From ac68793f49de74c4046e760b6370f70c51d4aef9 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 3 Nov 2020 19:11:37 +0100 Subject: [PATCH] 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: Alexandre Torgue Cc: Maxime Coquelin Cc: Patrice Chotard Cc: Patrick Delaunay Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts | 35 ++++++ arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi | 143 +++++++++++++++++++++++ 3 files changed, 179 insertions(+) create mode 100644 arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts create mode 100644 arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index ce66ffd..c236c0f 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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 \ diff --git a/arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts b/arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts new file mode 100644 index 0000000..cfb8f8a --- /dev/null +++ b/arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dts @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2020 Marek Vasut + * + * 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"; +}; diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi new file mode 100644 index 0000000..356150d --- /dev/null +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2020 Marek Vasut + */ + +#include +#include + +/ { + 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 = <®11>; + vdda1v8-supply = <®18>; +}; + +&usbphyc_port1 { + phy-supply = <&vdd_usb>; + vdda1v1-supply = <®11>; + vdda1v8-supply = <®18>; +}; -- 2.7.4