2 files changed, 24 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 539327260dc1..4ef6ded6347d 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -81,7 +81,24 @@ struct sd_ssr {
 
 struct sd_switch_caps {
         unsigned int            hs_max_dtr;
+        unsigned int            uhs_max_dtr;
+#define UHS_SDR104_MAX_DTR      208000000
+#define UHS_SDR50_MAX_DTR       100000000
+#define UHS_DDR50_MAX_DTR       50000000
+#define UHS_SDR25_MAX_DTR       UHS_DDR50_MAX_DTR
+#define UHS_SDR12_MAX_DTR       25000000
         unsigned int            sd3_bus_mode;
+#define UHS_SDR12_BUS_SPEED     0
+#define UHS_SDR25_BUS_SPEED     1
+#define UHS_SDR50_BUS_SPEED     2
+#define UHS_SDR104_BUS_SPEED    3
+#define UHS_DDR50_BUS_SPEED     4
+
+#define SD_MODE_UHS_SDR12       (1 << UHS_SDR12_BUS_SPEED)
+#define SD_MODE_UHS_SDR25       (1 << UHS_SDR25_BUS_SPEED)
+#define SD_MODE_UHS_SDR50       (1 << UHS_SDR50_BUS_SPEED)
+#define SD_MODE_UHS_SDR104      (1 << UHS_SDR104_BUS_SPEED)
+#define SD_MODE_UHS_DDR50       (1 << UHS_DDR50_BUS_SPEED)
         unsigned int            sd3_drv_type;
 #define SD_DRIVER_TYPE_B        0x01
 #define SD_DRIVER_TYPE_A        0x02
@@ -166,6 +183,8 @@ struct mmc_card {
         const char              **info;         /* info strings */
         struct sdio_func_tuple  *tuples;        /* unknown common tuples */
 
+        unsigned int            sd_bus_speed;   /* Bus Speed Mode set for the card */
+
         struct dentry           *debugfs_root;
 };
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 949e4d525989..62375992bdd6 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -50,6 +50,11 @@ struct mmc_ios {
 #define MMC_TIMING_LEGACY       0
 #define MMC_TIMING_MMC_HS       1
 #define MMC_TIMING_SD_HS        2
+#define MMC_TIMING_UHS_SDR12    MMC_TIMING_LEGACY
+#define MMC_TIMING_UHS_SDR25    MMC_TIMING_SD_HS
+#define MMC_TIMING_UHS_SDR50    3
+#define MMC_TIMING_UHS_SDR104   4
+#define MMC_TIMING_UHS_DDR50    5
 
         unsigned char   ddr;                    /* dual data rate used */