diff -puN drivers/mtd/nand/plat_nand.c~mtd-plat_nand-allow-platform-to-set-partitions drivers/mtd/nand/plat_nand.c
--- a/drivers/mtd/nand/plat_nand.c~mtd-plat_nand-allow-platform-to-set-partitions
+++ a/drivers/mtd/nand/plat_nand.c
@@ -93,6 +93,8 @@ static int __devinit plat_nand_probe(str
 			return 0;
 		}
 	}
+	if (pdata->chip.set_parts)
+		pdata->chip.set_parts(data->mtd.size, &pdata->chip);
 	if (pdata->chip.partitions) {
 		data->parts = pdata->chip.partitions;
 		res = add_mtd_partitions(&data->mtd, data->parts,
diff -puN include/linux/mtd/nand.h~mtd-plat_nand-allow-platform-to-set-partitions include/linux/mtd/nand.h
--- a/include/linux/mtd/nand.h~mtd-plat_nand-allow-platform-to-set-partitions
+++ a/include/linux/mtd/nand.h
@@ -563,6 +563,7 @@ extern int nand_do_read(struct mtd_info 
  * @options:		Option flags, e.g. 16bit buswidth
  * @ecclayout:		ecc layout info structure
  * @part_probe_types:	NULL-terminated array of probe types
+ * @set_parts:		platform specific function to set partitions
  * @priv:		hardware controller specific settings
  */
 struct platform_nand_chip {
@@ -574,6 +575,8 @@ struct platform_nand_chip {
 	int			chip_delay;
 	unsigned int		options;
 	const char		**part_probe_types;
+	void			(*set_parts)(uint64_t size,
+					struct platform_nand_chip *chip);
 	void			*priv;
 };