[PATCH] ARM: dts: stm32f7: add STM32f769I & stm32f746 discovery board support
Alexandre Torgue
alexandre.torgue at st.com
Mon Apr 10 03:23:20 EDT 2017
Hi
On 04/08/2017 03:12 AM, Vikas Manocha wrote:
> Stm32f769I & stm32f746 are MCUs of stm32f7 family. Here are the major
> spces 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 <vikas.manocha at st.com>
> ---
> arch/arm/boot/dts/Makefile | 2 +
> arch/arm/boot/dts/stm32f746-disco.dts | 101 ++++++++++++++++++++++++++++++++++
> arch/arm/boot/dts/stm32f746.dtsi | 2 +-
> arch/arm/boot/dts/stm32f769-disco.dts | 101 ++++++++++++++++++++++++++++++++++
> 4 files changed, 205 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/stm32f746-disco.dts
> create mode 100644 arch/arm/boot/dts/stm32f769-disco.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 0118084..a119f74 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -763,6 +763,8 @@ dtb-$(CONFIG_ARCH_STI) += \
> dtb-$(CONFIG_ARCH_STM32)+= \
> stm32f429-disco.dtb \
> stm32f469-disco.dtb \
> + stm32f746-disco.dtb \
> + stm32f769-disco.dtb \
> stm32429i-eval.dtb \
> stm32746g-eval.dtb
> dtb-$(CONFIG_MACH_SUN4I) += \
> diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
> new file mode 100644
> index 0000000..c0e313f
> --- /dev/null
> +++ b/arch/arm/boot/dts/stm32f746-disco.dts
> @@ -0,0 +1,101 @@
> +/*
> + * Copyright 2017 - Vikas MANOCHA <vikas.manocha at 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 "stm32f746.dtsi"
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + 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>;
> +};
> +
> +&pinctrl {
Pin muxing is not defined in board file. Please move it into SOC dtsi file.
> + usart1_pins: usart1 at 0 {
> + pins1 {
> + pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
> + bias-disable;
> + drive-push-pull;
> + slew-rate = <2>;
> + };
> + pins2 {
> + pinmux = <STM32F746_PB7_FUNC_USART1_RX>;
> + bias-disable;
> + };
> + };
> +
> + qspi_pins: qspi at 0 {
> + pins {
> + pinmux = <STM32F746_PB2_FUNC_QUADSPI_CLK>,
> + <STM32F746_PB6_FUNC_QUADSPI_BK1_NCS>,
> + <STM32F746_PD11_FUNC_QUADSPI_BK1_IO0>,
> + <STM32F746_PD12_FUNC_QUADSPI_BK1_IO1>,
> + <STM32F746_PD13_FUNC_QUADSPI_BK1_IO3>,
> + <STM32F746_PE2_FUNC_QUADSPI_BK1_IO2>;
> + slew-rate = <2>;
> + };
> + };
> +};
> +
> +&usart1 {
> + pinctrl-0 = <&usart1_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
> index f321ffe..826700f 100644
> --- a/arch/arm/boot/dts/stm32f746.dtsi
> +++ b/arch/arm/boot/dts/stm32f746.dtsi
> @@ -178,7 +178,7 @@
> interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
> };
>
> - pin-controller {
> + pinctrl: pin-controller {
> #address-cells = <1>;
> #size-cells = <1>;
> compatible = "st,stm32f746-pinctrl";
> diff --git a/arch/arm/boot/dts/stm32f769-disco.dts b/arch/arm/boot/dts/stm32f769-disco.dts
> new file mode 100644
> index 0000000..5f8558e
> --- /dev/null
> +++ b/arch/arm/boot/dts/stm32f769-disco.dts
> @@ -0,0 +1,101 @@
> +/*
> + * Copyright 2017 - Vikas MANOCHA <vikas.manocha at 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 "stm32f746.dtsi"
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + model = "STMicroelectronics STM32F769-DISCO board";
> + compatible = "st,stm32f769-disco", "st,stm32f7";
> +
> + chosen {
> + bootargs = "root=/dev/ram";
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory {
> + reg = <0xC0000000 0x1000000>;
> + };
> +
> + aliases {
> + serial0 = &usart1;
> + };
> +
> +};
> +
> +&clk_hse {
> + clock-frequency = <25000000>;
> +};
> +
> +&pinctrl {
same.
> + usart1_pins: usart1 at 0 {
> + pins1 {
> + pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
> + bias-disable;
> + drive-push-pull;
> + slew-rate = <2>;
> + };
> + pins2 {
> + pinmux = <STM32F746_PA10_FUNC_USART1_RX>;
> + bias-disable;
> + };
> + };
> +
> + qspi_pins: qspi at 0 {
> + pins {
> + pinmux = <STM32F746_PB2_FUNC_QUADSPI_CLK>,
> + <STM32F746_PB6_FUNC_QUADSPI_BK1_NCS>,
> + <STM32F746_PC9_FUNC_QUADSPI_BK1_IO0>,
> + <STM32F746_PC10_FUNC_QUADSPI_BK1_IO1>,
> + <STM32F746_PD13_FUNC_QUADSPI_BK1_IO3>,
> + <STM32F746_PE2_FUNC_QUADSPI_BK1_IO2>;
> + slew-rate = <2>;
> + };
> + };
> +};
> +
> +&usart1 {
> + pinctrl-0 = <&usart1_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
>
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