linux-kernel - Re: [PATCH v1 1/5] ARM: imx28: add basic dt support

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Date:	Wed, 14 Mar 2012 20:41:23 +0100
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Dong Aisheng <b29396@...escale.com>
Cc:	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	shawn.guo@...escale.com, kernel@...gutronix.de,
	grant.likely@...retlab.ca, rob.herring@...xeda.com, cjb@...top.org,
	rdunlap@...otime.net, vinod.koul@...ux.intel.com
Subject: Re: [PATCH v1 1/5] ARM: imx28: add basic dt support

On Tue, Mar 13, 2012 at 04:47:04PM +0800, Dong Aisheng wrote:
> From: Dong Aisheng <dong.aisheng@...aro.org>
> 
> This patch includes basic dt support which can boot via nfs rootfs.
> 
> Signed-off-by: Dong Aisheng <dong.aisheng@...aro.org>
> ---
>  Documentation/devicetree/bindings/arm/fsl.txt |    4 +
>  arch/arm/boot/dts/imx28-evk.dts               |   31 +++++++++
>  arch/arm/boot/dts/imx28.dtsi                  |   88 +++++++++++++++++++++++++
>  arch/arm/mach-mxs/Kconfig                     |    9 +++
>  arch/arm/mach-mxs/Makefile                    |    1 +
>  arch/arm/mach-mxs/imx28-dt.c                  |   67 +++++++++++++++++++
>  6 files changed, 200 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt
> index 54bddda..9f21faf 100644
> --- a/Documentation/devicetree/bindings/arm/fsl.txt
> +++ b/Documentation/devicetree/bindings/arm/fsl.txt
> @@ -1,6 +1,10 @@

> +
> +static const char *imx28_dt_compat[] __initdata = {
> +	"fsl,imx28-evk",
> +	NULL,
> +};
> +

I suggest to add a generic "fsl,imx28" entry here. It helps people to
start an unpatched kernel on their boards.

Sascha

> +DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")
> +	.map_io		= mx28_map_io,
> +	.init_irq	= imx28_dt_init_irq,
> +	.timer		= &imx28_timer,
> +	.init_machine	= imx28_init,
> +	.dt_compat	= imx28_dt_compat,
> +	.restart	= mxs_restart,
> +MACHINE_END
> -- 
> 1.7.0.4
> 
> 
> 

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