Messages in this thread | | | Date | Mon, 5 Mar 2018 19:57:43 -0600 | From | Rob Herring <> | Subject | Re: [PATCH v4 1/2] dt-bindings: usb: ehci: add optional external vbus supply property |
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On Thu, Mar 01, 2018 at 10:51:38AM +0100, Amelie Delaunay wrote: > On some boards, especially when vbus supply requires large current, > and the charge pump on the PHY isn't enough, an external vbus power switch > per port may be used. > Add portN_vbus-supply property to usb-ehci bindings. As the number of ports > depends on the ehci controller, and the port on which an external vbus > supply depends on the platform, <portN> is used to make it generic. > > Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> > --- > Documentation/devicetree/bindings/usb/usb-ehci.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb-ehci.txt b/Documentation/devicetree/bindings/usb/usb-ehci.txt > index 3efde12..cd576db 100644 > --- a/Documentation/devicetree/bindings/usb/usb-ehci.txt > +++ b/Documentation/devicetree/bindings/usb/usb-ehci.txt > @@ -19,6 +19,7 @@ Optional properties: > - phys : phandle + phy specifier pair > - phy-names : "usb" > - resets : phandle + reset specifier pair > + - portN_vbus-supply : phandle of regulator supplying vbus for port N
Just make this an array with the index being the port (and drop "portN_").
Rob
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