From: Marek Vasut Date: Tue, 3 Nov 2020 18:14:58 +0000 (+0100) Subject: ARM: dts: stm32: Add DHCOM based PicoITX board X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=7d5164425b91f101a909e08d15d60d61677a1527;p=u-boot.git ARM: dts: stm32: Add DHCOM based PicoITX board Add DT for DH PicoITX unit, which is a bare-bones carrier board for the DHCOM. The board has ethernet port, USB, CAN, LEDs and a custom board-to-board expansion connector. Signed-off-by: Marek Vasut Cc: Patrice Chotard Cc: Patrick Delaunay Reviewed-by: Patrice Chotard Reviewed-by: Patrick Delaunay --- diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 7d1a369845..e2e8a5fb7a 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -965,6 +965,7 @@ dtb-$(CONFIG_STM32MP15x) += \ stm32mp157c-odyssey.dtb \ stm32mp15xx-dhcom-drc02.dtb \ stm32mp15xx-dhcom-pdk2.dtb \ + stm32mp15xx-dhcom-picoitx.dtb \ stm32mp15xx-dhcor-avenger96.dtb dtb-$(CONFIG_SOC_K3_AM6) += k3-am654-base-board.dtb k3-am654-r5-base-board.dtb diff --git a/arch/arm/dts/stm32mp15xx-dhcom-picoitx-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-picoitx-u-boot.dtsi new file mode 100644 index 0000000000..3cac663d98 --- /dev/null +++ b/arch/arm/dts/stm32mp15xx-dhcom-picoitx-u-boot.dtsi @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2020 Marek Vasut + */ + +#include "stm32mp15xx-dhcom-u-boot.dtsi" + +/ { + aliases { + /delete-property/ ethernet1; + }; +}; + +/delete-node/ &ksz8851; diff --git a/arch/arm/dts/stm32mp15xx-dhcom-picoitx.dts b/arch/arm/dts/stm32mp15xx-dhcom-picoitx.dts new file mode 100644 index 0000000000..7f5cff49b7 --- /dev/null +++ b/arch/arm/dts/stm32mp15xx-dhcom-picoitx.dts @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2020 Marek Vasut + */ + +#include "stm32mp15xx-dhcom.dtsi" + +/ { + model = "DH Electronics STM32MP15xx DHCOM PicoITX"; + compatible = "dh,stm32mp15xx-dhcom-picoitx", "st,stm32mp1xx"; + + aliases { + serial0 = &uart4; + serial1 = &usart3; + serial2 = &uart8; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&adc { + status = "disabled"; +}; + +&dac { + status = "disabled"; +}; + +&gpioa { + /* + * NOTE: The USB Port on the PicoITX needs a PWR_EN signal to enable + * port power. This signal should be handled by USB power sequencing + * in order to turn on port power when USB bus is powered up, but so + * far there is no such functionality. + */ + usb-port-power { + gpio-hog; + gpios = <13 GPIO_ACTIVE_LOW>; + output-low; + line-name = "usb-port-power"; + }; +}; + +&i2c2 { /* On board-to-board connector (optional) */ + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins_a>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; +}; + +&i2c5 { /* On board-to-board connector */ + pinctrl-names = "default"; + pinctrl-0 = <&i2c5_pins_a>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; +}; + +&usart3 { + pinctrl-names = "default"; + pinctrl-0 = <&usart3_pins_a>; + status = "okay"; +}; + +&uart8 { + pinctrl-names = "default"; + pinctrl-0 = <&uart8_pins_a>; + status = "okay"; +}; + +&usbh_ehci { + phys = <&usbphyc_port0>; + status = "okay"; +}; + +&usbphyc { + status = "okay"; +}; + +&usbphyc_port0 { + phy-supply = <&vdd_usb>; + vdda1v1-supply = <®11>; + vdda1v8-supply = <®18>; +}; diff --git a/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its b/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its index 905be57dff..ba48786e08 100644 --- a/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its +++ b/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its @@ -31,6 +31,14 @@ arch = "arm"; compression = "none"; }; + + fdt-3 { + description = ".dtb"; + data = /incbin/("arch/arm/dts/stm32mp15xx-dhcom-picoitx.dtb"); + type = "flat_dt"; + arch = "arm"; + compression = "none"; + }; }; configurations { @@ -64,6 +72,20 @@ fdt = "fdt-2"; }; + config-5 { + /* DT+SoM+board model */ + description = "dh,stm32mp15xx-dhcom-picoitx_somrev0_boardrev0"; + loadables = "uboot"; + fdt = "fdt-3"; + }; + + config-6 { + /* DT+SoM+board model */ + description = "dh,stm32mp15xx-dhcom-picoitx_somrev1_boardrev0"; + loadables = "uboot"; + fdt = "fdt-3"; + }; + /* Add 587-100..587-400 with fdt-2..fdt-4 here */ }; }; diff --git a/configs/stm32mp15_dhcom_basic_defconfig b/configs/stm32mp15_dhcom_basic_defconfig index d7b4cd76c8..96c3d170a5 100644 --- a/configs/stm32mp15_dhcom_basic_defconfig +++ b/configs/stm32mp15_dhcom_basic_defconfig @@ -57,7 +57,7 @@ CONFIG_CMD_REGULATOR=y CONFIG_CMD_EXT4_WRITE=y CONFIG_CMD_MTDPARTS=y # CONFIG_SPL_DOS_PARTITION is not set -CONFIG_OF_LIST="stm32mp15xx-dhcom-pdk2 stm32mp15xx-dhcom-drc02" +CONFIG_OF_LIST="stm32mp15xx-dhcom-pdk2 stm32mp15xx-dhcom-drc02 stm32mp15xx-dhcom-picoitx" CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-names interrupts-extended interrupt-controller \\\#interrupt-cells interrupt-parent dmas dma-names assigned-clocks assigned-clock-rates assigned-clock-parents hwlocks" CONFIG_ENV_IS_IN_SPI_FLASH=y CONFIG_USE_ENV_SPI_BUS=y