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Date:   Tue, 18 Jan 2022 11:41:23 -0700
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     bjorn.andersson@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: Re: [PATCH 1/9] dt-bindings: remoteproc: imx_rproc: support i.MX8QXP

On Tue, Jan 11, 2022 at 11:33:25AM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add i.MX8QXP compatible
> 
> Add a new property rsrc-id for SoC which supports SCFW. This rsrc-id

You are introducing an acronym that doesn't have a definition - I have to grep
the kernel tree to have an idea of what SCFW is.  That consumes time that I
don't have to review your code or someone else's. 

> is used to check whether remote process is under control of Linux or

s/process/processor

> not.
> 
> To i.MX8QM/QXP, when M4 is in the same hardware partition with Cortex-A
> cores, need power up M4 through SCFW, then M4 could start. So introduce
> power-domains property
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  .../devicetree/bindings/remoteproc/fsl,imx-rproc.yaml  | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
> index fc16d903353e..ed1bcb3046a9 100644
> --- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
> @@ -19,6 +19,7 @@ properties:
>        - fsl,imx8mm-cm4
>        - fsl,imx8mn-cm7
>        - fsl,imx8mp-cm7
> +      - fsl,imx8qxp-cm4
>        - fsl,imx8ulp-cm33
>        - fsl,imx7d-cm4
>        - fsl,imx7ulp-cm4
> @@ -59,6 +60,15 @@ properties:
>        Indicate whether need to load the default firmware and start the remote
>        processor automatically.
>  
> +  power-domains:
> +    maxItems: 8
> +
> +  rsrc-id:
> +    description:
> +      This property is to specify the resource id of the remote processor in SoC
> +      which supports SCFW
> +    maxItems: 1
> +
>  required:
>    - compatible
>  
> -- 
> 2.25.1
> 

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