[PATCH] arm64: dts: imx8mp: Add support for DH electronics i.MX8M Plus DHCOM PicoITX
Marek Vasut
marex at denx.de
Sun Sep 29 01:52:35 CEST 2024
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 at denx.de>
---
Cc: "NXP i.MX U-Boot Team" <uboot-imx at nxp.com>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Tom Rini <trini at konsulko.com>
Cc: u-boot at dh-electronics.com
Cc: u-boot at 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 at 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 at 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 = <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 {
+ 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 at 0"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=flash at 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
--
2.45.2
More information about the U-Boot
mailing list