diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2018-06-27 10:15:33 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-07-19 16:31:35 -0400 |
| commit | 7d118161bbfbeb21ff2f6bf8ccc3cc0a8dd6ddc6 (patch) | |
| tree | 818cf8221f8ebb8175308f51f83c33f979c24014 /drivers/sysreset/sysreset_watchdog.c | |
| parent | 14acea0244e33c4522fa3ea774bb3e76fa9e4fb4 (diff) | |
mmc: stm32_sdmmc2: update pwron management
Correctly manage the SDMMC reset and card cycle power
to fully handle the power cycle added in the MMC uclass
and avoid issue with level-shifter with some uSDCARD.
3 states managed in driver:
1/ reset: SDMMC disable, signal HiZ
2/ power-cycle: SDMMC disable, signals drive to 0
3/ power-on: SDMMC enabled
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'drivers/sysreset/sysreset_watchdog.c')
0 files changed, 0 insertions, 0 deletions