linux-kernel - Re: [PATCH v3] dt-bindings: dma: Convert fsl,elo*-dma to YAML

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Message-ID: <Z8cAE0L3qnPHWLCR@probook>
Date: Tue,  4 Mar 2025 13:28:51 +0000
From: J. Neuschäfer <j.ne@...teo.net>
To: Rob Herring <robh@...nel.org>
Cc: J. Neuschäfer <j.ne@...teo.net>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	dmaengine@...r.kernel.org, Crystal Wood <oss@...error.net>,
	linuxppc-dev@...ts.ozlabs.org, Nicholas Piggin <npiggin@...il.com>,
	Vinod Koul <vkoul@...nel.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Naveen N Rao <naveen@...nel.org>
Subject: Re: [PATCH v3] dt-bindings: dma: Convert fsl,elo*-dma to YAML

On Mon, Mar 03, 2025 at 07:42:00AM -0600, Rob Herring wrote:
> On Wed, Feb 26, 2025 at 11:29:54AM -0600, Rob Herring (Arm) wrote:
> > 
> > On Wed, 26 Feb 2025 16:57:17 +0100, J. Neuschäfer wrote:
> > > The devicetree bindings for Freescale DMA engines have so far existed as
> > > a text file. This patch converts them to YAML, and specifies all the
> > > compatible strings currently in use in arch/powerpc/boot/dts.
> > > 
> > > Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
> > > ---
[...]
> > dtschema/dtc warnings/errors:
> > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/dma/fsl,elo-dma.example.dtb: dma-controller@...8: '#dma-cells' is a required property
> > 	from schema $id: http://devicetree.org/schemas/dma/dma-controller.yaml#
> > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/dma/fsl,eloplus-dma.example.dtb: dma-controller@...00: '#dma-cells' is a required property
> > 	from schema $id: http://devicetree.org/schemas/dma/dma-controller.yaml#
> > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/dma/fsl,elo3-dma.example.dtb: dma-controller@...300: '#dma-cells' is a required property
> > 	from schema $id: http://devicetree.org/schemas/dma/dma-controller.yaml#
> 
> Just stick with 'dma' for node name as that's what .dts files are using 
> and 'dma-controller' is reserved for users of DMA provider binding.
> 
> Rob

Ok, makes sense.

Thanks,
J. Neuschäfer