2 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 56f4d9234a66..539327260dc1 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -83,6 +83,10 @@ struct sd_switch_caps {
         unsigned int            hs_max_dtr;
         unsigned int            sd3_bus_mode;
         unsigned int            sd3_drv_type;
+#define SD_DRIVER_TYPE_B        0x01
+#define SD_DRIVER_TYPE_A        0x02
+#define SD_DRIVER_TYPE_C        0x04
+#define SD_DRIVER_TYPE_D        0x08
         unsigned int            sd3_curr_limit;
 };
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index bde5a0b1c47e..949e4d525989 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -61,6 +61,13 @@ struct mmc_ios {
 
 #define MMC_SIGNAL_VOLTAGE_330  0
 #define MMC_SIGNAL_VOLTAGE_180  1
+
+        unsigned char   drv_type;               /* driver type (A, B, C, D) */
+
+#define MMC_SET_DRIVER_TYPE_B   0
+#define MMC_SET_DRIVER_TYPE_A   1
+#define MMC_SET_DRIVER_TYPE_C   2
+#define MMC_SET_DRIVER_TYPE_D   3
 };
 
 struct mmc_host_ops {
@@ -188,6 +195,9 @@ struct mmc_host {
 #define MMC_CAP_SET_XPC_330     (1 << 20)       /* Host supports >150mA current at 3.3V */
 #define MMC_CAP_SET_XPC_300     (1 << 21)       /* Host supports >150mA current at 3.0V */
 #define MMC_CAP_SET_XPC_180     (1 << 22)       /* Host supports >150mA current at 1.8V */
+#define MMC_CAP_DRIVER_TYPE_A   (1 << 23)       /* Host supports Driver Type A */
+#define MMC_CAP_DRIVER_TYPE_C   (1 << 24)       /* Host supports Driver Type C */
+#define MMC_CAP_DRIVER_TYPE_D   (1 << 25)       /* Host supports Driver Type D */
 
         mmc_pm_flag_t           pm_caps;        /* supported pm features */