linux-kernel - RE: [PATCH v2 1/3] dt-bindings: dmaengine: Add compatible for Tegra234

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Date:   Fri, 8 Jul 2022 16:10:47 +0000
From:   Akhil R <akhilrajeev@...dia.com>
To:     Thierry Reding <thierry.reding@...il.com>
CC:     "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH v2 1/3] dt-bindings: dmaengine: Add compatible for
 Tegra234

> On Thu, Jul 07, 2022 at 08:27:27PM +0530, Akhil R wrote:
> > Document the compatible string used by GPCDMA controller for Tegra234.
> >
> > Signed-off-by: Akhil R <akhilrajeev@...dia.com>
> > ---
> >  .../devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml         | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> > b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> > index 9dd1476d1849..81f3badbc8ec 100644
> > ---
> > a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> > +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.ya
> > +++ ml
> > @@ -23,6 +23,7 @@ properties:
> >      oneOf:
> >        - const: nvidia,tegra186-gpcdma
> >        - items:
> > +          - const: nvidia,tegra234-gpcdma
> >            - const: nvidia,tegra194-gpcdma
> >            - const: nvidia,tegra186-gpcdma
> 
> I don't think this works because it will now fail to validate Tegra194 device trees.
> You'll need to create a separate set of items for Tegra234.

If I update it as below, would it work?

- items:
	- const: nvidia,tegra234-gpcdma
	- const: nvidia,tegra186-gpcdma

- items:
	- const: nvidia,tegra194-gpcdma
	- const: nvidia,tegra186-gpcdma

Regards,
Akhil

--
nvpublic