RE: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports
From: Peng Fan <peng.fan@nxp.com>
Date: 2020-02-10 00:59:50
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Subject: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports From: Peng Fan <peng.fan@nxp.com> SCMI could use SMC/HVC as tranports, so add into devicetree binding doc. Signed-off-by: Peng Fan <peng.fan@nxp.com> --- Documentation/devicetree/bindings/arm/arm,scmi.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txtb/Documentation/devicetree/bindings/arm/arm,scmi.txt index f493d69e6194..03cff8b55a93 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"
One question here, are you fine with compatible "arm,scmi-smc" or add a new property 'transport' such as: transport = "mailbox"; for mailbox transport = "smc"; for smc and hvc. Thanks, Peng.
- 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
+25,8 @@ 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 transports
+- arm,hvc-id : HVC id required when using hvc transports
Optional properties:
--
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