I2C bus clock on MPC85XX systems

Wolfgang Grandegger wg at grandegger.com
Wed Dec 23 06:20:51 EST 2009

Hi Felix,

Felix Radensky wrote:
> Hi, Wolfgang
> Wolfgang Grandegger wrote:
>> The trees provided by Freescale are usually based on older kernel
>> version. Borrow from such trees is OK, but the project developers should
>> use a recent kernel version for development.
> I was talking about modern vanilla kernels for Freescale reference
> boards. See, for example
> http://lxr.linux.no/#linux+v2.6.32/arch/powerpc/boot/dts/mpc8536ds.dts

Only a few boards use these new properties to set a reasonable I2C
clock. But I agree, adding "clock-frequency = <100000>;" would make it
more obvious to the users how to define a proper frequency.


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