[PATCH] ARM: dts: stm32f7: add STM32f769I & stm32f746 discovery board support

[alexandre.torgue@st.com (Alexandre Torgue)]

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@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@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@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";
> +};
>