Commit 058c0c1a authored by Afzal Mohammed's avatar Afzal Mohammed Committed by Shawn Guo
Browse files

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



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: default avatarAfzal Mohammed <afzal.mohd.ma@gmail.com>
Acked-by: default avatarStefan Agner <stefan@agner.ch>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 5f060c71

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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 \

arch/arm/boot/dts/vf610m4-cosmic.dts

0 → 100644
+90 −0
Original line number Diff line number Diff line 
/*

 * 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

			>;

		};

	};

};