Commit ac68793f authored by Marek Vasut's avatar Marek Vasut Committed by Alexandre Torgue
Browse files

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: default avatarMarek 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: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent 242639c0

arch/arm/boot/dts/Makefile

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@@ -1066,6 +1066,7 @@ dtb-$(CONFIG_ARCH_STM32) += \ 
	stm32mp157a-iot-box.dtb \

	stm32mp157a-stinger96.dtb \

	stm32mp157c-dhcom-pdk2.dtb \

	stm32mp157c-dhcom-picoitx.dtb \

	stm32mp157c-dk2.dtb \

	stm32mp157c-ed1.dtb \

	stm32mp157c-ev1.dtb \

arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts

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+35 −0
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// 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";

};

arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi

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// 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>;

};