linux-kernel - Re: [PATCH 1/1] dt-bindings: interrupt-controller: Add arm,armv7m-nvic and fix #interrupt-cells

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Message-ID: <20250527-olive-kakapo-of-action-a8d68a@kuoka>
Date: Tue, 27 May 2025 08:18:52 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	"open list:IRQCHIP DRIVERS" <linux-kernel@...r.kernel.org>, 
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, imx@...ts.linux.dev
Subject: Re: [PATCH 1/1] dt-bindings: interrupt-controller: Add
 arm,armv7m-nvic and fix #interrupt-cells

On Fri, May 23, 2025 at 10:36:36AM GMT, Frank Li wrote:
> According to existed dts arch/arm/boot/dts/armv7-m.dtsi, compatible string

and drivers... more important btw.

> should be arm,armv7m-nvic, #interrupt-cells is 1 and
> arm,num-irq-priority-bits is optional property.
> 
> Fix below CHECK_DTB warning:
> 
> arch/arm/boot/dts/nxp/vf/vf610m4-cosmic.dtb: /interrupt-controller@...0e100:
>     failed to match any schema with compatible: ['arm,armv7m-nvic']
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  .../devicetree/bindings/interrupt-controller/arm,nvic.yaml  | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,nvic.yaml b/Documentation/devicetree/bindings/interrupt-controller/arm,nvic.yaml
> index d89eca956c5fa..a08632804d052 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/arm,nvic.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,nvic.yaml
> @@ -17,6 +17,7 @@ description:
>  properties:
>    compatible:
>      enum:
> +      - arm,armv7m-nvic
>        - arm,v6m-nvic
>        - arm,v7m-nvic

You need to drop (or deprecate if it is used) old compatible.

Best regards,
Krzysztof