arm64: dts: imx8mp: Add DH i.MX8MP DHCOM SoM on DRC02 carrier board

Add support for DH electronics i.MX8MP DHCOM SoM on DRC02 carrier board.
This system is populated with two ethernet ports, two CANs, RS485 and RS232,
USB, capacitive buttons and an OLED display.

Matching Linux kernel patch has been posted:
https://lore.kernel.org/imx/20240925160343.84388-2-marex@denx.de/



Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>

arch/arm/dts/Makefile

@@ -968,6 +968,7 @@ dtb-$(CONFIG_ARCH_IMX8M) += \
 	imx8mp-dhcom-som-overlay-eth2xfast.dtbo \
 	imx8mp-dhcom-pdk-overlay-eth2xfast.dtbo \
 	imx8mp-debix-model-a.dtb \
+	imx8mp-dhcom-drc02.dtb \
 	imx8mp-dhcom-pdk2.dtb \
 	imx8mp-dhcom-pdk3.dtb \
 	imx8mp-dhcom-pdk3-overlay-rev100.dtbo \

arch/arm/dts/imx8mp-dhcom-drc02-u-boot.dtsi

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2024 Marek Vasut <marex@denx.de>
+ */
+
+#include "imx8mp-dhcom-u-boot.dtsi"

arch/arm/dts/imx8mp-dhcom-drc02.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2024 Marek Vasut <marex@denx.de>
+ *
+ * DHCOM iMX8MP variant:
+ * DHCM-iMX8ML8-C160-R204-F1638-SPI16-E2-CAN2-RTC-I-01D2
+ * DHCOM PCB number: 660-100 or newer
+ * DRC02 PCB number: 568-100 or newer
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include "imx8mp-dhcom-som.dtsi"
+
+/ {
+	model = "DH electronics i.MX8M Plus DHCOM on DRC02";
+	compatible = "dh,imx8mp-dhcom-drc02", "dh,imx8mp-dhcom-som",
+		     "fsl,imx8mp";
+
+	chosen {
+		stdout-path = &uart1;
+	};
+};
+
+&eqos {	/* First ethernet */
+	pinctrl-0 = <&pinctrl_eqos_rmii>;
+	phy-handle = <&ethphy0f>;
+	phy-mode = "rmii";
+
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>,
+				 <&clk IMX8MP_SYS_PLL2_100M>,
+				 <&clk IMX8MP_SYS_PLL2_50M>;
+	assigned-clock-rates = <0>, <100000000>, <50000000>;
+};
+
+&ethphy0g {	/* Micrel KSZ9131RNXI */
+	status = "disabled";
+};
+
+&ethphy0f {	/* SMSC LAN8740Ai */
+	status = "okay";
+};
+
+&fec {	/* Second ethernet */
+	pinctrl-0 = <&pinctrl_fec_rmii>;
+	phy-handle = <&ethphy1f>;
+	phy-mode = "rmii";
+	status = "okay";
+
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>,
+				 <&clk IMX8MP_SYS_PLL2_100M>,
+				 <&clk IMX8MP_SYS_PLL2_50M>,
+				 <&clk IMX8MP_SYS_PLL2_50M>;
+	assigned-clock-rates = <0>, <100000000>, <50000000>, <0>;
+};
+
+&ethphy1f {	/* SMSC LAN8740Ai */
+	status = "okay";
+};
+
+&flexcan1 {
+	status = "okay";
+};
+
+&flexcan2 {
+	status = "okay";
+};
+
+&gpio1 {
+	gpio-line-names =
+		"DRC02-In1", "", "", "", "", "DHCOM-I", "DRC02-HW2", "DRC02-HW0",
+		"DHCOM-B", "DHCOM-A", "", "DHCOM-H", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "";
+
+	/*
+	 * NOTE: On DRC02, the RS485_RX_En is controlled by a separate
+	 * GPIO line, however the i.MX8 UART driver assumes RX happens
+	 * during TX anyway and that it only controls drive enable DE
+	 * line. Hence, the RX is always enabled here.
+	 */
+	rs485-rx-en-hog {
+		gpio-hog;
+		gpios = <13 0>; /* GPIO Q */
+		line-name = "rs485-rx-en";
+		output-low;
+	};
+};
+
+&gpio2 {
+	gpio-line-names =
+		"", "", "", "", "", "", "", "",
+		"DHCOM-O", "DHCOM-N", "", "SOM-HW1", "", "", "", "",
+		"", "", "", "", "DRC02-In2", "", "", "",
+		"", "", "", "", "", "", "", "";
+};
+
+&gpio3 {
+	gpio-line-names =
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "SOM-HW0", "",
+		"", "", "", "", "", "", "SOM-MEM0", "SOM-MEM1",
+		"SOM-MEM2", "SOM-HW2", "", "", "", "", "", "";
+};
+
+&gpio4 {
+	gpio-line-names =
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "SOM-HW1", "", "", "", "",
+		"", "", "", "DRC02-Out2", "", "", "", "";
+};
+
+&gpio5 {
+	gpio-line-names =
+		"", "", "DHCOM-C", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "DHCOM-E", "DRC02-Out1",
+		"", "", "", "", "", "", "", "";
+};
+
+&i2c3 {
+	/* Resistive touch controller not populated on this one SoM variant. */
+	touchscreen@49 {
+		status = "disabled";
+	};
+};
+
+&pcie_phy {
+	status = "disabled";
+};
+
+&pcie {
+	status = "disabled";
+};
+
+/* Console UART */
+&pinctrl_uart1 {
+	fsl,pins = <
+		/* No pull-ups on DRC02, enable in-SoC pull-ups */
+		MX8MP_IOMUXC_SAI2_RXC__UART1_DCE_RX		0x149
+		MX8MP_IOMUXC_SAI2_RXFS__UART1_DCE_TX		0x149
+	>;
+};
+
+&pinctrl_uart3 {
+	fsl,pins = <
+		/* No pull-ups on DRC02, enable in-SoC pull-ups */
+		MX8MP_IOMUXC_ECSPI1_SCLK__UART3_DCE_RX		0x149
+		MX8MP_IOMUXC_ECSPI1_MOSI__UART3_DCE_TX		0x149
+	>;
+};
+
+&uart1 {
+	/*
+	 * Due to the use of CAN2 the signals for CAN2 Tx and Rx are routed to
+	 * DHCOM UART1 RTS/CTS pins. Therefore this UART have to use DHCOM GPIOs
+	 * for RTS/CTS. So configure DHCOM GPIO I as RTS and GPIO M as CTS.
+	 */
+	/delete-property/ uart-has-rtscts;
+	cts-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>; /* GPIO M */
+	pinctrl-0 = <&pinctrl_uart1 &pinctrl_dhcom_i &pinctrl_dhcom_m>;
+	pinctrl-names = "default";
+	rts-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
+};
+
+&uart3 {
+	/*
+	 * On DRC02 this UART is used as RS485 interface and RS485_TX_En is
+	 * controlled by DHCOM GPIO P. So remove RTS/CTS pins and the property
+	 * uart-has-rtscts from this UART and add the DHCOM GPIO P pin via
+	 * rts-gpios. The RS485_RX_En is controlled by DHCOM GPIO Q, see gpio1
+	 * node above.
+	 */
+	/delete-property/ uart-has-rtscts;
+	linux,rs485-enabled-at-boot-time;
+	pinctrl-0 = <&pinctrl_uart3 &pinctrl_dhcom_p &pinctrl_dhcom_q>;
+	pinctrl-names = "default";
+	rts-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; /* GPIO P */
+};
+
+/* No WiFi/BT chipset on this SoM variant. */
+&uart2 {
+	bluetooth {
+		status = "disabled";
+	};
+};
+
+/* USB_OTG port is not routed out on DRC02. */
+&usb3_0 {
+	status = "disabled";
+};
+
+&usb_dwc3_0 {
+	status = "disabled";
+};
+
+/* USB_HOST port has USB Hub connected to it, PWR/OC pins are unused */
+&usb3_1 {
+	fsl,disable-port-power-control;
+	fsl,permanently-attached;
+};
+
+&usb_dwc3_1 {
+	dr_mode = "host";
+	maximum-speed = "high-speed";
+};
+
+/* No WiFi/BT chipset on this SoM variant. */
+&usdhc1 {
+	status = "disabled";
+};
+
+&iomuxc {
+	/*
+	 * GPIO I is connected to UART1_RTS
+	 * GPIO M is connected to UART1_CTS
+	 * GPIO P is connected to RS485_TX_En
+	 * GPIO Q is connected to RS485_RX_En
+	 */
+	pinctrl-0 = <&pinctrl_hog_base
+		     &pinctrl_dhcom_a &pinctrl_dhcom_b &pinctrl_dhcom_c
+		     &pinctrl_dhcom_d &pinctrl_dhcom_e &pinctrl_dhcom_f
+		     &pinctrl_dhcom_g &pinctrl_dhcom_h &pinctrl_dhcom_j
+		     &pinctrl_dhcom_k &pinctrl_dhcom_l &pinctrl_dhcom_n
+		     &pinctrl_dhcom_o &pinctrl_dhcom_r &pinctrl_dhcom_s
+		     &pinctrl_dhcom_int>;
+};

configs/imx8mp_dhcom_drc02_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_IMX8M=y
+CONFIG_TEXT_BASE=0x40200000
+CONFIG_SYS_MALLOC_LEN=0x1000000
+CONFIG_SYS_MALLOC_F_LEN=0x18000
+CONFIG_SPL_GPIO=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_SF_DEFAULT_SPEED=50000000
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0xFE0000
+CONFIG_ENV_SECT_SIZE=0x1000
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="imx8mp-dhcom-drc02"
+CONFIG_SPL_TEXT_BASE=0x920000
+CONFIG_TARGET_IMX8MP_DH_DHCOM_PDK2=y
+CONFIG_DM_RESET=y
+CONFIG_SYS_MONITOR_LEN=1048576
+CONFIG_SPL_MMC=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL_DRIVERS_MISC=y
+CONFIG_BOOTCOUNT_BOOTLIMIT=3
+CONFIG_SYS_BOOTCOUNT_ADDR=0x30370090
+CONFIG_SPL_STACK=0x96fc00
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x96fc00
+CONFIG_SPL_BSS_MAX_SIZE=0x400
+CONFIG_SPL=y
+CONFIG_SYS_BOOTCOUNT_SINGLEWORD=y
+CONFIG_DEBUG_UART_BASE=0x30860000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_ENV_OFFSET_REDUND=0xFF0000
+CONFIG_IMX_BOOTAUX=y
+CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
+CONFIG_SYS_LOAD_ADDR=0x50000000
+CONFIG_PCI=y
+CONFIG_DEBUG_UART=y
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
+CONFIG_FIT=y
+CONFIG_FIT_EXTERNAL_OFFSET=0x3000
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_SPL_LOAD_FIT_ADDRESS=0x44000000
+CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY=y
+CONFIG_SYS_BOOTM_LEN=0x8000000
+CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_USE_BOOTARGS=y
+CONFIG_USE_BOOTCOMMAND=y
+CONFIG_BOOTCOMMAND="run dh_update_env distro_bootcmd ; reset"
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT=""
+CONFIG_DEFAULT_FDT_FILE="imx8mp-dhcom-drc02.dtb"
+CONFIG_SYS_CBSIZE=2048
+CONFIG_SYS_PBSIZE=2081
+CONFIG_CONSOLE_MUX=y
+CONFIG_SYS_CONSOLE_ENV_OVERWRITE=y
+CONFIG_ARCH_MISC_INIT=y
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_SPL_MAX_SIZE=0x26000
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_BOOTROM_SUPPORT=y
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_SYS_MALLOC=y
+CONFIG_SPL_HAS_CUSTOM_MALLOC_START=y
+CONFIG_SPL_CUSTOM_SYS_MALLOC_ADDR=0x4c000000
+CONFIG_SPL_SYS_MALLOC_SIZE=0x80000
+CONFIG_SPL_SYS_MMCSD_RAW_MODE=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x300
+# CONFIG_SPL_FIT_IMAGE_TINY is not set
+CONFIG_SPL_I2C=y
+CONFIG_SPL_POWER=y
+CONFIG_SPL_WATCHDOG=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="u-boot=> "
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+CONFIG_CMD_ASKENV=y
+# CONFIG_CMD_EXPORTENV is not set
+CONFIG_CMD_ERASEENV=y
+CONFIG_CRC32_VERIFY=y
+CONFIG_CMD_EEPROM=y
+CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
+CONFIG_SYS_EEPROM_SIZE=16384
+CONFIG_SYS_EEPROM_PAGE_WRITE_BITS=6
+CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS=20
+CONFIG_CMD_MD5SUM=y
+CONFIG_MD5SUM_VERIFY=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_SHA1SUM=y
+CONFIG_SHA1SUM_VERIFY=y
+CONFIG_CMD_CLK=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_FUSE=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_LSBLK=y
+CONFIG_CMD_MBR=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_BKOPS_ENABLE=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_SDP=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_CAT=y
+CONFIG_CMD_XXD=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_DHCP6=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_WGET=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_BOOTCOUNT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_GETTIME=y
+CONFIG_CMD_KASLRSEED=y
+CONFIG_CMD_SYSBOOT=y
+CONFIG_CMD_UUID=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_SMC=y
+CONFIG_HASH_VERIFY=y
+CONFIG_CMD_BTRFS=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES=y
+CONFIG_MTDIDS_DEFAULT="nor0=flash@0"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=flash@0:-(sf)"
+CONFIG_MMC_SPEED_MODE_SET=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_ENV_SECT_SIZE_AUTO=y
+CONFIG_ENV_SPI_MAX_HZ=80000000
+CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_NETCONSOLE=y
+CONFIG_IP_DEFRAG=y
+CONFIG_TFTP_TSIZE=y
+CONFIG_PROT_TCP_SACK=y
+CONFIG_IPV6=y
+CONFIG_SPL_DM=y
+CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_SYS_BOOTCOUNT_MAGIC=0xB0C40000
+CONFIG_SPL_CLK_COMPOSITE_CCF=y
+CONFIG_CLK_COMPOSITE_CCF=y
+CONFIG_SPL_CLK_IMX8MP=y
+CONFIG_CLK_IMX8MP=y
+CONFIG_FSL_CAAM=y
+CONFIG_IMX8M_DRAM_INLINE_ECC=y
+CONFIG_DFU_TFTP=y
+CONFIG_DFU_TIMEOUT=y
+CONFIG_DFU_MMC=y
+CONFIG_DFU_MTD=y
+CONFIG_DFU_RAM=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x42800000
+CONFIG_FASTBOOT_BUF_SIZE=0x20000000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
+CONFIG_GPIO_HOG=y
+CONFIG_SPL_GPIO_HOG=y
+CONFIG_MXC_GPIO=y
+CONFIG_DM_PCA953X=y
+CONFIG_DM_I2C=y
+CONFIG_I2C_MUX=y
+CONFIG_I2C_MUX_PCA954x=y
+# CONFIG_INPUT is not set
+CONFIG_LED=y
+CONFIG_LED_BLINK=y
+CONFIG_LED_GPIO=y
+CONFIG_I2C_EEPROM=y
+CONFIG_SYS_I2C_EEPROM_ADDR=0x50
+CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_SPL_MMC_IO_VOLTAGE=y
+CONFIG_MMC_UHS_SUPPORT=y
+CONFIG_SPL_MMC_UHS_SUPPORT=y
+CONFIG_MMC_HS400_ES_SUPPORT=y
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_FSL_USDHC=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+# CONFIG_SPI_FLASH_UNLOCK_ALL is not set
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHY_ANEG_TIMEOUT=20000
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ90X1=y
+CONFIG_PHY_SMSC=y
+CONFIG_DM_MDIO=y
+CONFIG_DM_ETH_PHY=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_IMX=y
+CONFIG_FEC_MXC=y
+CONFIG_RGMII=y
+CONFIG_MII=y
+CONFIG_NVME_PCI=y
+CONFIG_PCIE_DW_IMX=y
+CONFIG_PHY_IMX8MQ_USB=y
+CONFIG_PHY_IMX8M_PCIE=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_IMX8M=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_IMX8M_POWER_DOMAIN=y
+CONFIG_IMX8MP_HSIOMIX_BLKCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_PCA9450=y
+CONFIG_SPL_DM_PMIC_PCA9450=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_PCA9450=y
+CONFIG_SPL_DM_REGULATOR_PCA9450=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RNG=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_M41T62=y
+CONFIG_CONS_INDEX=2
+CONFIG_DM_SERIAL=y
+# CONFIG_SPL_DM_SERIAL is not set
+CONFIG_MXC_UART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_NXP_FSPI=y
+CONFIG_MXC_SPI=y
+CONFIG_SYSRESET=y
+CONFIG_SPL_SYSRESET=y
+CONFIG_SYSRESET_PSCI=y
+CONFIG_SYSRESET_WATCHDOG=y
+CONFIG_DM_THERMAL=y
+CONFIG_IMX_TMU=y
+CONFIG_USB=y
+# CONFIG_SPL_DM_USB is not set
+CONFIG_DM_USB_GADGET=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_ETHER_ASIX=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="DH electronics"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+CONFIG_USB_FUNCTION_ACM=y
+CONFIG_USB_ETHER=y
+CONFIG_USB_ETH_CDC=y
+CONFIG_IMX_WATCHDOG=y