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 --- Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/77
MAINTAINERS | 2 + arch/arm/dts/Makefile | 3 + arch/arm/dts/ev-imx280-nano-x-mb.dts | 109 +++++++++++++++++++ board/out4/o4-imx6ull-nano/Kconfig | 7 ++ board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c | 22 ++-- configs/ev-imx280-nano-x-mb_defconfig | 91 ++++++++++++++++ 6 files changed, 224 insertions(+), 10 deletions(-) create mode 100644 arch/arm/dts/ev-imx280-nano-x-mb.dts create mode 100644 configs/ev-imx280-nano-x-mb_defconfig
diff --git a/MAINTAINERS b/MAINTAINERS index 1fd8027e84..b652898a10 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -920,9 +920,11 @@ 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
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index e7094ae17d..f832831487 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -812,6 +812,9 @@ 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 \ diff --git a/arch/arm/dts/ev-imx280-nano-x-mb.dts b/arch/arm/dts/ev-imx280-nano-x-mb.dts new file mode 100644 index 0000000000..7aec076af3 --- /dev/null +++ b/arch/arm/dts/ev-imx280-nano-x-mb.dts @@ -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"; +}; diff --git a/board/out4/o4-imx6ull-nano/Kconfig b/board/out4/o4-imx6ull-nano/Kconfig index c2497d521f..e2ab80b6d4 100644 --- a/board/out4/o4-imx6ull-nano/Kconfig +++ b/board/out4/o4-imx6ull-nano/Kconfig @@ -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 diff --git a/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c b/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c index fec1755c32..edb200e9e5 100644 --- a/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c +++ b/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c @@ -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); - - ret = enable_fec_anatop_clock(1, ENET_50MHZ); - if (ret) - return ret; + 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; + }
enable_enet_clk(1); } diff --git a/configs/ev-imx280-nano-x-mb_defconfig b/configs/ev-imx280-nano-x-mb_defconfig new file mode 100644 index 0000000000..b06aedef2a --- /dev/null +++ b/configs/ev-imx280-nano-x-mb_defconfig @@ -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