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    Subject[PATCH V4 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transport
    Date
    From: Peng Fan <peng.fan@nxp.com>

    SCMI could use SMC/HVC as tranports. Since there is no
    standardized id, we need to use vendor specific id. So
    add into devicetree binding doc.

    Also add arm,scmi-smc compatible string for smc/hvc transport

    Signed-off-by: Peng Fan <peng.fan@nxp.com>
    ---
    Documentation/devicetree/bindings/arm/arm,scmi.txt | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt
    index f493d69e6194..4ce57b88f84d 100644
    --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt
    +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt
    @@ -14,7 +14,7 @@ Required properties:

    The scmi node with the following properties shall be under the /firmware/ node.

    -- compatible : shall be "arm,scmi"
    +- compatible : shall be "arm,scmi" or "arm,scmi-smc" for smc/hvc transports
    - mboxes: List of phandle and mailbox channel specifiers. It should contain
    exactly one or two mailboxes, one for transmitting messages("tx")
    and another optional for receiving the notifications("rx") if
    @@ -25,6 +25,7 @@ The scmi node with the following properties shall be under the /firmware/ node.
    protocol identifier for a given sub-node.
    - #size-cells : should be '0' as 'reg' property doesn't have any size
    associated with it.
    +- arm,smc-id : SMC id required when using smc or hvc transports

    Optional properties:

    --
    2.16.4
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