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 <[email protected]> Cc: Mark Rutland <[email protected]> Signed-off-by: Sudeep Holla <[email protected]> --- .../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" +- mbox-data : For each phandle listed in mboxes property, an unsigned 32-bit + data as expected by the mailbox controller + +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
