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 <vikas.manocha@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 9c5e1d9..8281654 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -790,6 +790,8 @@ 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 \
        stm32h743i-eval.dtb

diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
new file mode 100644 (file)
index 0000000..18f6560
--- /dev/null
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -0,0 +1,74 @@
+/*
+ * 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>;
+};
+
+&usart1 {
+       pinctrl-0 = <&usart1_pins_b>;
+       pinctrl-names = "default";
+       status = "okay";
+};

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index c2765ce..449f727 100644 (file)
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -326,6 +326,19 @@
                                        bias-disable;
                                };
                        };
+
+                       usart1_pins_b: usart1@1 {
+                               pins1 {
+                                       pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
+                                       bias-disable;
+                                       drive-push-pull;
+                                       slew-rate = <0>;
+                               };
+                               pins2 {
+                                       pinmux = <STM32F746_PB7_FUNC_USART1_RX>;
+                                       bias-disable;
+                               };
+                       };
                };
 
                crc: crc@40023000 {

diff --git a/arch/arm/boot/dts/stm32f769-disco.dts b/arch/arm/boot/dts/stm32f769-disco.dts
new file mode 100644 (file)
index 0000000..166728a
--- /dev/null
+++ b/arch/arm/boot/dts/stm32f769-disco.dts
@@ -0,0 +1,74 @@
+/*
+ * 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>;
+};
+
+&usart1 {
+       pinctrl-0 = <&usart1_pins_a>;
+       pinctrl-names = "default";
+       status = "okay";
+};