Re: [PATCH 2/2] ARM: dts: mvebu: Add the i2c-bridge capability tothe mv64xxx-i2c
From: Jason Cooper
Date: Fri Jun 07 2013 - 14:10:24 EST
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@xxxxxxxxxxxxxxxxxx>
> 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.
Do you have a list of which controllers definitely do, or definitely
don't? That would be helpful for folks adding new boards.
nit. should the example be updated?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/