diff --git a/drivers/mtd/spi-nor/xmc.c b/drivers/mtd/spi-nor/xmc.c
index 747c0577aecf..c2a5ccbfee01 100644
--- a/drivers/mtd/spi-nor/xmc.c
+++ b/drivers/mtd/spi-nor/xmc.c
@@ -37,6 +37,9 @@ static const struct flash_info xmc_nor_parts[] = {
 	{ "XM25QU128C", INFO(0x204118, 0, 64 * 1024, 256)
 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
 			      SPI_NOR_QUAD_READ) },
+	{ "XM25QU256C", INFO(0x204119, 0, 64 * 1024, 512)
+		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
+			      SPI_NOR_QUAD_READ) },
 };
 
 const struct spi_nor_manufacturer spi_nor_xmc = {