diff options
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 { #define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */ #define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */ + +/* + * SD bus widths + */ +#define SD_BUS_WIDTH_1 0 +#define SD_BUS_WIDTH_4 2 + #endif /* MMC_MMC_PROTOCOL_H */ |