diff --git a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
index cffa8991880d..62d16b1d7c5b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
+++ b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
@@ -438,10 +438,12 @@
 #define MX8MM_IOMUXC_SAI2_RXC_SIM_M_HSIZE1                                  0x1B4 0x41C 0x000 0x7 0x0
 #define MX8MM_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0                                0x1B8 0x420 0x000 0x0 0x0
 #define MX8MM_IOMUXC_SAI2_RXD0_SAI5_TX_DATA0                                0x1B8 0x420 0x000 0x1 0x0
+#define MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B                              0x1B8 0x420 0x4F0 0x4 0x2
 #define MX8MM_IOMUXC_SAI2_RXD0_GPIO4_IO23                                   0x1B8 0x420 0x000 0x5 0x0
 #define MX8MM_IOMUXC_SAI2_RXD0_SIM_M_HSIZE2                                 0x1B8 0x420 0x000 0x7 0x0
 #define MX8MM_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC                                 0x1BC 0x424 0x000 0x0 0x0
 #define MX8MM_IOMUXC_SAI2_TXFS_SAI5_TX_DATA1                                0x1BC 0x424 0x000 0x1 0x0
+#define MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B                              0x1BC 0x424 0x4F0 0x4 0x2
 #define MX8MM_IOMUXC_SAI2_TXFS_GPIO4_IO24                                   0x1BC 0x424 0x000 0x5 0x0
 #define MX8MM_IOMUXC_SAI2_TXFS_SIM_M_HWRITE                                 0x1BC 0x424 0x000 0x7 0x0
 #define MX8MM_IOMUXC_SAI2_TXC_SAI2_TX_BCLK                                  0x1C0 0x428 0x000 0x0 0x0