linux-kernel - Re: [PATCH v1 3/3] mtd: hisilicon: add device tree binding documentation

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Date:	Wed, 23 Jul 2014 15:03:38 +0800
From:	Zhou Wang <wangzhou.bry@...il.com>
To:	Zhou Wang <wangzhou.bry@...il.com>
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>,
	Russell King <linux@....linux.org.uk>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	Pekon Gupta <pekon@...com>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	Alexander Shiyan <shc_work@...l.ru>,
	Ivan Khoronzhuk <ivan.khoronzhuk@...com>,
	Jussi Kivilinna <jussi.kivilinna@....fi>,
	Joern Engel <joern@...fs.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-mtd@...ts.infradead.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, wangzhou1@...ilicon.com,
	caizhiyong@...wei.com
Subject: Re: [PATCH v1 3/3] mtd: hisilicon: add device tree binding documentation

On 2014年07月15日 18:58, Zhou Wang wrote:
> Signed-off-by: Zhou Wang <wangzhou.bry@...il.com>
> ---
>   .../devicetree/bindings/mtd/hisi-nand.txt          |   40 ++++++++++++++++++++
>   1 file changed, 40 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/mtd/hisi-nand.txt
>

Hi Randy Dunlap,

Is there anything that should be modified about this binding document? 
It would be very appreciated that I could get some comments from you.

Best regards,
Zhou

> diff --git a/Documentation/devicetree/bindings/mtd/hisi-nand.txt b/Documentation/devicetree/bindings/mtd/hisi-nand.txt
> new file mode 100644
> index 0000000..c8b3988
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/hisi-nand.txt
> @@ -0,0 +1,40 @@
> +Hisilicon Hip04 Soc NAND controller DT binding
> +
> +Required properties:
> +- compatible:          Should be "hisilicon,504-nfc".
> +- reg:                 The first contains base physical address and size of
> +                       NAND controller's registers. The second contains base
> +                       physical address and size of NAND controller's buffer.
> +- interrupts:          Interrupt number for nfc.
> +- nand-bus-width:      See nand.txt.
> +- nand-ecc-mode:       See nand.txt.
> +- hisi,nand-ecc-bits:  ECC bits type support.
> +                 <0>:  none ecc
> +                 <1>:  Can correct 1bit per 512byte.
> +                 <6>:  Can correct 16bits per 1K byte.
> +- #address-cells:      partition address, should be set 1.
> +- #size-cells:         partition size, should be set 1.
> +
> +Flash chip may optionally contain additional sub-nodes describing partitions of
> +the address space. See partition.txt for more detail.
> +
> +Example:
> +
> +	nand: nand@...0000 {
> +		compatible = "hisilicon,504-nfc";
> +		reg = <0x4020000 0x10000>, <0x5000000 0x1000>;
> +		interrupts = <0 379 4>;
> +		nand-bus-width = <8>;
> +		nand-ecc-mode = "hw";
> +		hisi,nand-ecc-bits = <1>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +
> +		partition@0 {
> +			label = "nand_text";
> +			reg = <0x00000000 0x00400000>;
> +		};
> +
> +		...
> +
> +	};
>

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