--- /dev/null
+// 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 = <ðphy0f>;
+ 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>;
+};
+
+ðphy0g { /* Micrel KSZ9131RNXI */
+ status = "disabled";
+};
+
+ðphy0f { /* SMSC LAN8740Ai */
+ status = "okay";
+};
+
+&fec { /* Second ethernet */
+ pinctrl-0 = <&pinctrl_fec_rmii>;
+ phy-handle = <ðphy1f>;
+ 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>;
+};
+
+ðphy1f { /* 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>;
+};
--- /dev/null
+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
projects / u-boot.git / commitdiff