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arm64: dts: imx8mp: Add support for DH electronics i.MX8M Plus DHCOM PicoITX

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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>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
This commit is contained in:
Marek Vasut 2024-09-29 01:52:35 +02:00 • committed by Fabio Estevam
parent 00292c6b39
commit c93c40e7f6
4 changed files with 432 additions and 0 deletions
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1
arch/arm/dts/Makefile
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@ -971,6 +971,7 @@ dtb-$(CONFIG_ARCH_IMX8M) += \
imx8mp-dhcom-pdk2.dtb \ imx8mp-dhcom-pdk2.dtb \
imx8mp-dhcom-pdk3.dtb \ imx8mp-dhcom-pdk3.dtb \
imx8mp-dhcom-pdk3-overlay-rev100.dtbo \ imx8mp-dhcom-pdk3-overlay-rev100.dtbo \
imx8mp-dhcom-picoitx.dtb \
imx8mp-icore-mx8mp-edimm2.2.dtb \ imx8mp-icore-mx8mp-edimm2.2.dtb \
imx8mp-msc-sm2s.dtb \ imx8mp-msc-sm2s.dtb \
imx8mq-pico-pi.dtb \ imx8mq-pico-pi.dtb \

6
arch/arm/dts/imx8mp-dhcom-picoitx-u-boot.dtsi Normal file
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@ -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"

152
arch/arm/dts/imx8mp-dhcom-picoitx.dts Normal file
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@ -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>;
};

273
configs/imx8mp_dhcom_picoitx_defconfig Normal file
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@ -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