| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/dma/dma-router.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: DMA Router Common Properties |
| 8 | |
| 9 | maintainers: |
| 10 | - Vinod Koul <vkoul@kernel.org> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: dma-common.yaml# |
| 14 | |
| 15 | description: |
| 16 | DMA routers are transparent IP blocks used to route DMA request |
| 17 | lines from devices to the DMA controller. Some SoCs (like TI DRA7x) |
| 18 | have more peripherals integrated with DMA requests than what the DMA |
| 19 | controller can handle directly. |
| 20 | |
| 21 | properties: |
| 22 | $nodename: |
| 23 | pattern: "^dma-router(@.*)?$" |
| 24 | |
| 25 | dma-masters: |
| 26 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 27 | items: |
| 28 | maxItems: 1 |
| 29 | description: |
| 30 | Array of phandles to the DMA controllers the router can direct |
| 31 | the signal to. |
| 32 | |
| 33 | dma-requests: |
| 34 | description: |
| 35 | Number of incoming request lines the router can handle. |
| 36 | |
| 37 | required: |
| 38 | - "#dma-cells" |
| 39 | - dma-masters |
| 40 | |
| 41 | additionalProperties: true |
| 42 | |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 43 | ... |