| 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/allwinner,sun4i-a10-dma.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Allwinner A10 DMA Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Chen-Yu Tsai <wens@csie.org> |
| 11 | - Maxime Ripard <mripard@kernel.org> |
| 12 | |
| 13 | allOf: |
| 14 | - $ref: dma-controller.yaml# |
| 15 | |
| 16 | properties: |
| 17 | "#dma-cells": |
| 18 | const: 2 |
| 19 | description: |
| 20 | The first cell is either 0 or 1, the former to use the normal |
| 21 | DMA, 1 for dedicated DMA. The second cell is the request line |
| 22 | number. |
| 23 | |
| 24 | compatible: |
| 25 | const: allwinner,sun4i-a10-dma |
| 26 | |
| 27 | reg: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | interrupts: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | clocks: |
| 34 | maxItems: 1 |
| 35 | |
| 36 | required: |
| 37 | - "#dma-cells" |
| 38 | - compatible |
| 39 | - reg |
| 40 | - interrupts |
| 41 | - clocks |
| 42 | |
| 43 | additionalProperties: false |
| 44 | |
| 45 | examples: |
| 46 | - | |
| 47 | dma: dma-controller@1c02000 { |
| 48 | compatible = "allwinner,sun4i-a10-dma"; |
| 49 | reg = <0x01c02000 0x1000>; |
| 50 | interrupts = <27>; |
| 51 | clocks = <&ahb_gates 6>; |
| 52 | #dma-cells = <2>; |
| 53 | }; |
| 54 | |
| 55 | ... |