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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: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Marek Vasut 2020-11-03 19:11:37 +01:00 • committed by Alexandre Torgue
parent 242639c0dc
commit ac68793f49
3 changed files with 179 additions and 0 deletions
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1
arch/arm/boot/dts/Makefile
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@ -1066,6 +1066,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
stm32mp157a-iot-box.dtb \ stm32mp157a-iot-box.dtb \
stm32mp157a-stinger96.dtb \ stm32mp157a-stinger96.dtb \
stm32mp157c-dhcom-pdk2.dtb \ stm32mp157c-dhcom-pdk2.dtb \
stm32mp157c-dhcom-picoitx.dtb \
stm32mp157c-dk2.dtb \ stm32mp157c-dk2.dtb \
stm32mp157c-ed1.dtb \ stm32mp157c-ed1.dtb \
stm32mp157c-ev1.dtb \ stm32mp157c-ev1.dtb \

35
arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts Normal file
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@ -0,0 +1,35 @@
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2020 Marek Vasut <marex@denx.de>
*
* DHCOM STM32MP1 variant:
* DHCM-STM32MP157C-C065-R102-F0819-SPI-E-CAN2-SD-RTC-T-DSI-I-01D2
* DHCOM PCB number: 587-200 or newer
* PicoITX PCB number: 487-600 or newer
*/
/dts-v1/;
#include "stm32mp157.dtsi"
#include "stm32mp15xc.dtsi"
#include "stm32mp15xx-dhcom-som.dtsi"
#include "stm32mp15xx-dhcom-picoitx.dtsi"
/ {
model = "DH electronics STM32MP157C DHCOM PicoITX";
compatible = "dh,stm32mp157c-dhcom-picoitx", "dh,stm32mp157c-dhcom-som",
"st,stm32mp157";
};
&m_can1 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&m_can1_pins_a>;
pinctrl-1 = <&m_can1_sleep_pins_a>;
status = "okay";
};
&m_can2 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&m_can2_pins_a>;
pinctrl-1 = <&m_can2_sleep_pins_a>;
status = "okay";
};

143
arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi Normal file
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@ -0,0 +1,143 @@
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2020 Marek Vasut <marex@denx.de>
*/
#include <dt-bindings/input/input.h>
#include <dt-bindings/pwm/pwm.h>
/ {
aliases {
serial0 = &uart4;
serial1 = &usart3;
serial2 = &uart8;
};
chosen {
stdout-path = "serial0:115200n8";
};
led {
compatible = "gpio-leds";
led-0 {
label = "yellow:led";
gpios = <&gpioi 3 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
};
};
&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";
};
};
&gpioc {
gpio-line-names = "", "", "", "",
"", "", "In1", "",
"", "", "", "",
"", "", "", "";
};
&gpiod {
gpio-line-names = "", "", "", "",
"", "", "", "",
"", "", "", "Out1",
"Out2", "", "", "";
};
&gpiog {
gpio-line-names = "In2", "", "", "",
"", "", "", "",
"", "", "", "",
"", "", "", "";
};
&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 &uart8_rtscts_pins_a>;
status = "okay";
};
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";
};
&usbh_ohci {
phys = <&usbphyc_port0>;
status = "okay";
};
&usbotg_hs {
dr_mode = "otg";
pinctrl-0 = <&usbotg_hs_pins_a>;
pinctrl-names = "default";
phy-names = "usb2-phy";
phys = <&usbphyc_port1 0>;
vbus-supply = <&vbus_otg>;
status = "okay";
};
&usbphyc {
status = "okay";
};
&usbphyc_port0 {
phy-supply = <&vdd_usb>;
vdda1v1-supply = <&reg11>;
vdda1v8-supply = <&reg18>;
};
&usbphyc_port1 {
phy-supply = <&vdd_usb>;
vdda1v1-supply = <&reg11>;
vdda1v8-supply = <&reg18>;
};