GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-22 23:04:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

mmc: core: add support for eMMC Dual Data Rate

Browse source 
eMMC voltage change not required for 1.8V.  3.3V and 1.8V vcc
are capable of doing DDR. vccq of 1.8v is not required.

Signed-off-by: Philip Rakity <prakity@marvell.com>
Reviewed-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Philip Rakity 2011-05-13 11:17:18 +05:30 • committed by Chris Ball
parent 261bbd463a
commit 4c4cb17105
4 changed files with 33 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/linux/mmc/host.h
View file

@ -66,6 +66,7 @@ struct mmc_ios {
#define MMC_SIGNAL_VOLTAGE_330 0
#define MMC_SIGNAL_VOLTAGE_180 1
#define MMC_SIGNAL_VOLTAGE_120 2
unsigned char drv_type; /* driver type (A, B, C, D) */