar 2018 01:45:37 +0000 (21:45 -0400)
commit167f2c90f6b4b0561db610fb24f9a5519e0baefd
tree1c5e85d1d53750d0b0c46bcd7a88696bcc10013a
parenta72dd8ed95992be67a03073dd28dad27618e5a39
mmc: stm32: sdmmc2: add support for st, pin-ckinsdmmc_ckin

This patch adds "st,pin-ckin" support to activate sdmmc_ckin feature.
When using an external driver (a voltage switch transceiver),
it's advised to select SDMMC_CKIN feedback clock input to sample
the received data.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
drivers/mmc/stm32_sdmmc2.c