Merge tag 'mmc-10-10-2019' of https://gitlab.denx.de/u-boot/custodians/u-boot-mmc

- Add sdhci driver for Broadcom iProc platform
- Add a driver callback for power-cycle for mmc
- Implement host_power_cycle callback for stm32_sdmmc2
- spl: dm_mmc: Initialize only the required mmc device

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
 
@@ -698,6 +711,7 @@ void mmc_destroy(struct mmc *mmc);
  */
 int mmc_unbind(struct udevice *dev);
 int mmc_initialize(bd_t *bis);
+int mmc_init_device(int num);
 int mmc_init(struct mmc *mmc);
 int mmc_send_tuning(struct mmc *mmc, u32 opcode, int *cmd_error);