Messages in this thread | | | Date | Fri, 7 Jun 2013 19:03:59 +0200 | From | Maxime Ripard <> | Subject | Re: [PATCH 2/2] ARM: dts: mvebu: Add the i2c-bridge capability to the mv64xxx-i2c |
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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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