[PATCH 4/7] phy: meson: add USB2 PHY support for Meson8b and GXBB

Arnd Bergmann arnd at arndb.de
Mon Sep 19 00:37:06 PDT 2016

On Monday, September 19, 2016 10:29:27 AM CEST Kishon Vijay Abraham I wrote:
> On Monday 19 September 2016 01:26 AM, Martin Blumenstingl wrote:
> > On Fri, Sep 16, 2016 at 10:19 AM, Kishon Vijay Abraham I <kishon at ti.com> wrote:

> >> This way the driver will be probed only once (the reset can be done during
> >> probe). The phy driver should scan the dt node and for every sub-node it
> >> invokes phy_create?
> > I'll recap what we have discussed so far (so you don't have to re-read
> > the whole thread):
> > The reference driver treats both USB PHYs as separate devices (the
> > datasheet has no information about the PHYs though). The only
> > "special" thing is the shared reset line -> together with Philipp
> > Zabel (the reset framework maintainer) we decided to make
> > reset_control_reset work for shared reset lines.
> > 
> > That means we can keep the two PHYs as separate devices inside the
> > .dts, while keeping everything else separate (just like the reference
> > driver)
> > Is this fine for you and Arnd?
> yeah.. I'm fine with that.

Agreed, if we don't need to have a device modeled around both
instance, that's ideal.


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