Re: [RFC v2 3/3] dt: bindings: Add a binding for referencing EEPROM from camera sensors

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Hi,

On Fri, May 05, 2017 at 11:48:30AM +0300, Sakari Ailus wrote:
> Many camera sensor devices contain EEPROM chips that describe the
> properties of a given unit --- the data is specific to a given unit can
> thus is not stored e.g. in user space or the driver.
> 
> Some sensors embed the EEPROM chip and it can be accessed through the
> sensor's I2C interface. This property is to be used for devices where the
> EEPROM chip is accessed through a different I2C address than the sensor.
> 
> The intent is to later provide this information to the user space.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> Acked-by: Pavel Machek <pavel@xxxxxx>

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>

> diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
> index 0a33240..38e3916 100644
> --- a/Documentation/devicetree/bindings/media/video-interfaces.txt
> +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
> @@ -79,6 +79,9 @@ Optional properties
>  
>  - lens-focus: A phandle to the node of the focus lens controller.
>  
> +- eeprom: A phandle to the node of the EEPROM describing the camera sensor
> +  (i.e. device specific calibration data), in case it differs from the
> +  sensor node.
>  
>  Optional endpoint properties
>  ----------------------------

-- Sebastian

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