1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/dma/loongson,ls2x-apbdma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Loongson LS2X APB DMA controller
8
9 description:
10 The Loongson LS2X APB DMA controller is used for transferring data
11 between system memory and the peripherals on the APB bus.
12
13 maintainers:
14 - Binbin Zhou <zhoubinbin@loongson.cn>
15
16 allOf:
17 - $ref: dma-controller.yaml#
18
19 properties:
20 compatible:
21 oneOf:
22 - const: loongson,ls2k1000-apbdma
23 - items:
24 - const: loongson,ls2k0500-apbdma
25 - const: loongson,ls2k1000-apbdma
26
27 reg:
28 maxItems: 1
29
30 interrupts:
31 maxItems: 1
32
33 clocks:
34 maxItems: 1
35
36 '#dma-cells':
37 const: 1
38
39 required:
40 - compatible
41 - reg
42 - interrupts
43 - clocks
44 - '#dma-cells'
45
46 additionalProperties: false
47
48 examples:
49 - |
50 #include <dt-bindings/interrupt-controller/irq.h>
51 #include <dt-bindings/clock/loongson,ls2k-clk.h>
52
53 dma-controller@1fe00c00 {
54 compatible = "loongson,ls2k1000-apbdma";
55 reg = <0x1fe00c00 0x8>;
56 interrupt-parent = <&liointc1>;
57 interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
58 clocks = <&clk LOONGSON2_APB_CLK>;
59 #dma-cells = <1>;
60 };
61
62 ...
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