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

From: Vikas Manocha
Date: Fri Apr 07 2017 - 21:33:37 EST

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@xxxxxx>
---
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@xxxxxx>
+ *
+ * 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 {
+ usart1_pins: usart1@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@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@xxxxxx>
+ *
+ * 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 {
+ usart1_pins: usart1@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@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";
+};
--
1.9.1