linux-kernel - Re: [PATCH 1/3] dt-bindings: mailbox: imx-mu: add fsl,scu property

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Message-ID: <ad6b8ee4-f5c5-dc44-b06e-d265101ce5ad@pengutronix.de>
Date:   Mon, 24 Feb 2020 14:06:41 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     peng.fan@....com, shawnguo@...nel.org, s.hauer@...gutronix.de,
        jassisinghbrar@...il.com, leonard.crestez@....com
Cc:     aisheng.dong@....com, devicetree@...r.kernel.org,
        hongxing.zhu@....com, m.felsch@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-imx@....com,
        kernel@...gutronix.de, festevam@...il.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] dt-bindings: mailbox: imx-mu: add fsl,scu property

Hi Peng,

On 24.02.20 13:14, peng.fan@....com wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add fsl,scu property, this needs to be enabled for SCU channel type.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>   Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
> index 9c43357c5924..5b502bcf7122 100644
> --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
> +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
> @@ -45,6 +45,7 @@ Optional properties:
>   -------------------
>   - clocks :	phandle to the input clock.
>   - fsl,mu-side-b : Should be set for side B MU.
> +- fsl,scu: Support i.MX8/8X SCU channel type

Hm.. what you are doing is a "link aggregation" with round-robin scheduling:
https://en.wikipedia.org/wiki/Link_aggregation

I would be happy if we can define a generic mailbox property for this.

Kind regards,
Oleksij Rempel

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