Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH 1/3] dt-bindings: mailbox: imx-mu: add fsl,scu property
To:     peng.fan@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de,
        jassisinghbrar@gmail.com, leonard.crestez@nxp.com
Cc:     aisheng.dong@nxp.com, devicetree@vger.kernel.org,
        hongxing.zhu@nxp.com, m.felsch@pengutronix.de,
        linux-kernel@vger.kernel.org, linux-imx@nxp.com,
        kernel@pengutronix.de, festevam@gmail.com,
        linux-arm-kernel@lists.infradead.org
References: <1582546474-21721-1-git-send-email-peng.fan@nxp.com>
 <1582546474-21721-2-git-send-email-peng.fan@nxp.com>
From:   Oleksij Rempel <o.rempel@pengutronix.de>
Message-ID: <ad6b8ee4-f5c5-dc44-b06e-d265101ce5ad@pengutronix.de>
Date:   Mon, 24 Feb 2020 14:06:41 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.5.0
MIME-Version: 1.0
In-Reply-To: <1582546474-21721-2-git-send-email-peng.fan@nxp.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi Peng,

On 24.02.20 13:14, peng.fan@nxp.com wrote:
> From: Peng Fan <peng.fan@nxp.com>
> 
> Add fsl,scu property, this needs to be enabled for SCU channel type.
> 
> Signed-off-by: Peng Fan <peng.fan@nxp.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

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |