--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1159,6 +1160,9 @@
 	{ "by25q128as", INFO(0x684018, 0, 64 * 1024, 256,
 		SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 		FLASH_DEFAULT_CLOCK_FREQ)},
+	{ "by25q64as", INFO(0x684017, 0, 64 * 1024, 128,
+		SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+		FLASH_DEFAULT_CLOCK_FREQ)},
 	{ },
 };