forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mmc: MMC 4.4 DDR support

Browse source 
Add support for Dual Data Rate MMC cards as defined in the 4.4
specification.

Signed-off-by: Hanumath Prasad <hanumath.prasad@stericsson.com>
Cc: linux-mmc@vger.kernel.org
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Tested-by Zhangfei Gao <zhangfei.gao@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Hanumath Prasad 2010-09-30 17:37:23 -04:00 • committed by Chris Ball
parent 99fc513101
commit dfc13e8402
6 changed files with 60 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

4
include/linux/mmc/host.h
View file

@ -158,6 +158,10 @@ struct mmc_host {
#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */
#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */
#define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */
#define MMC_CAP_1_8V_DDR (1 << 11) /* can support */
/* DDR mode at 1.8V */
#define MMC_CAP_1_2V_DDR (1 << 12) /* can support */
/* DDR mode at 1.2V */
mmc_pm_flag_t pm_caps; /* supported pm features */