From mboxrd@z Thu Jan  1 00:00:00 1970
From: mark.rutland@arm.com (Mark Rutland)
Date: Fri, 23 Aug 2013 18:04:11 +0100
Subject: [PATCH v7] ARM: dts: mvebu: Introduce a new compatible string
 for mv64xxx-i2c
In-Reply-To: <1377243174-15877-1-git-send-email-gregory.clement@free-electrons.com>
References: <1377243174-15877-1-git-send-email-gregory.clement@free-electrons.com>
Message-ID: <20130823170411.GE7015@e106331-lin.cambridge.arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Aug 23, 2013 at 08:32:54AM +0100, Gregory CLEMENT wrote:
> The mv64xxx-i2c embedded in the Armada XP have a new feature to
> offload i2c transaction. This new version of the IP come also with
> some errata. This lead to the introduction to a another compatible
> string.
> 
> This commit updates the Device Tree binding documentation accordingly.
> 
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> ---
> Changelog v6 -> v7:
> 
> - only keep "marvell,mv7230-i2c" for compatible name
> 
> - replace "For a controller which support the I2C Transaction
>   Generator" by "For the Armada XP" in the examples
> 
>  Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> index 6113f92..73cdc03 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> @@ -5,6 +5,7 @@ Required properties :
>  
>   - reg             : Offset and length of the register set for the device
>   - compatible      : Should be "marvell,mv64xxx-i2c" or "allwinner,sun4i-i2c"
> +                     or "marvell,mv7230-i2c"

Ok, the new string looks sane, so I'm not opposed to that.

>   - interrupts      : The interrupt number
>  
>  Optional properties :
> @@ -20,3 +21,12 @@ Examples:
>  		interrupts = <29>;
>  		clock-frequency = <100000>;
>  	};
> +
> +For the Armada XP:
> +
> +	i2c at 11000 {
> +		compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
                                         ^ That '8' shouldn't be there.

> +		reg = <0x11000 0x100>;
> +		interrupts = <29>;
> +		clock-frequency = <100000>;
> +	};

Thanks,
Mark.