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Message-ID: <34dcdbd4fb15a988f15e812faa566b32506a2f2f.camel@codeconstruct.com.au>
Date: Wed, 07 May 2025 12:56:14 +0930
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: "Rob Herring (Arm)" <robh@...nel.org>, Eddie James
 <eajames@...ux.ibm.com>,  Thomas Gleixner <tglx@...utronix.de>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,  Joel
 Stanley <joel@....id.au>, Lee Jones <lee@...nel.org>
Cc: Andrew Jeffery <andrew@...id.au>, linux-aspeed@...ts.ozlabs.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] dt-bindings: interrupt-controller: Convert
 aspeed,ast2xxx-scu-ic to DT schema

Hi Rob,

Thanks for the conversion. One comment below:

On Mon, 2025-05-05 at 09:46 -0500, Rob Herring (Arm) wrote:
> Convert the Aspeed SCU interrupt controller binding to schema format.
> It's a straight-forward conversion of the typical interrupt
> controller.
> 
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> ---
>  .../aspeed,ast2500-scu-ic.yaml                | 48
> +++++++++++++++++++
>  .../aspeed,ast2xxx-scu-ic.txt                 | 23 ---------
>  .../bindings/mfd/aspeed,ast2x00-scu.yaml      |  9 +++-
>  MAINTAINERS                                   |  2 +-
>  4 files changed, 57 insertions(+), 25 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2500-scu-ic.yaml
>  delete mode 100644 Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2xxx-scu-ic.txt
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2500-scu-ic.yaml
> b/Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2500-scu-ic.yaml
> new file mode 100644
> index 000000000000..d5287a2bf866
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2500-scu-ic.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright 2025 Eddie James
> +%YAML 1.2
> +---
> +$id:
> http://devicetree.org/schemas/interrupt-controller/aspeed,ast2500-scu-ic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aspeed AST25XX and AST26XX SCU Interrupt Controller
> +
> +maintainers:
> +  - Eddie James <eajames@...ux.ibm.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - aspeed,ast2500-scu-ic
> +      - aspeed,ast2600-scu-ic0
> +      - aspeed,ast2600-scu-ic1
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#interrupt-cells':
> +    const: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  interrupt-controller: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#interrupt-cells'
> +  - interrupts
> +  - interrupt-controller
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    interrupt-controller@18 {
> +        compatible = "aspeed,ast2500-scu-ic";
> +        reg = <0x18 0x4>;
> +        #interrupt-cells = <1>;
> +        interrupts = <21>;
> +        interrupt-controller;
> +    };
> diff --git a/Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2xxx-scu-ic.txt
> b/Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2xxx-scu-ic.txt
> deleted file mode 100644
> index 251ed44171db..000000000000
> --- a/Documentation/devicetree/bindings/interrupt-
> controller/aspeed,ast2xxx-scu-ic.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -Aspeed AST25XX and AST26XX SCU Interrupt Controller
> -
> -Required Properties:
> - - #interrupt-cells            : must be 1
> - - compatible                  : must be "aspeed,ast2500-scu-ic",
> -                                 "aspeed,ast2600-scu-ic0" or
> -                                 "aspeed,ast2600-scu-ic1"
> - - interrupts                  : interrupt from the parent
> controller
> - - interrupt-controller                : indicates that the
> controller receives and
> -                                 fires new interrupts for child
> busses
> -
> -Example:
> -
> -    syscon@...e2000 {
> -        ranges = <0 0x1e6e2000 0x1a8>;
> -
> -        scu_ic: interrupt-controller@18 {
> -            #interrupt-cells = <1>;
> -            compatible = "aspeed,ast2500-scu-ic";
> -            interrupts = <21>;
> -            interrupt-controller;
> -        };
> -    };
> diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-
> scu.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-
> scu.yaml
> index c800d5e53b65..12986ebe7ec7 100644
> --- a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml
> +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml
> @@ -48,8 +48,15 @@ properties:
>  
>  patternProperties:
>    '^p2a-control@[0-9a-f]+$':
> -    description: See Documentation/devicetree/bindings/misc/aspeed-
> p2a-ctrl.txt
>      type: object
> +    additionalProperties: true
> +    properties:
> +      compatible:
> +        contains:
> +          enum:
> +            - aspeed,ast2500-scu-ic
> +            - aspeed,ast2600-scu-ic0
> +            - aspeed,ast2600-scu-ic1

This change should be done on the interrupt-controller pattern property
node rather than the p2a-controller node.

Andrew

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