Add EV-iMX280-NANO-X-MB board

A simple prototyping board with one microSD port, one Ethernet port,
2 USB ports, I2C, SPI, GPIO, and UART interfaces.

Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Oleh Kravchenko 2021-05-15 00:18:33 +03:00 committed by Stefano Babic
parent 3675ac081a
commit 1180baec98
6 changed files with 223 additions and 9 deletions

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@ -923,9 +923,11 @@ OUT4-IMX6ULL-NANO BOARD
M: Oleh Kravchenko <oleg@kaa.org.ua>
S: Maintained
T: git https://github.com/Oleh-Kravchenko/u-boot-out4.git
F: arch/arm/dts/ev-imx280-nano-x-mb.dts
F: arch/arm/dts/o4-imx-nano.dts
F: arch/arm/dts/o4-imx6ull-nano.dtsi
F: board/out4
F: configs/ev-imx280-nano-x-mb_defconfig
F: configs/o4-imx6ull-nano_defconfig
F: include/configs/o4-imx6ull-nano.h

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@ -822,6 +822,9 @@ dtb-$(CONFIG_ARCH_MX6) += \
dtb-$(CONFIG_O4_IMX_NANO) += \
o4-imx-nano.dtb
dtb-$(CONFIG_EV_IMX280_NANO_X_MB) += \
ev-imx280-nano-x-mb.dtb
dtb-$(CONFIG_MX7) += imx7d-sdb.dtb \
imx7d-sdb-qspi.dtb \
imx7-cm.dtb \

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@ -0,0 +1,109 @@
// SPDX-License-Identifier: GPL-2.0+
// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
/dts-v1/;
#include "o4-imx6ull-nano.dtsi"
/ {
model = "EV-iMX280-NANO-X-MB";
compatible = "evodbg,ev-imx280-nano-x-mb",
"out4,o4-imx6ull-nano",
"fsl,imx6ull";
aliases {
mmc1 = &usdhc1;
};
chosen {
stdout-path = &uart1;
};
};
&iomuxc {
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
>;
};
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10069
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
MX6UL_PAD_UART1_RTS_B__USDHC1_CD_B 0x03029
>;
};
pinctrl_mdio: mdiogrp {
fsl,pins = <
MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x1b0b0
MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0x1b0b0
MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01 0xb0b0 /* RST */
>;
};
pinctrl_usb_otg1_id: usbotg1idgrp {
fsl,pins = <
MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID 0x17059
>;
};
};
&uart1 {
pinctrl-0 = <&pinctrl_uart1>;
pinctrl-names = "default";
status = "okay";
};
&usdhc1 {
bus-width = <4>;
no-1-8-v;
pinctrl-0 = <&pinctrl_usdhc1>;
pinctrl-names = "default";
status = "okay";
wakeup-source;
};
&fec1 {
phy-handle = <&phy0>;
phy-mode = "rmii";
phy-reset-duration = <250>;
phy-reset-post-delay = <100>;
phy-reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&pinctrl_fec1 &pinctrl_mdio>;
pinctrl-names = "default";
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy0: ethernet-phy@0 {
clocks = <&clks IMX6UL_CLK_ENET_REF>;
clock-names = "rmii-ref";
interrupt-parent = <&gpio5>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
pinctrl-0 = <&pinctrl_phy0_irq>;
pinctrl-names = "default";
reg = <0>;
};
};
};
&usbotg1 {
dr_mode = "otg";
pinctrl-0 = <&pinctrl_usb_otg1_id>;
pinctrl-names = "default";
status = "okay";
};
&usbotg2 {
dr_mode = "host";
status = "okay";
};

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@ -45,6 +45,12 @@ config O4_IMX_NANO
A baseboard for EV-iMX280-NANO module:
https://out4.ru/products/board/18-o4-imx-nano.html
config EV_IMX280_NANO_X_MB
bool "EV-IMX280-NANO-X-MB"
help
A simple baseboard for EV-iMX280-NANO module:
http://evodbg.net/products/mx28-eval-kits/14-ev-imx280-nano-x-mb.html
endchoice
config IMX_CONFIG
@ -53,5 +59,6 @@ config IMX_CONFIG
config DEFAULT_DEVICE_TREE
default "o4-imx-nano" if O4_IMX_NANO
default "ev-imx280-nano-x-mb" if EV_IMX280_NANO_X_MB
endif

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@ -39,16 +39,18 @@ static int setup_fec_clock(void)
if (ret)
return ret;
/*
* Use 50M anatop loopback REF_CLK2 for ENET2,
* clear gpr1[14], set gpr1[18].
*/
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
if (!IS_ENABLED(CONFIG_EV_IMX280_NANO_X_MB)) {
/*
* Use 50M anatop loopback REF_CLK2 for ENET2,
* clear gpr1[14], set gpr1[18].
*/
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
ret = enable_fec_anatop_clock(1, ENET_50MHZ);
if (ret)
return ret;
ret = enable_fec_anatop_clock(1, ENET_50MHZ);
if (ret)
return ret;
}
enable_enet_clk(1);
}

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@ -0,0 +1,91 @@
CONFIG_ARCH_MX6=y
CONFIG_ARM=y
CONFIG_DEFAULT_DEVICE_TREE="ev-imx280-nano-x-mb"
CONFIG_EV_IMX280_NANO_X_MB=y
CONFIG_HUSH_PARSER=y
CONFIG_IMX_MODULE_FUSE=y
CONFIG_MX6ULL=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
CONFIG_SYS_TEXT_BASE=0x87800000
CONFIG_TARGET_O4_IMX6ULL_NANO=y
CONFIG_K4B4G1646D_BCMA=y
# CONFIG_MT41K256M16HA_125E is not set
# Device Tree
CONFIG_OF_CONTROL=y
CONFIG_OF_LIBFDT_OVERLAY=y
# Environment
CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
CONFIG_ENV_IS_IN_FAT=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
# Clock driver for imx6ull is not implemented
# CONFIG_CLK_IMX6Q=y
# Thermal
CONFIG_DM_THERMAL=y
CONFIG_IMX_THERMAL=y
# Serial
CONFIG_DM_SERIAL=y
CONFIG_MXC_UART=y
# eMMC support
CONFIG_CMD_MMC=y
CONFIG_DM_MMC=y
CONFIG_FSL_USDHC=y
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_SUPPORT_EMMC_RPMB=y
# GPIO support
CONFIG_CMD_GPIO=y
CONFIG_DM_GPIO=y
CONFIG_MXC_GPIO=y
# USB support
CONFIG_CI_UDC=y
CONFIG_CMD_USB=y
CONFIG_CMD_USB_MASS_STORAGE=y
CONFIG_DM_USB=y
CONFIG_USB=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_DOWNLOAD=y
# Fastboot support
CONFIG_CMD_FASTBOOT=y
CONFIG_FASTBOOT_BUF_ADDR=0x82000000
CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
CONFIG_FASTBOOT_FLASH=y
CONFIG_FASTBOOT_FLASH_MMC_DEV=0
CONFIG_USB_FUNCTION_FASTBOOT=y
# Ethernet support
CONFIG_CMD_DHCP=y
CONFIG_CMD_MDIO=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
CONFIG_DM_ETH=y
CONFIG_FEC_MXC=y
CONFIG_MII=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_PHYLIB=y
CONFIG_PHY_SMSC=y
# Watchdog support is broken
# CONFIG_CMD_WDT=y
# CONFIG_IMX_WATCHDOG=y
# CONFIG_SYSRESET_WATCHDOG=y
# CONFIG_WATCHDOG_RESET_DISABLE=y
# CONFIG_WDT=y
# misc
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_EXT4=y
CONFIG_CMD_FAT=y
CONFIG_CMD_GPT=y
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_PART=y