Subject: [PATCH] ARM: vexpress: initial device tree support

From: [email-masked] (Timur Tabi)
Date: Wed, 11 Jan 2012 17:32:44 -0600

Mitch Bradley wrote:
> You make device nodes for each of the i2c adapters 

We have that already.

> (possibly with a GPIO 
> I2C mux node underneath the EDID one), 

Ok.

> then you point to the correct 
> adapter (or mux) node with a phandle-valued property in the video node.

The only connection between a device tree node and an I2C object is the
of_find_i2c_device_by_node() function.  That requires the I2C device to be
instantiated.

> Of course, you need the deferral patch cited in another message.

Last I heard, it's not ready.  I suspect it will be part of kernel 3.4, at
the earliest.

-- 
Timur Tabi
Linux kernel developer at Freescale