linux-kernel - Re: [PATCH 1/1] dt-bindings: interrupt-controller: fsl, irqsteer: Add power-domains

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Date: Thu, 11 Jan 2024 16:49:03 +0000
From: Conor Dooley <conor@...nel.org>
To: Alexander Stein <alexander.stein@...tq-group.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Lucas Stach <l.stach@...gutronix.de>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] dt-bindings: interrupt-controller: fsl, irqsteer:
 Add power-domains

On Thu, Jan 11, 2024 at 09:59:54AM +0100, Alexander Stein wrote:
> Hi Conor,
> 
> Am Mittwoch, 10. Januar 2024, 17:09:07 CET schrieb Conor Dooley:
> > On Wed, Jan 10, 2024 at 10:43:38AM +0100, Alexander Stein wrote:
> > > Some SoC like i.MX8QXP use a power-domain for this IP add it to the
> > > supported proerties. Fixes the dtbs_check warning:
> > > freescale/imx8qxp-tqma8xqp-mba8xx.dtb: irqsteer@...00000: 'power-domains'
> > > 
> > >  does not match any of the regexes: 'pinctrl-[0-9]+'
> > > 
> > > from schema $id:
> > > http://devicetree.org/schemas/interrupt-controller/fsl,irqsteer.yaml#
> > > 
> > > Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> > > ---
> > > 
> > > Notes:
> > >     Please note that both the board dts and the DT node for irqsteer being
> > >     used, are still work-in-progress.
> > 
> > The binding doesn't even support the imx8qxp's irqsteer yet, I think
> > this should be added alongside support for that SoC. Am I missing
> > something?
> 
> I'm not sure if any additional SoC support is actually needed. 'fsl,imx-
> irqsteer' is available and that's what I use in my WiP. Also imx8mp also just 
> uses the generic compatible. Only imx8mq uses 'fsl,imx8m-irqsteer'.

Why doesn't it used "imx8mq-irqsteer"? Should it not have its own
soc-specific compatible?

Cheers,
Conor.

> AFAICS the bindings support the different amount of IRQs already.
> 
> Best regards,
> Alexander
> 
> > 
> > >  .../devicetree/bindings/interrupt-controller/fsl,irqsteer.yaml | 3 +++
> > >  1 file changed, 3 insertions(+)
> > > 
> > > diff --git
> > > a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.yam
> > > l
> > > b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.yam
> > > l index 20ad4ad82ad64..cb4fcd23627f6 100644
> > > ---
> > > a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.yam
> > > l +++
> > > b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.yam
> > > l> 
> > > @@ -42,6 +42,9 @@ properties:
> > >    clock-names:
> > >      const: ipg
> > > 
> > > +  power-domains:
> > > +    maxItems: 1
> > > +
> > > 
> > >    interrupt-controller: true
> > >    
> > >    "#interrupt-cells":
> 
> 
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