Re: [PATCH v5 1/6] dt-bindings: bus: document the IMX AIPSTZ bridge

[Rob Herring <robh@kernel.org>]

On Tue, Apr 08, 2025 at 11:42:31AM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> 
> Add documentation for IMX AIPSTZ bridge.
> 
> Co-developed-by: Daniel Baluta <daniel.baluta@nxp.com>
> Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> ---
>  .../bindings/bus/fsl,imx8mp-aipstz.yaml       | 104 ++++++++++++++++++
>  1 file changed, 104 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml
> 
> diff --git a/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml
> new file mode 100644
> index 000000000000..3e2ada7fcdf9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml
> @@ -0,0 +1,104 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bus/fsl,imx8mp-aipstz.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Secure AHB to IP Slave bus (AIPSTZ) bridge
> +
> +description:
> +  The secure AIPS bridge (AIPSTZ) acts as a bridge for AHB masters issuing
> +  transactions to IP Slave peripherals. Additionally, this module offers access
> +  control configurations meant to restrict which peripherals a master can
> +  access.
> +
> +maintainers:
> +  - Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> +
> +properties:
> +  compatible:
> +    const: fsl,imx8mp-aipstz
> +
> +  reg:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 1
> +
> +  "#access-controller-cells":
> +    const: 3
> +    description:
> +      First cell - consumer type (master or peripheral)
> +      Second cell - consumer ID
> +      Third cell - configuration value

Generally the ID would be first though providers can really define 
whatever they want.

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