diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
index fbde89105245bc4668b17823af31163d8a4304e4..dd620c19c6192f200ecfb1a83d77a08580e84a4b 100644
--- a/drivers/mtd/nand/nand_ids.c
+++ b/drivers/mtd/nand/nand_ids.c
@@ -178,6 +178,7 @@ struct nand_manufacturers nand_manuf_ids[] = {
 	{NAND_MFR_EON, "Eon"},
 	{NAND_MFR_SANDISK, "SanDisk"},
 	{NAND_MFR_INTEL, "Intel"},
+	{NAND_MFR_ATO, "ATO"},
 	{0x0, "Unknown"}
 };
 
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index b14d190b593a7687bbc7c3841f11adedc0410217..3d4ea7eb2b68b9681a77c161669a1944994d4431 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -736,6 +736,7 @@ struct nand_chip {
 #define NAND_MFR_EON		0x92
 #define NAND_MFR_SANDISK	0x45
 #define NAND_MFR_INTEL		0x89
+#define NAND_MFR_ATO		0x9b
 
 /* The maximum expected count of bytes in the NAND ID sequence */
 #define NAND_MAX_ID_LEN 8