[PATCH 1/3] ARM: stm32: Supply a DTS file for the STM32F469 Discovery board

From: Lee Jones
Date: Tue Feb 16 2016 - 09:20:00 EST


It's pretty similar to the STM32F429, but there are some
subtle changes required to boot successfully.

Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/stm32f469-disco.dts | 75 +++++++++++++++++++++++++++++++++++
2 files changed, 76 insertions(+)
create mode 100644 arch/arm/boot/dts/stm32f469-disco.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 30bbc37..c9d8023 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -583,6 +583,7 @@ dtb-$(CONFIG_ARCH_STI) += \
stih418-b2199.dtb
dtb-$(CONFIG_ARCH_STM32)+= \
stm32f429-disco.dtb \
+ stm32f469-disco.dtb \
stm32429i-eval.dtb
dtb-$(CONFIG_MACH_SUN4I) += \
sun4i-a10-a1000.dtb \
diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
new file mode 100644
index 0000000..e911af8
--- /dev/null
+++ b/arch/arm/boot/dts/stm32f469-disco.dts
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016 - Lee Jones <lee.jones@xxxxxxxxxx>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this file; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * 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 "stm32f429.dtsi"
+
+/ {
+ model = "STMicroelectronics STM32F469i-DISCO board";
+ compatible = "st,stm32f469i-disco", "st,stm32f469";
+
+ chosen {
+ bootargs = "root=/dev/ram rdinit=/linuxrc";
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ reg = <0x00000000 0x800000>;
+ };
+
+ aliases {
+ serial0 = &usart3;
+ };
+};
+
+&clk_hse {
+ clock-frequency = <8000000>;
+};
+
+&usart3 {
+ status = "okay";
+};
--
1.9.1