linux-kernel - Re: [PATCH v4 2/2] mtd: nand: add sunxi NFC dt bindings doc

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Date:	Mon, 18 Aug 2014 20:58:10 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	linux-mtd@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	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>, devicetree@...r.kernel.org,
	linux-sunxi@...glegroups.com, "Dmitriy B." <rzk333@...il.com>,
	Yassin Jaffer <yassinjaffer@...il.com>,
	Jonas Meyer <quitte@...il.com>
Subject: Re: [PATCH v4 2/2] mtd: nand: add sunxi NFC dt bindings doc

Hi Boris,

On Mon, Aug 18, 2014 at 07:26:28PM +0200, Boris BREZILLON wrote:
> Add the sunxi NAND Flash Controller dt bindings documentation.
> 
> Signed-off-by: Boris BREZILLON <boris.brezillon@...e-electrons.com>
> ---
>  .../devicetree/bindings/mtd/sunxi-nand.txt         | 45 ++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/sunxi-nand.txt
> 
> diff --git a/Documentation/devicetree/bindings/mtd/sunxi-nand.txt b/Documentation/devicetree/bindings/mtd/sunxi-nand.txt
> new file mode 100644
> index 0000000..798c691
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/sunxi-nand.txt
> @@ -0,0 +1,45 @@
> +Allwinner NAND Flash Controller (NFC)
> +
> +Required properties:
> +- compatible : "allwinner,sun4i-nand".

The pattern we usually have for the sunxi SoCs is
allwinner,family-soc-*, which would be allwinner,sun4i-a10-nand in
this case.

> +- reg : shall contain registers location and length for data and reg.
> +- interrupts : shall define the nand controller interrupt.
> +- #address-cells: shall be set to 1. Encode the nand CS.
> +- #size-cells : shall be set to 0.
> +- clocks : shall reference nand controller clocks.
> +- clock-names : nand controller internal clock names. Shall contain :
> +    * "ahb_clk" : AHB gating clock
> +    * "sclk" : nand controller clock

And we're usually using "ahb" and "mod" in such a case.

It looks fine otherwise.

Thanks!
Maxime

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

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