linux-kernel - Re: [v2 1/2] dt-bindings: remoteproc: mediatek: Add binding for mt8195 scp

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Date:   Mon, 12 Jul 2021 14:05:54 +0800
From:   Tzung-Bi Shih <tzungbi@...gle.com>
To:     Tinghan Shen <tinghan.shen@...iatek.com>
Cc:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, robh+dt@...nel.org,
        matthias.bgg@...il.com, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        srv_heupstream@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [v2 1/2] dt-bindings: remoteproc: mediatek: Add binding for
 mt8195 scp

On Sat, Jul 10, 2021 at 8:25 PM Tinghan Shen <tinghan.shen@...iatek.com> wrote:
> @@ -5,13 +5,15 @@ This binding provides support for ARM Cortex M4 Co-processor found on some
>  Mediatek SoCs.
>
>  Required properties:
> -- compatible           Should be "mediatek,mt8183-scp"
> +- compatible           Should be one of:
> +                               "mediatek,mt8183-scp"
> +                               "mediatek,mt8195-scp"
Just realized we forgot to add DT bindings for mediatek,mt8192-scp[1].
Could you send another patch for adding the missing property?

[1]: https://elixir.bootlin.com/linux/v5.13.1/source/drivers/remoteproc/mtk_scp.c#L879

> -- clocks               Clock for co-processor (See: ../clock/clock-bindings.txt)
> -- clock-names          Contains the corresponding name for the clock. This
> +- clocks               Required by mt8183. Clock for co-processor (See: ../clock/clock-bindings.txt)
> +- clock-names          Required by mt8183. Contains the corresponding name for the clock. This
>                         should be named "main".
Let's move clocks and clock-names to "Optional properties".  See [2]
for your reference.  I guess it doesn't need to mention which chip
needs the properties.  For those chips that need the clock properties,
they won't work correctly without correct clock properties.

[2]: https://elixir.bootlin.com/linux/v5.13.1/source/Documentation/devicetree/bindings/remoteproc/ti,keystone-rproc.txt#L87


Suggested to provide a cover letter for the series next time.

nit: other patches usually use "[PATCH v2 1/2]" in the email title
instead of the one used in the mail.