From 437074645873d77e8958be4f7eeec66a69cf0077 Mon Sep 17 00:00:00 2001 From: Patrice Chotard Date: Wed, 7 Jun 2017 09:16:00 +0200 Subject: [PATCH] ARM: dts: stm32: Add stm32h743i-disco board Add basic support for stm32h743i-discovery board This board offers : _ 2MBytes Flash _ 1 x micro USB OTG port _ 1 x STLink connector (micro USB) _ 1 x micro SD card slot _ 1 x RJ45 connector _ 1 x RCA connector _ 2 x Audio jack connectors (in and out) _ 2 x speaker connectors (left and right) _ 1 x joystick _ 1 x DCMI connector (Digital camera interface) _ 1 x 4 inch DSI LCD (Display Serial Interface) _ Arduino Uno Connectors _ 2 x PIO connectors (PMOD and PMOD+) _ 1 x wakeup button _ 1 x reset button Signed-off-by: Patrice Chotard Signed-off-by: Alexandre TORGUE --- arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/stm32h743i-disco.dts | 73 ++++++++++++++++++++++++++ 2 files changed, 75 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 828165479ab0..7697691b70df 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -794,7 +794,8 @@ dtb-$(CONFIG_ARCH_STM32)+= \ stm32f769-disco.dtb \ stm32429i-eval.dtb \ stm32746g-eval.dtb \ - stm32h743i-eval.dtb + stm32h743i-eval.dtb \ + stm32h743i-disco.dtb dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ sun4i-a10-ba10-tvbox.dtb \ diff --git a/arch/arm/boot/dts/stm32h743i-disco.dts b/arch/arm/boot/dts/stm32h743i-disco.dts new file mode 100644 index 000000000000..79e841d94079 --- /dev/null +++ b/arch/arm/boot/dts/stm32h743i-disco.dts @@ -0,0 +1,73 @@ +/* + * Copyright 2017 - Patrice Chotard + * + * 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-Discovery board"; + compatible = "st,stm32h743i-disco", "st,stm32h743"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0xd0000000 0x2000000>; + }; + + aliases { + serial0 = &usart2; + }; +}; + +&clk_hse { + clock-frequency = <125000000>; +}; + +&usart2 { + pinctrl-0 = <&usart2_pins>; + pinctrl-names = "default"; + status = "okay"; +}; -- 2.45.2