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Message-ID: <6ed40cc7c8a0c362c3c41cfc914581c4@agner.ch>
Date: Tue, 24 Nov 2015 11:27:55 -0800
From: Stefan Agner <stefan@...er.ch>
To: Shawn Guo <shawnguo@...nel.org>
Cc: Afzal Mohammed <afzal.mohd.ma@...il.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
Russell King <linux@....linux.org.uk>,
Pawel Moll <pawel.moll@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Rob Herring <robh+dt@...nel.org>,
Sascha Hauer <kernel@...gutronix.de>
Subject: Re: [PATCH] ARM: dts: vf6xx: Cosmic+: M4(nommu) initial support
On 2015-11-23 19:26, Shawn Guo wrote:
> On Sun, Oct 25, 2015 at 11:20:56PM +0530, Afzal Mohammed wrote:
>> Minimal Cortex-M4 device tree to boot Linux to shell. M4 is booted via
>> Cortex-A5 running Linux using Stefan Agner's <stefan@...er.ch> "m4boot"
>> utility.
>>
>> Signed-off-by: Afzal Mohammed <afzal.mohd.ma@...il.com>
>
> Stefan,
>
> Are you okay with this patch?
Looks good to me:
Acked-by: Stefan Agner <stefan@...er.ch>
--
Stefan
>> ---
>> arch/arm/boot/dts/Makefile | 1 +
>> arch/arm/boot/dts/vf610m4-cosmic.dts | 90 ++++++++++++++++++++++++++++++++++++
>> 2 files changed, 91 insertions(+)
>> create mode 100644 arch/arm/boot/dts/vf610m4-cosmic.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index bb8fa023d574..06a1a7a1d104 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -347,6 +347,7 @@ 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 \
>> diff --git a/arch/arm/boot/dts/vf610m4-cosmic.dts b/arch/arm/boot/dts/vf610m4-cosmic.dts
>> new file mode 100644
>> index 000000000000..8944a2d2054c
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/vf610m4-cosmic.dts
>> @@ -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
>> + >;
>> + };
>> + };
>> +};
>> --
>> 2.5.1
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>>
--
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