diff options
| author | Hanumath Prasad <hanumath.prasad@stericsson.com> | 2010-09-30 17:37:23 -0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2010-10-23 21:11:16 +0800 |
| commit | dfc13e8402c75e7c2e0a52e123c0500a3259866b (patch) | |
| tree | 29a0f5daeb300da027bb0ed9c042fffd214b078f /include/linux/mmc/host.h | |
| parent | 99fc5131018cbdc3cf42ce09fb394a4e8b053c74 (diff) | |
mmc: MMC 4.4 DDR support
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>
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index ccac56ae1286..6711eb8715ba 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -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 */ |