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ARM: dts: stm32: Add DHCOM based PicoITX board

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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 <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Marek Vasut 2020-11-03 19:14:58 +01:00 committed by Patrick Delaunay
parent 77c077e171
commit 7d5164425b
5 changed files with 131 additions and 1 deletions
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1
arch/arm/dts/Makefile
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@ -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

14
arch/arm/dts/stm32mp15xx-dhcom-picoitx-u-boot.dtsi Normal file
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@ -0,0 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2020 Marek Vasut <marex@denx.de>
*/
#include "stm32mp15xx-dhcom-u-boot.dtsi"
/ {
aliases {
/delete-property/ ethernet1;
};
};
/delete-node/ &ksz8851;

93
arch/arm/dts/stm32mp15xx-dhcom-picoitx.dts Normal file
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@ -0,0 +1,93 @@
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2020 Marek Vasut <marex@denx.de>
*/
#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 = <&reg11>;
vdda1v8-supply = <&reg18>;
};

22
board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its
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@ -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 */
};
};

2
configs/stm32mp15_dhcom_basic_defconfig
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@ -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