[PATCH V2 06/11] dt-bindings: i2c: Add support for 'i2c-bus' subnode

[Wolfram Sang]

On Wed, Jun 29, 2016 at 10:17:52AM +0100, Jon Hunter wrote:
> The I2C driver core for boards using device-tree assumes any subnode of
> an I2C adapter in the device-tree blob is an I2C slave device. Although
> this makes complete sense, some I2C adapters may have subnodes which
> are not I2C slaves but subnodes presenting other features. For example
> some Tegra devices have an I2C interface which may share its pins with
> other devices. In order to share these pins using the pinctrl framework,
> it is necessary to add subnodes to the I2C device node that represent
> these pins.
> 
> To allow I2C adapters to have non-I2C specific subnodes in device-tree
> that are not parsed by the I2C driver core, add support for an optional
> 'i2c-bus' subnode where I2C slaves can be placed. If the 'i2c-bus'
> subnode is present then all I2C slaves must be placed under this
> subnode.
> 
> Signed-off-by: Jon Hunter <jonathanh at nvidia.com>
> Acked-by: Thierry Reding <treding at nvidia.com>
> Acked-by: Rob Herring <robh at kernel.org>

Acked-by: Wolfram Sang <wsa at the-dreams.de>

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