Add support for DH electronics i.MX8M Plus DHCOM SoM on PicoITX carrier board. This system is populated with serial console, EQoS ethernet, eMMC, SD, SPI NOR, LEDs and USB 3.0 host used in USB 2.0 mode on PicoITX.

Matching Linux kernel patch has been posted: https://lore.kernel.org/imx/20240928234949.357893-2-marex@denx.de/

Signed-off-by: Marek Vasut marex@denx.de --- Cc: "NXP i.MX U-Boot Team" uboot-imx@nxp.com Cc: Fabio Estevam festevam@gmail.com Cc: Stefano Babic sbabic@denx.de Cc: Tom Rini trini@konsulko.com Cc: u-boot@dh-electronics.com Cc: u-boot@lists.denx.de --- arch/arm/dts/Makefile | 1 + arch/arm/dts/imx8mp-dhcom-picoitx-u-boot.dtsi | 6 + arch/arm/dts/imx8mp-dhcom-picoitx.dts | 152 ++++++++++ configs/imx8mp_dhcom_picoitx_defconfig | 273 ++++++++++++++++++ 4 files changed, 432 insertions(+) create mode 100644 arch/arm/dts/imx8mp-dhcom-picoitx-u-boot.dtsi create mode 100644 arch/arm/dts/imx8mp-dhcom-picoitx.dts create mode 100644 configs/imx8mp_dhcom_picoitx_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index cdb90f1d358..d69b53ce8f7 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -972,6 +972,7 @@ dtb-$(CONFIG_ARCH_IMX8M) += \ imx8mp-dhcom-pdk2.dtb \ imx8mp-dhcom-pdk3.dtb \ imx8mp-dhcom-pdk3-overlay-rev100.dtbo \ + imx8mp-dhcom-picoitx.dtb \ imx8mp-icore-mx8mp-edimm2.2.dtb \ imx8mp-msc-sm2s.dtb \ imx8mq-pico-pi.dtb \ diff --git a/arch/arm/dts/imx8mp-dhcom-picoitx-u-boot.dtsi b/arch/arm/dts/imx8mp-dhcom-picoitx-u-boot.dtsi new file mode 100644 index 00000000000..4e95cd0e483 --- /dev/null +++ b/arch/arm/dts/imx8mp-dhcom-picoitx-u-boot.dtsi @@ -0,0 +1,6 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2023-2024 Marek Vasut marex@denx.de + */ + +#include "imx8mp-dhcom-u-boot.dtsi" diff --git a/arch/arm/dts/imx8mp-dhcom-picoitx.dts b/arch/arm/dts/imx8mp-dhcom-picoitx.dts new file mode 100644 index 00000000000..285aaa5b6c0 --- /dev/null +++ b/arch/arm/dts/imx8mp-dhcom-picoitx.dts @@ -0,0 +1,152 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2023-2024 Marek Vasut marex@denx.de + * + * DHCOM iMX8MP variant: + * DHCM-iMX8ML8-C160-R204-F1638-SPI16-E-SD-RTC-T-RGB-I-01D2 + * DHCOM PCB number: 660-200 or newer + * PicoITX PCB number: 487-600 or newer + */ + +/dts-v1/; + +#include <dt-bindings/leds/common.h> +#include "imx8mp-dhcom-som.dtsi" + +/ { + model = "DH electronics i.MX8M Plus DHCOM PicoITX"; + compatible = "dh,imx8mp-dhcom-picoitx", "dh,imx8mp-dhcom-som", + "fsl,imx8mp"; + + chosen { + stdout-path = &uart1; + }; + + led { + compatible = "gpio-leds"; + + led-0 { + color = <LED_COLOR_ID_YELLOW>; + default-state = "off"; + function = LED_FUNCTION_INDICATOR; + gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */ + pinctrl-0 = <&pinctrl_dhcom_i>; + pinctrl-names = "default"; + }; + }; +}; + +&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 { + status = "disabled"; +}; + +&flexcan1 { + status = "okay"; +}; + +&gpio1 { + gpio-line-names = + "DHCOM-G", "", "", "", + "", "DHCOM-I", "PicoITX-HW0", "PicoITX-HW2", + "DHCOM-B", "DHCOM-A", "", "DHCOM-H", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", ""; +}; + +&gpio2 { + gpio-line-names = + "", "", "", "", "", "", "", "", + "", "", "", "PicoITX-HW1", "", "", "", "", + "", "", "", "", "DHCOM-INT", "", "", "", + "", "", "", "", "", "", "", ""; +}; + +&gpio4 { + gpio-line-names = + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "SOM-HW1", "", "", "", "", + "", "", "", "PicoITX-Out2", "", "", "", ""; +}; + +&gpio5 { + gpio-line-names = + "", "", "PicoITX-In2", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", + "", "", "PicoITX-In1", "PicoITX-Out1", + "", "", "", "", "", "", "", ""; +}; + +/* No HS connector on this SoM variant, so no HDMI, PCIe and only USB HS. */ +&pcie_phy { + status = "disabled"; +}; + +&pcie { + status = "disabled"; +}; + +/* No WiFi/BT chipset on this SoM variant. */ +&uart2 { + bluetooth { + status = "disabled"; + }; +}; + +/* USB_OTG port is not routed out on PicoITX. */ +&usb3_0 { + status = "disabled"; +}; + +&usb_dwc3_0 { + status = "disabled"; +}; + +&usb3_1 { + fsl,over-current-active-low; +}; + +&usb_dwc3_1 { + dr_mode = "host"; + maximum-speed = "high-speed"; +}; + +/* No WiFi/BT chipset on this SoM variant. */ +&usdhc1 { + status = "disabled"; +}; + +&iomuxc { + /* + * The following DHCOM GPIOs are used on this board. + * Therefore, they have been removed from the list below. + * I: yellow led + */ + pinctrl-0 = <&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_m + &pinctrl_dhcom_n &pinctrl_dhcom_o &pinctrl_dhcom_p + &pinctrl_dhcom_q &pinctrl_dhcom_r &pinctrl_dhcom_s + &pinctrl_dhcom_int>; +}; diff --git a/configs/imx8mp_dhcom_picoitx_defconfig b/configs/imx8mp_dhcom_picoitx_defconfig new file mode 100644 index 00000000000..4d8ce2dba4b --- /dev/null +++ b/configs/imx8mp_dhcom_picoitx_defconfig @@ -0,0 +1,273 @@ +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-picoitx" +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_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_DEFAULT_FDT_FILE="imx8mp-dhcom-picoitx.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_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_MMC_SPEED_MODE_SET=y +CONFIG_CMD_MTD=y +CONFIG_CMD_PART=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_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_REGMAP=y +CONFIG_SYSCON=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_PHY_IMX8MQ_USB=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_DM_REGULATOR=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