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.yaml > @@ -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. Rob
