ARM: dts: Add STM32F746 MCU and STM32746g-EVAL board

The STMicrolectornics's STM32F746 MCU has the following main features:
 - Cortex-M7 core running up to @216MHz
 - 1MB internal flash, 320KBytes internal RAM (+4KB of backup SRAM)
 - FMC controller to connect SDRAM, NOR and NAND memories
 - Dual mode QSPI
 - 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
 - HDMI-CEC
 - SPDIFRX

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

1 files changed, 96 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/stm32746g-eval.dts b/arch/arm/boot/dts/stm32746g-eval.dts
new file mode 100644
index 000000000000..aa03fac1ec55
--- /dev/null
+++ b/arch/arm/boot/dts/stm32746g-eval.dts
@@ -0,0 +1,96 @@
+/*
+ * 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.
+ *
+ * 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 STM32746g-EVAL board";
+	compatible = "st,stm32746g-eval", "st,stm32f746";
+
+	chosen {
+		bootargs = "root=/dev/ram";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		reg = <0xc0000000 0x2000000>;
+	};
+
+	aliases {
+		serial0 = &usart1;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		green {
+			gpios = <&gpiof 10 1>;
+			linux,default-trigger = "heartbeat";
+		};
+		red {
+			gpios = <&gpiob 7 1>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		button@0 {
+			label = "Wake up";
+			linux,code = <KEY_WAKEUP>;
+			gpios = <&gpioc 13 0>;
+		};
+	};
+};
+
+&clk_hse {
+	clock-frequency = <25000000>;
+};
+
+&usart1 {
+	pinctrl-0 = <&usart1_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};