Re: [PATCH V2 1/6] dt-bindings: remoteproc: imx_rproc: support i.MX8QXP

From: Krzysztof Kozlowski
Date: Wed Mar 09 2022 - 12:19:20 EST


On 09/03/2022 11:21, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> Add i.MX8QXP compatible
>
> Add a new property rsrc-id(resource id) for SoC which supports
> SCFW(System Controller Firmware). SCFW manages resources using resource
> id, here the 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@xxxxxxx>
> ---
> .../bindings/remoteproc/fsl,imx-rproc.yaml | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
> index fc16d903353e..f25c203dd2f9 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
> @@ -27,6 +28,11 @@ properties:
> clocks:
> maxItems: 1
>
> + entry:
> + $ref: /schemas/types.yaml#/definitions/uint32

Does not look like a generic property, so please add vendor prefix.
Suffix also would look good, so:
"fsl,entry-address"

> + description: |
> + Specify cpu entry address for SCU enabled processor.

s/cpu/CPU/

> +
> syscon:
> $ref: /schemas/types.yaml#/definitions/phandle
> description:
> @@ -59,6 +65,15 @@ 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

Needs type, vendor prefix.

> + maxItems: 1
> +
> required:
> - compatible
>


Best regards,
Krzysztof