1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iommu/allwi
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Allwinner H6 IOMMU
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 properties:
14 "#iommu-cells":
15 const: 1
16 description:
17 The content of the cell is the master ID
18
19 compatible:
20 oneOf:
21 - const: allwinner,sun50i-h6-iommu
22 - const: allwinner,sun50i-h616-iommu
23 - items:
24 - const: allwinner,sun55i-a523-iommu
25 - const: allwinner,sun50i-h616-iommu
26
27 reg:
28 maxItems: 1
29
30 interrupts:
31 maxItems: 1
32
33 clocks:
34 maxItems: 1
35
36 resets:
37 maxItems: 1
38
39 required:
40 - "#iommu-cells"
41 - compatible
42 - reg
43 - interrupts
44 - clocks
45 - resets
46
47 additionalProperties: false
48
49 examples:
50 - |
51 #include <dt-bindings/interrupt-controll
52 #include <dt-bindings/interrupt-controll
53
54 #include <dt-bindings/clock/sun50i-h6-cc
55 #include <dt-bindings/reset/sun50i-h6-cc
56
57 iommu: iommu@30f0000 {
58 compatible = "allwinner,sun50i-h6-io
59 reg = <0x030f0000 0x10000>;
60 interrupts = <GIC_SPI 57 IRQ_TYPE_LE
61 clocks = <&ccu CLK_BUS_IOMMU>;
62 resets = <&ccu RST_BUS_IOMMU>;
63 #iommu-cells = <1>;
64 };
65
66 ...
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