On Mon, Jan 04, 2021 at 05:12:11PM -0500, Jim Quinlan wrote:

> For us, the supplies are for the EP chip's power.  We have the PCIe
> controller turning them "on" for power-on/resume and "off" for
> power-off/suspend.  We need the "xxx-supply" property in the
> controller's DT node because of the chicken-and-egg situation: if the
> property was in the EP's DT node, the RC  will never discover the EP
> to see that there is a regulator to turn on.   We would be happy with
> a single supply name, something like "ep-power".  We would be ecstatic
> to have two (ep0-power, ep1-power).

Why can't the controller look at the nodes describing devices for
standard properties?