[PATCH 2/2 v3] Add EV-iMX280-NANO-X-MB board

Oleh Kravchenko
2021-05-14T21:28:35Z

Hello guys,
Could you please review and merge these patches?

PR successfully passed CI:
https://github.com/u-boot/u-boot/pull/77

15.05.21 00:18, Oleh Kravchenko ????:
> 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 at 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
>

--
Best regards,
Oleh Kravchenko