[PATCH v3 0/2] i2c/of: Populate multiplexed i2c busses from the device tree.

Lars-Peter Clausen lars at metafoo.de
Fri Apr 13 21:09:20 EST 2012


On 04/12/2012 11:14 PM, David Daney wrote:
> From: David Daney <david.daney at cavium.com>
> 
> v3: Integrate changes from Lars-Peter Clausen to make better use of
>     the of_*() infrastructure.  Get rid of ugly #ifdefs.
> 
> v2: Update bindings to use "reg" insutead of "cell-index"
> 
> v1: Unchanged from the original RFC where I said:
> 
>   We need to populate our I2C devices from the device tree, but some
>   of our systems have multiplexers which currently break this process.
> 
>   The basic idea is to have the generic i2c-mux framework propagate
>   the device_node for the child bus into the corresponding
>   i2c_adapter, and then call of_i2c_register_devices().  This means
>   that the device tree bindings for *all* i2c muxes must have some
>   common properties.  I try to document these in mux.txt.
> 
> This is now tested against 3.4-rc2 and is still working well.
> 

I've been using these patches with a pca9548 and a pca9546 for a while now.
Both:

Tested-by: Lars-Peter Clausen <lars at metafoo.de>



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