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SubjectRe: [PATCH 2/2] ARM: dts: mvebu: Add the i2c-bridge capability to the mv64xxx-i2c
Hi Greg,

On Fri, Jun 07, 2013 at 05:42:23PM +0200, Gregory CLEMENT wrote:
> The mv64xxx-i2c embedded in the Armada XP have a new feature called
> i2c-bridge. This commit split the i2c information into armada-370.dtsi
> and armada-xp.dtsi. Most of the data remains the same and stay in the
> common file Armada-370-xp.dtsi. With this new feature the size of the
> registers are bigger for Armada XP and for this SoCs we add a new flag
> for the i2c-bridge capability.
>
> The Device Tree binding documentation is updated accordingly.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> ---
> Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt | 6 ++++++
> arch/arm/boot/dts/armada-370-xp.dtsi | 2 --
> arch/arm/boot/dts/armada-370.dtsi | 8 ++++++++
> arch/arm/boot/dts/armada-xp.dtsi | 10 ++++++++++
> 4 files changed, 24 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> index f46d928..8ede3e7 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> @@ -8,6 +8,12 @@ Required properties :
> - interrupts : The interrupt number
> - clock-frequency : Desired I2C bus clock frequency in Hz.
>
> +Optional properties :
> +
> +- i2c,i2c-bridge : This flag indicate that the i2c controller have the
> + Transaction Generator support and we want to use it. Not all the
> + mv64xxx controller have this feature.

Why not using a different compatible string here then?

Maxime


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