diff options
author | Marek Vasut <marex@denx.de> | 2020-11-03 21:14:58 +0300 |
---|---|---|
committer | Patrick Delaunay <patrick.delaunay@st.com> | 2020-11-25 12:43:46 +0300 |
commit | 7d5164425b91f101a909e08d15d60d61677a1527 (patch) | |
tree | 7589c5a08dc4f38b1804426b9f57417c03f17e79 /arch | |
parent | 77c077e1713d4f45c3e2972ab487b6f6f2bbabc0 (diff) | |
download | u-boot-7d5164425b91f101a909e08d15d60d61677a1527.tar.xz |
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 <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>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/dts/stm32mp15xx-dhcom-picoitx-u-boot.dtsi | 14 | ||||
-rw-r--r-- | arch/arm/dts/stm32mp15xx-dhcom-picoitx.dts | 93 |
3 files changed, 108 insertions, 0 deletions
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 <marex@denx.de> + */ + +#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 <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 = <®11>; + vdda1v8-supply = <®18>; +}; |