linux-kernel - RE: [PATCH 1/9] dt-bindings: remoteproc: imx

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Date:   Tue, 11 Jan 2022 06:44:40 +0000
From:   Peng Fan <peng.fan@....com>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        "bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>,
        "mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH 1/9] dt-bindings: remoteproc: imx_rproc: support i.MX8QXP

> Subject: [PATCH 1/9] dt-bindings: remoteproc: imx_rproc: support i.MX8QXP

+Rob

> 
> From: Peng Fan <peng.fan@....com>
> 
> Add i.MX8QXP compatible
> 
> Add a new property rsrc-id for SoC which supports SCFW. This rsrc-id is used
> to check whether remote process is under control of Linux or 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