diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
index 09341af..e5280ac 100644
--- a/drivers/serial/serial_imx.c
+++ b/drivers/serial/serial_imx.c
@@ -288,6 +288,9 @@
 		.compatible = "fsl,imx8mq-uart",
 		.data = &imx21_data,
 	}, {
+		.compatible = "fsl,imx8mm-uart",
+		.data = &imx21_data,
+	}, {
 		/* sentinel */
 	}
 };