From: Patrice Chotard patrice.chotard@st.com
This file is imported from linux kernel v4.13
Add device tree support for STM32H743 evaluation board. This board offers : _ STM32H743XIH6 microcontroller with 2 Mbytes of Flash memory and 1 Mbyte of RAM in TFBGA240+25 package _ 5.7” 640x480 TFT color LCD with touch screen _ Ethernet compliant with IEEE-802.3-2002 _ USB OTG HS and FS _ I2 C compatible serial interface _ RTC with rechargeable backup battery _ SAI Audio DAC _ ST-MEMS digital microphones _ 8-Gbyte (or more) SDIO3.0 interface microSD™ card _ 8Mx32bit SDRAM, 1Mx16bit SRAM and 8Mx16bit NOR Flash _ 1-Gbit Twin Quad-SPI NOR Flash _ Potentiometer _ 4 colored user LEDs _ Reset, wakeup, tamper or key buttons _ Joystick with 4-direction control and selector _ Board connectors : Power jack 3 USB with Micro-AB RS-232 communications Ethernet RJ45 FD-CAN compliant connection Stereo headset jack including analog microphone input 2 audio jacks for external speakers microSD™ card JTAG/SWD and ETM trace _ Expansion connectors: Extension connectors and memory connectors for daughterboard or wire-wrap board _ Flexible power-supply options: ST-LINK USB VBUS or external sources _ On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, virtual COM port and debug port
Signed-off-by: Patrice Chotard patrice.chotard@st.com --- arch/arm/dts/Makefile | 3 +- arch/arm/dts/stm32h743i-eval.dts | 74 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 76 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/stm32h743i-eval.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index fb7ae82..38cb66b 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -205,7 +205,8 @@ dtb-$(CONFIG_ARCH_SNAPDRAGON) += dragonboard410c.dtb
dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb \ stm32f769-disco.dtb -dtb-$(CONFIG_STM32H7) += stm32h743i-disco.dtb +dtb-$(CONFIG_STM32H7) += stm32h743i-disco.dtb \ + stm32h743i-eval.dtb
dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ diff --git a/arch/arm/dts/stm32h743i-eval.dts b/arch/arm/dts/stm32h743i-eval.dts new file mode 100644 index 0000000..c6effbb --- /dev/null +++ b/arch/arm/dts/stm32h743i-eval.dts @@ -0,0 +1,74 @@ +/* + * Copyright 2017 - Alexandre Torgue alexandre.torgue@st.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32h743.dtsi" +#include "stm32h743-pinctrl.dtsi" + +/ { + model = "STMicroelectronics STM32H743i-EVAL board"; + compatible = "st,stm32h743i-eval", "st,stm32h743"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0xd0000000 0x2000000>; + }; + + aliases { + serial0 = &usart1; + }; +}; + +&clk_hse { + clock-frequency = <125000000>; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins>; + pinctrl-names = "default"; + status = "okay"; +}; +