Re: [PATCH v2 1/5] dt-bindings: soc: ti: ti,j721e-system-controller: Add PCIe ctrl property

[Rob Herring <robh@kernel.org>]

On Wed, Apr 02, 2025 at 05:01:57PM +0530, Jayesh Choudhary wrote:
> From: Andrew Davis <afd@ti.com>
> 
> Add a pattern property for pcie-ctrl which can be part of this controller.
> 
> Signed-off-by: Andrew Davis <afd@ti.com>
> [j-choudhary@ti.com: Change description and add example]
> Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
> ---
>  .../bindings/soc/ti/ti,j721e-system-controller.yaml    | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml
> index 378e9cc5fac2..13b6b6fa5dee 100644
> --- a/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml
> +++ b/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml
> @@ -68,6 +68,11 @@ patternProperties:
>      description:
>        The node corresponding to SoC chip identification.
>  
> +  "^pcie-ctrl@[0-9a-f]+$":
> +    type: object
> +    description:
> +      The node corresponding to PCIe control register.
> +
>  required:
>    - compatible
>    - reg
> @@ -110,5 +115,10 @@ examples:
>              compatible = "ti,am654-chipid";
>              reg = <0x14 0x4>;
>          };
> +
> +        pcie0_ctrl: pcie-ctrl@4070 {
> +            compatible = "ti,j784s4-pcie-ctrl", "syscon";

If the parent is a syscon, then this shouldn't really be a syscon. You 
can just use the parent's regmap.

But I guess that ship has sailed. This is why bindings should be 
complete, so we can review the whole block.

Acked-by: Rob Herring (Arm) <robh@kernel.org>