xref: /linux/Documentation/devicetree/bindings/dma/nxp,lpc3220-dmamux.yaml (revision 55d0969c451159cff86949b38c39171cab962069) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/dma/nxp,lpc3220-dmamux.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: DMA multiplexer for LPC32XX SoC (DMA request router)
8
9maintainers:
10  - J.M.B. Downing <jonathan.downing@nautel.com>
11  - Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>
12
13allOf:
14  - $ref: dma-router.yaml#
15
16properties:
17  compatible:
18    const: nxp,lpc3220-dmamux
19
20  reg:
21    maxItems: 1
22
23  dma-masters:
24    description: phandle to a dma node compatible with arm,pl080
25    maxItems: 1
26
27  "#dma-cells":
28    const: 3
29    description: |
30      First two cells same as for device pointed in dma-masters.
31      Third cell represents mux value for the request.
32
33required:
34  - compatible
35  - reg
36  - dma-masters
37
38additionalProperties: false
39
40examples:
41  - |
42    dma-router@7c {
43      compatible = "nxp,lpc3220-dmamux";
44      reg = <0x7c 0x8>;
45      dma-masters = <&dma>;
46      #dma-cells = <3>;
47    };
48
49...
50