| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/dma/allwinner,sun4i-a10-dma.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Allwinner A10 DMA Controller |
| |
| maintainers: |
| - Chen-Yu Tsai <wens@csie.org> |
| - Maxime Ripard <mripard@kernel.org> |
| |
| allOf: |
| - $ref: dma-controller.yaml# |
| |
| properties: |
| "#dma-cells": |
| const: 2 |
| description: |
| The first cell is either 0 or 1, the former to use the normal |
| DMA, 1 for dedicated DMA. The second cell is the request line |
| number. |
| |
| compatible: |
| const: allwinner,sun4i-a10-dma |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| |
| required: |
| - "#dma-cells" |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| dma: dma-controller@1c02000 { |
| compatible = "allwinner,sun4i-a10-dma"; |
| reg = <0x01c02000 0x1000>; |
| interrupts = <27>; |
| clocks = <&ahb_gates 6>; |
| #dma-cells = <2>; |
| }; |
| |
| ... |
