> On Mon, Nov 22, 2021 at 02:58:09PM +0530, Akhil R wrote: > > Add DT binding document for Nvidia Tegra GPCDMA controller. > > > > Signed-off-by: Rajesh Gumasta <rgumasta@xxxxxxxxxx> > > Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx> > > Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx> > > --- > > .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 111 > +++++++++++++++++++++ > > 1 file changed, 111 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml > > > > diff --git > > a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml > > b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml > > new file mode 100644 > > index 0000000..3a5a70d > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.ya > > +++ ml > > @@ -0,0 +1,111 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: NVIDIA Tegra GPC DMA Controller Device Tree Bindings > > + > > +description: | > > + The Tegra General Purpose Central (GPC) DMA controller is used for > > +faster > > + data transfers between memory to memory, memory to device and > > +device to > > + memory. > > + > > +maintainers: > > + - Jon Hunter <jonathanh@xxxxxxxxxx> > > + - Rajesh Gumasta <rgumasta@xxxxxxxxxx> > > + > > +allOf: > > + - $ref: "dma-controller.yaml#" > > + > > +properties: > > + compatible: > > + oneOf: > > + - const: nvidia,tegra186-gpcdma > > + - items: > > + - const: nvidia,tegra186-gpcdma > > + - const: nvidia,tegra194-gpcdma > > Still not how 'compatible' works nor what I wrote out for you. I thought '186' and '194' got interchanged in your previous comment because it is 194 which is the superset of 186 and have got more features than 186. Or probably I did not understand the idea correctly yet.
