[PATCH 13/15] net: phy: mdio: add support for PHY supply regulator

Bartosz Golaszewski brgl at bgdev.pl
Tue Jun 23 05:30:19 EDT 2020

pon., 22 cze 2020 o 15:25 Russell King - ARM Linux admin
<linux at armlinux.org.uk> napisał(a):
> On Mon, Jun 22, 2020 at 11:37:42AM +0200, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bgolaszewski at baylibre.com>
> >
> > Currently many MAC drivers control the regulator supplying the PHY but
> > this is conceptually wrong. The regulator should be defined as a property
> > of the PHY node on the MDIO bus and controlled by the MDIO sub-system.
> >
> > Add support for an optional PHY regulator which will be enabled before
> > optional deasserting of the reset signal.
> I wonder if this is the right place for this - MDIO devices do not have
> to be PHYs - they can be switches, and using "phy-supply" for a switch
> doesn't seem logical.
> However, I can see the utility of having having a supply provided for
> all mdio devices, so it seems to me to be a naming issue.  Andrew?

I followed the example of the phy reset retrieved in
mdiobus_register_reset(). I'm happy to change it to some other name.


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