linux-kernel - [PATCH v2 3/4] dt-bindings: arm: OP-TEE as transport channel for SCMI messages

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Date:   Fri, 21 May 2021 15:40:53 +0200
From:   Etienne Carriere <etienne.carriere@...aro.org>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Etienne Carriere <etienne.carriere@...aro.org>,
        Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org
Subject: [PATCH v2 3/4] dt-bindings: arm: OP-TEE as transport channel for SCMI messages

Introduce compatible "linaro,scmi-optee" for SCMI transport channel
based on an OP-TEE service invocation.

Cc: Rob Herring <robh@...nel.org>
Cc: devicetree@...r.kernel.org
Signed-off-by: Etienne Carriere <etienne.carriere@...aro.org>
---
Changes since v1:
 - Removed modification regarding mboxes property description.
---
 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 856d041b397e..ccab2ef6f6ec 100644
--- a/Documentation/devicetree/bindings/arm/arm,scmi.txt
+++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt
@@ -14,7 +14,8 @@ Required properties:
 
 The scmi node with the following properties shall be under the /firmware/ node.
 
-- compatible : shall be "arm,scmi" or "arm,scmi-smc" for smc/hvc transports
+- compatible : shall be "arm,scmi" or "arm,scmi-smc" for smc/hvc transports,
+	  or "linaro,scmi-optee" for OP-TEE transport.
 - mboxes: List of phandle and mailbox channel specifiers. When used, it should
 	  contain exactly one or two mailboxes, one for transmitting messages
 	  ("tx") and another optional for receiving the notifications("rx") if
-- 
2.17.1