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-rw-r--r--include/mmc.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h
index 8c29c8d4ab..1a9efe4c38 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -466,6 +466,16 @@ struct dm_mmc_ops {
/* set_enhanced_strobe() - set HS400 enhanced strobe */
int (*set_enhanced_strobe)(struct udevice *dev);
#endif
+
+ /**
+ * host_power_cycle - host specific tasks in power cycle sequence
+ * Called between mmc_power_off() and
+ * mmc_power_on()
+ *
+ * @dev: Device to check
+ * @return 0 if not present, 1 if present, -ve on error
+ */
+ int (*host_power_cycle)(struct udevice *dev);
};
#define mmc_get_ops(dev) ((struct dm_mmc_ops *)(dev)->driver->ops)
@@ -477,6 +487,7 @@ int dm_mmc_get_cd(struct udevice *dev);
int dm_mmc_get_wp(struct udevice *dev);
int dm_mmc_execute_tuning(struct udevice *dev, uint opcode);
int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us);
+int dm_mmc_host_power_cycle(struct udevice *dev);
/* Transition functions for compatibility */
int mmc_set_ios(struct mmc *mmc);
@@ -485,6 +496,7 @@ int mmc_getwp(struct mmc *mmc);
int mmc_execute_tuning(struct mmc *mmc, uint opcode);
int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us);
int mmc_set_enhanced_strobe(struct mmc *mmc);
+int mmc_host_power_cycle(struct mmc *mmc);
#else
struct mmc_ops {
@@ -494,6 +506,7 @@ struct mmc_ops {
int (*init)(struct mmc *mmc);
int (*getcd)(struct mmc *mmc);
int (*getwp)(struct mmc *mmc);
+ int (*host_power_cycle)(struct mmc *mmc);
};
#endif