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

From: Sudeep Holla
Date: Wed Jun 02 2021 - 06:53:25 EST


On Fri, May 21, 2021 at 03:40:53PM +0200, Etienne Carriere wrote:
> Introduce compatible "linaro,scmi-optee" for SCMI transport channel
> based on an OP-TEE service invocation.
>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Etienne Carriere <etienne.carriere@xxxxxxxxxx>
> ---
> 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.

Please rebase this [1] when you post next version. It is not clear about
the mailbox or shmem properties here for this new OP-TEE transport but
I assume it will be easier to understand with yaml schema.

--
Regards,
Sudeep

[1] https://lore.kernel.org/r/20210601224904.917990-9-sudeep.holla@xxxxxxx/