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SubjectRe: [PATCH v3 0/2] i2c/of: Populate multiplexed i2c busses from the device tree.
On 04/12/2012 11:14 PM, David Daney wrote:
> From: David Daney <>
> 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.

Tested-by: Lars-Peter Clausen <>

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