On Thu, Sep 28, 2017 at 02:11:27PM +0100, Sudeep Holla wrote: > This patch adds ARM MHU specific mailbox client bindings to support > SCMI. Since SCMI specification just requires doorbell mechanism from > mailbox controllers, we add mailbox data to specify the doorbell bit(s). > > Cc: Rob Herring <robh...@kernel.org> > Cc: Mark Rutland <mark.rutl...@arm.com> > Signed-off-by: Sudeep Holla <sudeep.ho...@arm.com> > --- > .../devicetree/bindings/arm/arm,mhu-scmi.txt | 19 > +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/arm,mhu-scmi.txt > > diff --git a/Documentation/devicetree/bindings/arm/arm,mhu-scmi.txt > b/Documentation/devicetree/bindings/arm/arm,mhu-scmi.txt > new file mode 100644 > index 000000000000..8c106f1cdeb8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/arm,mhu-scmi.txt > @@ -0,0 +1,19 @@ > +ARM MHU mailbox client bindings for SCMI Message Protocol > +---------------------------------------------------------- > + > +This binding is intended to define the ARM MHU specific extensions to > +the generic SCMI bindings[2]. > + > +Required properties: > + > +The scmi node with the following properties shall be under the /firmware/ > node. > + > +- compatible : shall be "arm,scmi" and "arm,mhu-scmi"
Most specific first. > +- mbox-data : For each phandle listed in mboxes property, an unsigned 32-bit > + data as expected by the mailbox controller Shouldn't that be cells as part of mboxes property? > + > +See [1] for details on all other required/optional properties of the generic > +mailbox controller and [2] for generic SCMI bindings. > + > +[1] Documentation/devicetree/bindings/mailbox/mailbox.txt > +[2] Documentation/devicetree/bindings/arm/arm,scmi.txt > -- > 2.7.4 >
