[PATCH V2 2/4] i2c: tegra: Support DVC controller in device tree

Olof Johansson olof at lixom.net
Tue Dec 20 12:57:10 EST 2011


On Sat, Dec 17, 2011 at 11:29:30PM -0700, Stephen Warren wrote:
> One of the Tegra I2C blocks is inside the DVC (Digital Voltage Controller)
> block. This block is identical to the rest of the I2C blocks, except that
> it only supports master mode, it has registers moved around, and it needs
> some extra init to get it into I2C mode.  The register moves are handled
> by i2c_readl and i2c_writel
> 
> This patch adds a new compatible value for controllers of this "DVC"
> type; I figured that this approach was reasonable, as opposed to adding
> an is-dvc property under the existing compatible value, since the HW
> truly is different.
> 
> v2: Call of_device_is_compatible() to determine is_dvc, instead of storing
> the flag in tegra_i2c_of_match[]'s .data field.
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---

I've applied this one as well to the tegra for-3.3/drivers. Ben, let me know if
you want it through your tree but since it mostly fixes device tree usage
I figured it's OK for us to take.


-Olof


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