diff options
| author | Pierre Ossman <drzeus-list@drzeus.cx> | 2005-09-06 18:18:55 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 19:57:51 -0400 |
| commit | f218278a456b3c272b480443c89004c3d2a49f18 (patch) | |
| tree | 8d9558816488311e06a7ad2434e342418f2c79d5 /include/linux/mmc/protocol.h | |
| parent | a9c4342beb4cd28b3a05c3401195e2536c37c150 (diff) | |
[PATCH] sd: SD 4-bit bus
Infrastructure for 4-bit bus transfers with SD cards.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/mmc/protocol.h')
| -rw-r--r-- | include/linux/mmc/protocol.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h index 896342817b97..f819cae92266 100644 --- a/include/linux/mmc/protocol.h +++ b/include/linux/mmc/protocol.h | |||
| @@ -236,5 +236,12 @@ struct _mmc_csd { | |||
| 236 | #define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */ | 236 | #define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */ |
| 237 | #define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */ | 237 | #define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */ |
| 238 | 238 | ||
| 239 | |||
| 240 | /* | ||
| 241 | * SD bus widths | ||
| 242 | */ | ||
| 243 | #define SD_BUS_WIDTH_1 0 | ||
| 244 | #define SD_BUS_WIDTH_4 2 | ||
| 245 | |||
| 239 | #endif /* MMC_MMC_PROTOCOL_H */ | 246 | #endif /* MMC_MMC_PROTOCOL_H */ |
| 240 | 247 | ||