In normal use of smc/hvc transport in SCMI the message completion is indicated by the return of the SMC call. This commit provides for an optional interrupt named "message-serviced" which is used instead to indicate the completion of a message.
Signed-off-by: Jim Quinlan <james.quin...@broadcom.com> --- Documentation/devicetree/bindings/arm/arm,scmi.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt index 55deb68230eb..7cdad11f40b1 100644 --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt @@ -31,6 +31,14 @@ Optional properties: - mbox-names: shall be "tx" or "rx" depending on mboxes entries. +- interrupts : when using smc or hvc transports, this optional + property indicates that msg completion by the platform is indicated + by an interrupt rather than by the return of the smc call. This + should not be used except when the platform requires such behavior. + +- interrupt-names : if "interrupts" is present, interrupt-names must also + be present and have the value "message-serviced". + See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details about the generic mailbox controller and client driver bindings. -- 2.17.1
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