From f44848b6f7ca8b8cbc3d04be3eb476b1ec531681 Mon Sep 17 00:00:00 2001 From: Vikas Manocha Date: Wed, 7 Jun 2017 13:55:25 +0200 Subject: ARM: dts: stm32: add stm32f769I & stm32f746 discovery board support Stm32f769I & stm32f746 are MCUs of stm32f7 family. Here are the major specs of the two boards: stm32f769I discovery board: - Cortex-M7 core @216MHz - 2MB mcu internal flash - 512KB internal sram - 16MB sdram memory - 64MB qspi flash memory - 4 inch wvga LCD-TFT Display stm32f746 discovery board: - Cortex-M7 core @216MHz - 1MB mcu internal flash - 320KB internal sram - 8MB sdram memory - 16MB qspi flash memory - 4.3 inch 480x272 LCD-TFT display Signed-off-by: Vikas Manocha Signed-off-by: Alexandre TORGUE --- arch/arm/boot/dts/stm32f746-disco.dts | 74 +++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 arch/arm/boot/dts/stm32f746-disco.dts (limited to 'arch/arm/boot/dts/stm32f746-disco.dts') diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts new file mode 100644 index 000000000000..18f656074437 --- /dev/null +++ b/arch/arm/boot/dts/stm32f746-disco.dts @@ -0,0 +1,74 @@ +/* + * Copyright 2017 - Vikas MANOCHA + * + * 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 "stm32f746.dtsi" +#include + +/ { + model = "STMicroelectronics STM32F746-DISCO board"; + compatible = "st,stm32f746-disco", "st,stm32f746"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0xC0000000 0x800000>; + }; + + aliases { + serial0 = &usart1; + }; + +}; + +&clk_hse { + clock-frequency = <25000000>; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins_b>; + pinctrl-names = "default"; + status = "okay"; +}; -- cgit v1.2.3