Re: [PATCH 2/2] ARM: dts: mvebu: Add the i2c-bridge capability tothe mv64xxx-i2c
From: Russell King - ARM Linux
Date: Fri Jun 07 2013 - 15:53:39 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.
Personally, I don't like this "i2c-bridge" flag either, but for a different
reason - i2c-bridge makes it sound like it's doing something it's not.
What it is doing is as you stated in the cover - it's an offload mechanism,
just like if it were possible to use DMA to supply the data to the I2C
I think Maxime is correct - this should be identified by a variation in
the compatible string, not by a flag in DT.
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