Re: [PATCH v4 1/3] dt-bindings: interconnect: imx8m-noc: Add fsl,icc-id property

From: Rob Herring
Date: Fri Jan 21 2022 - 16:27:17 EST


On Thu, Jan 06, 2022 at 06:41:48PM +0200, Abel Vesa wrote:
> Add documentation for fsl,icc-id property.
>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxx>
> ---
>
> Changes since v3:
> * fixed typo in property description
>
> .../devicetree/bindings/interconnect/fsl,imx8m-noc.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml b/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml
> index b8204ed22dd5..dc7f6b6f508a 100644
> --- a/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml
> +++ b/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml
> @@ -47,6 +47,11 @@ properties:
> operating-points-v2: true
> opp-table: true
>
> + fsl,icc-id:
> + $ref: "/schemas/types.yaml#/definitions/uint32"
> + description:
> + unique ID used for linking i.MX bus or ddrc node to interconnect

Where does this unique ID come from and how is it used? Why aren't cells
in 'interconnects' sufficient for this?

> +
> fsl,ddrc:
> $ref: "/schemas/types.yaml#/definitions/phandle"
> description:
> --
> 2.31.1
>
>