how to specify an OMAP clock in device tree?

Roger Quadros rogerq at ti.com
Wed Feb 6 21:39:56 EST 2013


On 02/06/2013 12:21 PM, Rajendra Nayak wrote:
> On Tuesday 05 February 2013 08:22 PM, Roger Quadros wrote:
>> Doesn't look very elegant to me, but I wouldn't mind if there is no better option.
>> Even then, we can't rely on the device name as its index can change based on where it is
> 
> Well, thats what I said in the first mail, that *if* you are able to
> fix the device name, *then* we could use clkdev the way its used in
> non-DT case. But then you came back saying 'Fixing the device name
> doesn't really solve the problem.' :)

It does, yes, but depending on fixed device names is not so great for DT, is it?
Doesn't solve the problem in the right sense :)

> 
>> located in the dts file. e.g. in the beginning it may be named phy.8, and if a device
>> node is added before it, it will get changed to phy.9
> 
> If you provide a phandle to the PHY node in the board node, for which
> you need to add the clk alias, you can always extract the device (using
> of_find_device_by_node() ) and hence its name, so it doesn't matter if
> its phy.8 or phy.9.

Right, I'll come up with something on these lines.

Thanks for the suggestions :).

cheers,
-roger



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