linux-kernel - Re: [PATCH v2 4/7] ARM: dts: sun9i: Add A80 Optimus Board support

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Message-ID: <20140925133427.GI15315@lukather>
Date:	Thu, 25 Sep 2014 15:34:27 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Shuge <shuge@...winnertech.com>,
	Meng Zhang <kevin@...winnertech.com>, ctl@...rii.com,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Subject: Re: [PATCH v2 4/7] ARM: dts: sun9i: Add A80 Optimus Board support

On Wed, Sep 24, 2014 at 10:48:58PM +0800, Chen-Yu Tsai wrote:
> The A80 Optimus Board is was launched with the Allwinner A80 SoC.
> It was jointly developed by Allwinner and Merrii.
> 
> This board has a UART port, a JTAG connector, USB host ports, a USB
> 3.0 OTG connector, an HDMI output, a micro SD slot, 8G NAND flash,
> 4G DRAM, a camera sensor interface, a WiFi/BT combo chip, a headphone
> jack, IR receiver, and additional GPIO headers.
> 
> This patch adds only basic support.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  arch/arm/boot/dts/Makefile              |  2 +
>  arch/arm/boot/dts/sun9i-a80-optimus.dts | 66 +++++++++++++++++++++++++++++++++
>  2 files changed, 68 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun9i-a80-optimus.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 2f42b18..098f319 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -424,6 +424,8 @@ dtb-$(CONFIG_MACH_SUN7I) += \
>  	sun7i-a20-pcduino3.dtb
>  dtb-$(CONFIG_MACH_SUN8I) += \
>  	sun8i-a23-ippo-q8h-v5.dtb
> +dtb-$(CONFIG_MACH_SUN9I) += \
> +	sun9i-a80-optimus.dtb
>  dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
>  	tegra20-iris-512.dtb \
>  	tegra20-medcom-wide.dtb \
> diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
> new file mode 100644
> index 0000000..f83abab
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
> @@ -0,0 +1,66 @@
> +/*
> + * Copyright 2014 Chen-Yu Tsai
> + *
> + * Chen-Yu Tsai <wens@...e.org>
> + *
> + * 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 library 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 library 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 library; 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/ "sun9i-a80.dtsi"
> +
> +/ {
> +	model = "Merrii A80 Optimus Board";
> +	compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
> +
> +	chosen {
> +		bootargs = "earlyprintk console=ttyS0,115200";
> +	};

Since you changed the memory node in the DTSI, you should probably add
one here too, don't you?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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