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SubjectRe: [PATCH v13 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma
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@nvidia.com>
> Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
> Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
> ---
> .../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@nvidia.com>
> + - Rajesh Gumasta <rgumasta@nvidia.com>
> +
> +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

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