linux-zen-desktop/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml

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1014 B
YAML

# 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>;
};
...