linux-kernel - Re: [PATCH 2/2] ARM: dts: berlin2q: add the Marvell BG2-Q DMP device tree

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Date:	Thu, 13 Mar 2014 10:08:36 +0000
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>
CC:	alexandre.belloni@...e-electrons.com, zmxu@...vell.com,
	jszhang@...vell.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: berlin2q: add the Marvell BG2-Q DMP device
 tree

On 03/12/2014 11:06 AM, Antoine Ténart wrote:
> Signed-off-by: Antoine Ténart <antoine.tenart@...e-electrons.com>
> ---
>   arch/arm/boot/dts/Makefile         |  3 ++-
>   arch/arm/boot/dts/berlin2q-dmp.dts | 32 ++++++++++++++++++++++++++++++++
>   2 files changed, 34 insertions(+), 1 deletion(-)
>   create mode 100644 arch/arm/boot/dts/berlin2q-dmp.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 032030361bef..1a2adadfb962 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -52,7 +52,8 @@ dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm11351-brt.dtb \
>   dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
>   dtb-$(CONFIG_ARCH_BERLIN) += \
>   	berlin2-sony-nsz-gs7.dtb	\
> -	berlin2cd-google-chromecast.dtb
> +	berlin2cd-google-chromecast.dtb	\
> +	berlin2q-dmp.dtb

If it is "the" Marvell reference board, the file should be named
berlin2q-marvell-dmp.dtb.

>   dtb-$(CONFIG_ARCH_DAVINCI) += da850-enbw-cmc.dtb \
>   	da850-evm.dtb
>   dtb-$(CONFIG_ARCH_DOVE) += dove-cm-a510.dtb \
> diff --git a/arch/arm/boot/dts/berlin2q-dmp.dts b/arch/arm/boot/dts/berlin2q-dmp.dts
> new file mode 100644
> index 000000000000..6a98860e0251
> --- /dev/null
> +++ b/arch/arm/boot/dts/berlin2q-dmp.dts
> @@ -0,0 +1,32 @@
> +/*
> + * Copyright (C) 2014 Antoine Ténart <antoine.tenart@...e-electrons.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +/dts-v1/;
> +#include "berlin2q.dtsi"
> +
> +/ {
> +	model = "Marvell BG2-Q DMP";
> +	compatible = "marvell,berlin2q-dmp", "marvell,berlin2q", "marvell,berlin";
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x00000000 0x40000000>;

Please double-check Jisheng's comment about memory size.

> +	};
> +
> +	choosen {
> +		bootargs = "console=ttyS0,115200 earlyprintk";
> +	};
> +
> +	soc {
> +		apb@...000 {
> +			uart0: uart@...0 {
> +				status = "okay";
> +			};
> +		};
> +	};

And Arnd's comment about using &uart0 instead.

Beside the comments made, this all looks fine.

Sebastian

> +};
>

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