[PATCH] [POWERPC] Add i2c pins to dts and board setup

Scott Wood scottwood at freescale.com
Thu May 22 01:10:03 EST 2008

On Wed, May 21, 2008 at 12:31:40PM +0200, Jochen Friedrich wrote:
> +   - linux,i2c-index : Can be used to hard code an i2c bus nummer.


Why do we need this?

> +   - linux,i2c-class : Can be used to override the i2c class. The class is used
> +     by old style i2c device drivers to find a bus in a specific context like
> +     system management, video or sound. By default, I2C_CLASS_HWMON (1) is
> +     being used. The definition of the classes can be found in
> +     include/i2c/i2c.h

It'd be better to just convert any needed old-style drivers than add this
to the device tree.

> +   - bus-frequency : Can be used to set the i2c bus frequency. If unspecified,
> +     a default frequency of 60kHz is being used.

clock-frequency is the standard name for such things.


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