1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/dma/allwinn 4 $id: http://devicetree.org/schemas/dma/allwinner,sun50i-a64-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Allwinner A64 DMA Controller 7 title: Allwinner A64 DMA Controller
8 8
9 maintainers: 9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org> 10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org> 11 - Maxime Ripard <mripard@kernel.org>
12 12
13 allOf: 13 allOf:
14 - $ref: dma-controller.yaml# 14 - $ref: dma-controller.yaml#
15 15
16 properties: 16 properties:
17 "#dma-cells": 17 "#dma-cells":
18 const: 1 18 const: 1
19 description: The cell is the request line 19 description: The cell is the request line number.
20 20
21 compatible: 21 compatible:
22 oneOf: 22 oneOf:
23 - enum: 23 - enum:
24 - allwinner,sun20i-d1-dma 24 - allwinner,sun20i-d1-dma
25 - allwinner,sun50i-a64-dma 25 - allwinner,sun50i-a64-dma
26 - allwinner,sun50i-a100-dma 26 - allwinner,sun50i-a100-dma
27 - allwinner,sun50i-h6-dma 27 - allwinner,sun50i-h6-dma
28 - items: 28 - items:
29 - const: allwinner,sun8i-r40-dma 29 - const: allwinner,sun8i-r40-dma
30 - const: allwinner,sun50i-a64-dma 30 - const: allwinner,sun50i-a64-dma
31 - items: 31 - items:
32 - const: allwinner,sun50i-h616-dma 32 - const: allwinner,sun50i-h616-dma
33 - const: allwinner,sun50i-a100-dma 33 - const: allwinner,sun50i-a100-dma
34 34
35 reg: 35 reg:
36 maxItems: 1 36 maxItems: 1
37 37
38 interrupts: 38 interrupts:
39 maxItems: 1 39 maxItems: 1
40 40
41 clocks: 41 clocks:
42 minItems: 1 42 minItems: 1
43 maxItems: 2 43 maxItems: 2
44 44
45 clock-names: 45 clock-names:
46 items: 46 items:
47 - const: bus 47 - const: bus
48 - const: mbus 48 - const: mbus
49 49
50 resets: 50 resets:
51 maxItems: 1 51 maxItems: 1
52 52
53 required: 53 required:
54 - "#dma-cells" 54 - "#dma-cells"
55 - compatible 55 - compatible
56 - reg 56 - reg
57 - interrupts 57 - interrupts
58 - clocks 58 - clocks
59 - resets 59 - resets
60 - dma-channels 60 - dma-channels
61 61
62 if: 62 if:
63 properties: 63 properties:
64 compatible: 64 compatible:
65 contains: 65 contains:
66 enum: 66 enum:
67 - allwinner,sun20i-d1-dma 67 - allwinner,sun20i-d1-dma
68 - allwinner,sun50i-a100-dma 68 - allwinner,sun50i-a100-dma
69 - allwinner,sun50i-h6-dma 69 - allwinner,sun50i-h6-dma
70 70
71 then: 71 then:
72 properties: 72 properties:
73 clocks: 73 clocks:
74 minItems: 2 74 minItems: 2
75 75
76 required: 76 required:
77 - clock-names 77 - clock-names
78 78
79 else: 79 else:
80 properties: 80 properties:
81 clocks: 81 clocks:
82 maxItems: 1 82 maxItems: 1
83 83
84 unevaluatedProperties: false 84 unevaluatedProperties: false
85 85
86 examples: 86 examples:
87 - | 87 - |
88 dma: dma-controller@1c02000 { 88 dma: dma-controller@1c02000 {
89 compatible = "allwinner,sun50i-a64-dma 89 compatible = "allwinner,sun50i-a64-dma";
90 reg = <0x01c02000 0x1000>; 90 reg = <0x01c02000 0x1000>;
91 interrupts = <0 50 4>; 91 interrupts = <0 50 4>;
92 clocks = <&ccu 30>; 92 clocks = <&ccu 30>;
93 dma-channels = <8>; 93 dma-channels = <8>;
94 dma-requests = <27>; 94 dma-requests = <27>;
95 resets = <&ccu 7>; 95 resets = <&ccu 7>;
96 #dma-cells = <1>; 96 #dma-cells = <1>;
97 }; 97 };
98 98
99 ... 99 ...
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