diff --git a/include/ahci.h b/include/ahci.h
index a956c6f..4876b41 100644
--- a/include/ahci.h
+++ b/include/ahci.h
@@ -145,7 +145,7 @@
 };
 
 struct ahci_probe_ent {
-#ifdef CONFIG_DM_PCI
+#if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI)
 	struct udevice *dev;
 #else
 	pci_dev_t	dev;
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index eb78c4d..8c92d0b 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -66,6 +66,7 @@
 	UCLASS_REMOTEPROC,	/* Remote Processor device */
 	UCLASS_RESET,		/* Reset controller device */
 	UCLASS_RTC,		/* Real time clock device */
+	UCLASS_SCSI,		/* SCSI device */
 	UCLASS_SERIAL,		/* Serial UART */
 	UCLASS_SPI,		/* SPI bus */
 	UCLASS_SPMI,		/* System Power Management Interface bus */
diff --git a/include/sata.h b/include/sata.h
index b35359a..d18cc9a 100644
--- a/include/sata.h
+++ b/include/sata.h
@@ -2,6 +2,7 @@
 #define __SATA_H__
 #include <part.h>
 
+#if !defined(CONFIG_DM_SCSI)
 int init_sata(int dev);
 int reset_sata(int dev);
 int scan_sata(int dev);
@@ -15,5 +16,6 @@
 int sata_port_status(int dev, int port);
 
 extern struct blk_desc sata_dev_desc[];
+#endif
 
 #endif
diff --git a/include/scsi.h b/include/scsi.h
index c879678..190dacd 100644
--- a/include/scsi.h
+++ b/include/scsi.h
@@ -166,8 +166,11 @@
 void scsi_print_error(ccb *pccb);
 int scsi_exec(ccb *pccb);
 void scsi_bus_reset(void);
+#if !defined(CONFIG_DM_SCSI)
 void scsi_low_level_init(int busdevfunc);
-
+#else
+void scsi_low_level_init(int busdevfunc, struct udevice *dev);
+#endif
 
 /***************************************************************************
  * functions residing inside cmd_scsi.c
@@ -175,6 +178,21 @@
 void scsi_init(void);
 int scsi_scan(int mode);
 
+#if defined(CONFIG_DM_SCSI)
+/**
+ * struct scsi_platdata - stores information about SCSI controller
+ *
+ * @base: Controller base address
+ * @max_lun: Maximum number of logical units
+ * @max_id: Maximum number of target ids
+ */
+struct scsi_platdata {
+	unsigned long base;
+	unsigned long max_lun;
+	unsigned long max_id;
+};
+#endif
+
 #define SCSI_IDENTIFY					0xC0  /* not used */
 
 /* Hardware errors  */