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Linux kernel mirror (for testing)
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1# SPDX-License-Identifier: GPL-2.0+
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A10 System Control Device Tree Bindings
8
9maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13description:
14 The SRAM controller found on most Allwinner devices is represented
15 by a regular node for the SRAM controller itself, with sub-nodes
16 representing the SRAM handled by the SRAM controller.
17
18properties:
19 "#address-cells":
20 const: 1
21
22 "#size-cells":
23 const: 1
24
25 compatible:
26 oneOf:
27 - const: allwinner,sun4i-a10-sram-controller
28 deprecated: true
29 - const: allwinner,sun4i-a10-system-control
30 - const: allwinner,sun5i-a13-system-control
31 - items:
32 - const: allwinner,sun7i-a20-system-control
33 - const: allwinner,sun4i-a10-system-control
34 - const: allwinner,sun8i-a23-system-control
35 - const: allwinner,sun8i-h3-system-control
36 - const: allwinner,sun50i-a64-sram-controller
37 deprecated: true
38 - const: allwinner,sun50i-a64-system-control
39 - const: allwinner,sun50i-h5-system-control
40 - items:
41 - const: allwinner,sun50i-h6-system-control
42 - const: allwinner,sun50i-a64-system-control
43 - items:
44 - const: allwinner,suniv-f1c100s-system-control
45 - const: allwinner,sun4i-a10-system-control
46
47 reg:
48 maxItems: 1
49
50 ranges: true
51
52patternProperties:
53 "^sram@[a-z0-9]+":
54 type: object
55
56 properties:
57 compatible:
58 const: mmio-sram
59
60 patternProperties:
61 "^sram-section?@[a-f0-9]+$":
62 type: object
63
64 properties:
65 compatible:
66 oneOf:
67 - const: allwinner,sun4i-a10-sram-a3-a4
68 - const: allwinner,sun4i-a10-sram-c1
69 - const: allwinner,sun4i-a10-sram-d
70 - const: allwinner,sun50i-a64-sram-c
71 - items:
72 - const: allwinner,sun5i-a13-sram-a3-a4
73 - const: allwinner,sun4i-a10-sram-a3-a4
74 - items:
75 - const: allwinner,sun7i-a20-sram-a3-a4
76 - const: allwinner,sun4i-a10-sram-a3-a4
77 - items:
78 - const: allwinner,sun5i-a13-sram-c1
79 - const: allwinner,sun4i-a10-sram-c1
80 - items:
81 - const: allwinner,sun7i-a20-sram-c1
82 - const: allwinner,sun4i-a10-sram-c1
83 - items:
84 - const: allwinner,sun8i-a23-sram-c1
85 - const: allwinner,sun4i-a10-sram-c1
86 - items:
87 - const: allwinner,sun8i-h3-sram-c1
88 - const: allwinner,sun4i-a10-sram-c1
89 - items:
90 - const: allwinner,sun50i-a64-sram-c1
91 - const: allwinner,sun4i-a10-sram-c1
92 - items:
93 - const: allwinner,sun50i-h5-sram-c1
94 - const: allwinner,sun4i-a10-sram-c1
95 - items:
96 - const: allwinner,sun50i-h6-sram-c1
97 - const: allwinner,sun4i-a10-sram-c1
98 - items:
99 - const: allwinner,sun5i-a13-sram-d
100 - const: allwinner,sun4i-a10-sram-d
101 - items:
102 - const: allwinner,sun7i-a20-sram-d
103 - const: allwinner,sun4i-a10-sram-d
104 - items:
105 - const: allwinner,suniv-f1c100s-sram-d
106 - const: allwinner,sun4i-a10-sram-d
107 - items:
108 - const: allwinner,sun50i-h6-sram-c
109 - const: allwinner,sun50i-a64-sram-c
110
111required:
112 - "#address-cells"
113 - "#size-cells"
114 - compatible
115 - reg
116
117additionalProperties: false
118
119examples:
120 - |
121 system-control@1c00000 {
122 compatible = "allwinner,sun4i-a10-system-control";
123 reg = <0x01c00000 0x30>;
124 #address-cells = <1>;
125 #size-cells = <1>;
126 ranges;
127
128 sram_a: sram@0 {
129 compatible = "mmio-sram";
130 reg = <0x00000000 0xc000>;
131 #address-cells = <1>;
132 #size-cells = <1>;
133 ranges = <0 0x00000000 0xc000>;
134
135 emac_sram: sram-section@8000 {
136 compatible = "allwinner,sun4i-a10-sram-a3-a4";
137 reg = <0x8000 0x4000>;
138 };
139 };
140 };