From mboxrd@z Thu Jan  1 00:00:00 1970
From: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [Patch v3 5/5] ARM: tegra: enable NAND flash on Colibri T20
Date: Tue, 21 Jul 2015 14:07:02 -0700
Message-ID: <20150721210702.GM24125@google.com>
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To: Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org>
Cc: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Alexandre Courbot <gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Boris BREZILLON <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>, Ezequiel Garcia <ezequiel-30ULvvUtt6G51wMPkGsGjgyUoB5FGQPZ@public.gmane.org>, Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org>, Marcel Ziswiler <marcel-mitwqZ+T+m9Wk0Htik3J/w@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
List-Id: linux-tegra@vger.kernel.org

On Sun, May 10, 2015 at 08:30:02PM +0200, Lucas Stach wrote:
> This enables the on-module ONFI conformant NAND flash.
> 
> Signed-off-by: Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org>
> ---
>  arch/arm/boot/dts/tegra20-colibri-512.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> index 8e0066a..540b3fd 100644
> --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> +++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> @@ -455,6 +455,13 @@
>  		};
>  	};
>  
> +	nand@70008000 {
> +		status = "okay";
> +		nand-bus-width = <8>;
> +		nand-on-flash-bbt;
> +		nvidia,wp-gpios = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_HIGH>;

^^ Is write-protect support necessary, or just optional? b/c you didn't
implement support in the NAND driver yet.

> +	};
> +
>  	usb@c5004000 {
>  		status = "okay";
>  		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)

Brian
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