linux-kernel - Re: [PATCH 2/2] dt-bindings: remoteproc: mediatek: Add optional memory-region to mtk,scp

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Message-ID: <YnAA+7eqP/WzGrhQ@robh.at.kernel.org>
Date:   Mon, 2 May 2022 11:04:11 -0500
From:   Rob Herring <robh@...nel.org>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, kernel@...labora.com,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tinghan Shen <tinghan.shen@...iatek.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: remoteproc: mediatek: Add optional
 memory-region to mtk,scp

On Fri, Apr 29, 2022 at 05:11:10PM -0400, Nícolas F. R. A. Prado wrote:
> The SCP co-processor can optionally be passed a reserved memory region
> to use. Add this property in the dt-binding.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> ---
> 
>  Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> index ec9ddeb6ca2c..64a9d2c7ed0d 100644
> --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> @@ -51,6 +51,10 @@ properties:
>    interrupts:
>      maxItems: 1
>  
> +  memory-region:
> +    $ref: /schemas/types.yaml#/definitions/phandle

memory-region has a type already, so drop. What's needed is how many 
entries and what they are if more than 1.

> +    description: phandle to reserved memory region.
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.36.0
> 
>