0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/dma/allwinner,sun6i-a31-dma.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Allwinner A31 DMA Controller Device Tree Bindings
0008
0009 maintainers:
0010 - Chen-Yu Tsai <wens@csie.org>
0011 - Maxime Ripard <mripard@kernel.org>
0012
0013 allOf:
0014 - $ref: "dma-controller.yaml#"
0015
0016 properties:
0017 "#dma-cells":
0018 const: 1
0019 description: The cell is the request line number.
0020
0021 compatible:
0022 enum:
0023 - allwinner,sun6i-a31-dma
0024 - allwinner,sun8i-a23-dma
0025 - allwinner,sun8i-a83t-dma
0026 - allwinner,sun8i-h3-dma
0027 - allwinner,sun8i-v3s-dma
0028
0029 reg:
0030 maxItems: 1
0031
0032 interrupts:
0033 maxItems: 1
0034
0035 clocks:
0036 maxItems: 1
0037
0038 resets:
0039 maxItems: 1
0040
0041 required:
0042 - "#dma-cells"
0043 - compatible
0044 - reg
0045 - interrupts
0046 - clocks
0047 - resets
0048
0049 additionalProperties: false
0050
0051 examples:
0052 - |
0053 dma: dma-controller@1c02000 {
0054 compatible = "allwinner,sun6i-a31-dma";
0055 reg = <0x01c02000 0x1000>;
0056 interrupts = <0 50 4>;
0057 clocks = <&ahb1_gates 6>;
0058 resets = <&ahb1_rst 6>;
0059 #dma-cells = <1>;
0060 };
0061
0062 ...
