[PATCH v6 04/15] usb: doc: phy-mxs: update binding for adding anatop phandle

Peter Chen hzpeterchen at gmail.com
Fri Dec 13 01:00:30 EST 2013


On Fri, Dec 13, 2013 at 12:25 PM, Felipe Balbi <balbi at ti.com> wrote:
> On Fri, Dec 13, 2013 at 09:23:34AM +0800, Peter Chen wrote:
>> Add anatop phandle which is used to access anatop registers to
>> control PHY's power and other USB operations.
>
> no related to this patch, but this feels like OMAP's System Control
> Module (a rather simplistic IP which control power for a few other IPs).
>
> We're starting to see a pattern here, eventually we will need a more
> generic approach to such types of modules. For now, don't worry :-)
>

We use syscon (system controller) driver (drivers/mfd/syscon.c)
to handle it, syscon uses regmap to visit register which can keep
register access exclusively.

-- 
BR,
Peter Chen



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