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ARM: dts: vf6xx: Cosmic+: M4(nommu) initial support

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Minimal Cortex-M4 device tree to boot Linux to shell. M4 is booted via
Cortex-A5 running Linux using Stefan Agner's <stefan@agner.ch> "m4boot"
utility.

Signed-off-by: Afzal Mohammed <afzal.mohd.ma@gmail.com>
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Afzal Mohammed 2015-10-25 23:20:56 +05:30 committed by Shawn Guo
parent 5f060c71aa
commit 058c0c1a44
2 changed files with 91 additions and 0 deletions
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1
arch/arm/boot/dts/Makefile
View File

@ -359,6 +359,7 @@ dtb-$(CONFIG_SOC_VF610) += \
vf610-colibri-eval-v3.dtb \
vf610m4-colibri.dtb \
vf610-cosmic.dtb \
vf610m4-cosmic.dtb \
vf610-twr.dtb
dtb-$(CONFIG_ARCH_MXS) += \
imx23-evk.dtb \

90
arch/arm/boot/dts/vf610m4-cosmic.dts Normal file
View File

@ -0,0 +1,90 @@
/*
* Device tree for Cosmic+ VF6xx Cortex-M4 support
*
* Copyright (C) 2015
*
* Based on vf610m4 Colibri
*
* 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 , 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 "vf610m4.dtsi"
/ {
model = "VF610 Cortex-M4";
compatible = "fsl,vf610m4";
};
&gpio0 {
status = "disabled";
};
&gpio1 {
status = "disabled";
};
&gpio2 {
status = "disabled";
};
&gpio3 {
status = "disabled";
};
&gpio4 {
status = "disabled";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
status = "okay";
};
&iomuxc {
vf610-cosmic {
pinctrl_uart3: uart3grp {
fsl,pins = <
VF610_PAD_PTA20__UART3_TX 0x21a2
VF610_PAD_PTA21__UART3_RX 0x21a1
>;
};
};
};