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    Subject[PATCH v9 5/5] ARM: dts: Introduce STM32F429 MCU
    Date
    The STMicrolectornics's STM32F429 MCU has the following main features:
    - Cortex-M4 core running up to @180MHz
    - 2MB internal flash, 256KBytes internal RAM
    - FMC controller to connect SDRAM, NOR and NAND memories
    - SD/MMC/SDIO support
    - Ethernet controller
    - USB OTFG FS & HS controllers
    - I2C, SPI, CAN busses support
    - Several 16 & 32 bits general purpose timers
    - Serial Audio interface
    - LCD controller

    Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
    Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
    ---
    arch/arm/boot/dts/Makefile | 1 +
    arch/arm/boot/dts/stm32f429-disco.dts | 71 +++++++++++
    arch/arm/boot/dts/stm32f429.dtsi | 214 ++++++++++++++++++++++++++++++++++
    3 files changed, 286 insertions(+)
    create mode 100644 arch/arm/boot/dts/stm32f429-disco.dts
    create mode 100644 arch/arm/boot/dts/stm32f429.dtsi

    diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
    index 86217db..db1d8c6 100644
    --- a/arch/arm/boot/dts/Makefile
    +++ b/arch/arm/boot/dts/Makefile
    @@ -520,6 +520,7 @@ dtb-$(CONFIG_ARCH_STI) += \
    stih416-b2020.dtb \
    stih416-b2020e.dtb \
    stih418-b2199.dtb
    +dtb-$(CONFIG_ARCH_STM32)+= stm32f429-disco.dtb
    dtb-$(CONFIG_MACH_SUN4I) += \
    sun4i-a10-a1000.dtb \
    sun4i-a10-ba10-tvbox.dtb \
    diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
    new file mode 100644
    index 0000000..6b9aa59
    --- /dev/null
    +++ b/arch/arm/boot/dts/stm32f429-disco.dts
    @@ -0,0 +1,71 @@
    +/*
    + * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.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.
    + *
    + * You should have received a copy of the GNU General Public
    + * License along with this file; if not, write to the Free
    + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
    + * MA 02110-1301 USA
    + *
    + * 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 "stm32f429.dtsi"
    +
    +/ {
    + model = "STMicroelectronics STM32F429i-DISCO board";
    + compatible = "st,stm32f429i-disco", "st,stm32f429";
    +
    + chosen {
    + bootargs = "console=ttyS0,115200 root=/dev/ram rdinit=/linuxrc";
    + linux,stdout-path = &usart1;
    + };
    +
    + memory {
    + reg = <0x90000000 0x800000>;
    + };
    +
    + aliases {
    + serial0 = &usart1;
    + };
    +};
    +
    +&usart1 {
    + status = "okay";
    +};
    diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
    new file mode 100644
    index 0000000..aa73b4f
    --- /dev/null
    +++ b/arch/arm/boot/dts/stm32f429.dtsi
    @@ -0,0 +1,214 @@
    +/*
    + * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.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.
    + *
    + * You should have received a copy of the GNU General Public
    + * License along with this file; if not, write to the Free
    + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
    + * MA 02110-1301 USA
    + *
    + * 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.
    + */
    +
    +#include "armv7-m.dtsi"
    +
    +/ {
    + clocks {
    + clk_sysclk: clk-sysclk {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <180000000>;
    + };
    +
    + clk_hclk: clk-hclk {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <180000000>;
    + };
    +
    + clk_pclk1: clk-pclk1 {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <45000000>;
    + };
    +
    + clk_pclk2: clk-pclk2 {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <90000000>;
    + };
    +
    + clk_pmtr1: clk-pmtr1 {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <90000000>;
    + };
    +
    + clk_pmtr2: clk-pmtr2 {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <180000000>;
    + };
    +
    + clk_systick: clk-systick {
    + compatible = "fixed-factor-clock";
    + clocks = <&clk_hclk>;
    + #clock-cells = <0>;
    + clock-div = <8>;
    + clock-mult = <1>;
    + };
    + };
    +
    + soc {
    + timer2: timer@40000000 {
    + compatible = "st,stm32-timer";
    + reg = <0x40000000 0x400>;
    + interrupts = <28>;
    + clocks = <&clk_pmtr1>;
    + status = "disabled";
    + };
    +
    + timer3: timer@40000400 {
    + compatible = "st,stm32-timer";
    + reg = <0x40000400 0x400>;
    + interrupts = <29>;
    + clocks = <&clk_pmtr1>;
    + status = "disabled";
    + };
    +
    + timer4: timer@40000800 {
    + compatible = "st,stm32-timer";
    + reg = <0x40000800 0x400>;
    + interrupts = <30>;
    + clocks = <&clk_pmtr1>;
    + status = "disabled";
    + };
    +
    + timer5: timer@40000c00 {
    + compatible = "st,stm32-timer";
    + reg = <0x40000c00 0x400>;
    + interrupts = <50>;
    + clocks = <&clk_pmtr1>;
    + };
    +
    + timer6: timer@40001000 {
    + compatible = "st,stm32-timer";
    + reg = <0x40001000 0x400>;
    + interrupts = <54>;
    + clocks = <&clk_pmtr1>;
    + status = "disabled";
    + };
    +
    + timer7: timer@40001400 {
    + compatible = "st,stm32-timer";
    + reg = <0x40001400 0x400>;
    + interrupts = <55>;
    + clocks = <&clk_pmtr1>;
    + status = "disabled";
    + };
    +
    + usart2: serial@40004400 {
    + compatible = "st,stm32-usart", "st,stm32-uart";
    + reg = <0x40004400 0x400>;
    + interrupts = <38>;
    + clocks = <&clk_pclk1>;
    + status = "disabled";
    + };
    +
    + usart3: serial@40004800 {
    + compatible = "st,stm32-usart", "st,stm32-uart";
    + reg = <0x40004800 0x400>;
    + interrupts = <39>;
    + clocks = <&clk_pclk1>;
    + status = "disabled";
    + };
    +
    + usart4: serial@40004c00 {
    + compatible = "st,stm32-uart";
    + reg = <0x40004c00 0x400>;
    + interrupts = <52>;
    + clocks = <&clk_pclk1>;
    + status = "disabled";
    + };
    +
    + usart5: serial@40005000 {
    + compatible = "st,stm32-uart";
    + reg = <0x40005000 0x400>;
    + interrupts = <53>;
    + clocks = <&clk_pclk1>;
    + status = "disabled";
    + };
    +
    + usart7: serial@40007800 {
    + compatible = "st,stm32-usart", "st,stm32-uart";
    + reg = <0x40007800 0x400>;
    + interrupts = <82>;
    + clocks = <&clk_pclk1>;
    + status = "disabled";
    + };
    +
    + usart8: serial@40007c00 {
    + compatible = "st,stm32-usart", "st,stm32-uart";
    + reg = <0x40007c00 0x400>;
    + interrupts = <83>;
    + clocks = <&clk_pclk1>;
    + status = "disabled";
    + };
    +
    + usart1: serial@40011000 {
    + compatible = "st,stm32-usart", "st,stm32-uart";
    + reg = <0x40011000 0x400>;
    + interrupts = <37>;
    + clocks = <&clk_pclk2>;
    + status = "disabled";
    + };
    +
    + usart6: serial@40011400 {
    + compatible = "st,stm32-usart", "st,stm32-uart";
    + reg = <0x40011400 0x400>;
    + interrupts = <71>;
    + clocks = <&clk_pclk2>;
    + status = "disabled";
    + };
    + };
    +};
    +
    +&systick {
    + clocks = <&clk_systick>;
    + status = "okay";
    +};
    --
    1.9.1


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