linux-kernel - Re: [PATCH 1/5] dt-bindings: bus: add documentation for the IMX AIPSTZ bridge

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Message-ID: <Z7jVnmWoXn4ow9NG@lizhi-Precision-Tower-5810>
Date: Fri, 21 Feb 2025 14:35:58 -0500
From: Frank Li <Frank.li@....com>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Daniel Baluta <daniel.baluta@....com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: bus: add documentation for the IMX
 AIPSTZ bridge

On Fri, Feb 21, 2025 at 02:19:05PM -0500, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> Add documentation for IMX AIPSTZ bridge.
>
> Co-developed-by: Daniel Baluta <daniel.baluta@....com>
> Signed-off-by: Daniel Baluta <daniel.baluta@....com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

Reviewed-by: Frank Li <Frank.Li@....com>

> ---
>  .../bindings/bus/fsl,imx8mp-aipstz.yaml       | 62 +++++++++++++++++++
>  1 file changed, 62 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..b0d6eaf70a84
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml
> @@ -0,0 +1,62 @@
> +# 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@....com>
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        const: fsl,imx8mp-aipstz
> +  required:
> +    - compatible
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: fsl,imx8mp-aipstz
> +      - const: simple-bus
> +
> +  reg:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  "#access-controller-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - power-domains
> +  - "#access-controller-cells"
> +
> +allOf:
> +  - $ref: /schemas/simple-bus.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    bus@...f0000 {
> +      compatible = "fsl,imx8mp-aipstz", "simple-bus";
> +      reg = <0x30df0000 0x10000>;
> +      power-domains = <&pgc_audio>;
> +      #address-cells = <1>;
> +      #size-cells = <1>;
> +      #access-controller-cells = <0>;
> +      ranges;
> +    };
> --
> 2.34.1
>