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Diffstat (limited to 'Documentation/devicetree/bindings/dma/dma-router.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/dma-router.yaml | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/dma-router.yaml b/Documentation/devicetree/bindings/dma/dma-router.yaml new file mode 100644 index 000000000000..5ad2febc581e --- /dev/null +++ b/Documentation/devicetree/bindings/dma/dma-router.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/dma-router.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DMA Router Common Properties + +maintainers: + - Vinod Koul <vkoul@kernel.org> + +allOf: + - $ref: dma-common.yaml# + +description: + DMA routers are transparent IP blocks used to route DMA request + lines from devices to the DMA controller. Some SoCs (like TI DRA7x) + have more peripherals integrated with DMA requests than what the DMA + controller can handle directly. + +properties: + $nodename: + pattern: "^dma-router(@.*)?$" + + dma-masters: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + maxItems: 1 + description: + Array of phandles to the DMA controllers the router can direct + the signal to. + + dma-requests: + description: + Number of incoming request lines the router can handle. + +required: + - "#dma-cells" + - dma-masters + +additionalProperties: true + +... |