linux-kernel - Re: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports

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Date:   Thu, 6 Feb 2020 14:59:47 -0700
From:   Rob Herring <robh@...nel.org>
To:     peng.fan@....com
Cc:     sudeep.holla@....com, mark.rutland@....com,
        viresh.kumar@...aro.org, f.fainelli@...il.com, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, andre.przywara@....com
Subject: Re: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports

On Thu, Feb 06, 2020 at 09:01:25PM +0800, peng.fan@....com wrote:
> From: Peng Fan <peng.fan@....com>
> 
> SCMI could use SMC/HVC as tranports, so add into devicetree
> binding doc.
> 
> Signed-off-by: Peng Fan <peng.fan@....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.txt b/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"
>  - 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

Don't the SMC ids get standardized?

>  
>  Optional properties:
>  
> -- 
> 2.16.4
>