summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
blob: 6ebcbc15369181988c02e4bee352b43d3162863b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
# SPDX-License-Identifier: GPL-2.0+
%YAML 1.2
---
$id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A10 System Control Device Tree Bindings

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

description:
  The SRAM controller found on most Allwinner devices is represented
  by a regular node for the SRAM controller itself, with sub-nodes
  representing the SRAM handled by the SRAM controller.

properties:
  "#address-cells":
    const: 1

  "#size-cells":
    const: 1

  compatible:
    oneOf:
      - const: allwinner,sun4i-a10-sram-controller
        deprecated: true
      - const: allwinner,sun4i-a10-system-control
      - const: allwinner,sun5i-a13-system-control
      - items:
          - const: allwinner,sun7i-a20-system-control
          - const: allwinner,sun4i-a10-system-control
      - const: allwinner,sun8i-a23-system-control
      - const: allwinner,sun8i-h3-system-control
      - items:
          - const: allwinner,sun8i-r40-system-control
          - const: allwinner,sun4i-a10-system-control
      - const: allwinner,sun50i-a64-sram-controller
        deprecated: true
      - const: allwinner,sun50i-a64-system-control
      - const: allwinner,sun50i-h5-system-control
      - items:
          - const: allwinner,sun50i-h6-system-control
          - const: allwinner,sun50i-a64-system-control
      - items:
          - const: allwinner,suniv-f1c100s-system-control
          - const: allwinner,sun4i-a10-system-control

  reg:
    maxItems: 1

  ranges: true

patternProperties:
  "^sram@[a-z0-9]+":
    type: object

    properties:
      compatible:
        const: mmio-sram

    patternProperties:
      "^sram-section?@[a-f0-9]+$":
        type: object

        properties:
          compatible:
            oneOf:
              - const: allwinner,sun4i-a10-sram-a3-a4
              - const: allwinner,sun4i-a10-sram-c1
              - const: allwinner,sun4i-a10-sram-d
              - const: allwinner,sun50i-a64-sram-c
              - items:
                  - const: allwinner,sun5i-a13-sram-a3-a4
                  - const: allwinner,sun4i-a10-sram-a3-a4
              - items:
                  - const: allwinner,sun7i-a20-sram-a3-a4
                  - const: allwinner,sun4i-a10-sram-a3-a4
              - items:
                  - const: allwinner,sun5i-a13-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun7i-a20-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun8i-a23-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun8i-h3-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun8i-r40-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun50i-a64-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun50i-h5-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun50i-h6-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - const: allwinner,sun5i-a13-sram-d
                  - const: allwinner,sun4i-a10-sram-d
              - items:
                  - const: allwinner,sun7i-a20-sram-d
                  - const: allwinner,sun4i-a10-sram-d
              - items:
                  - const: allwinner,suniv-f1c100s-sram-d
                  - const: allwinner,sun4i-a10-sram-d
              - items:
                  - const: allwinner,sun50i-h6-sram-c
                  - const: allwinner,sun50i-a64-sram-c

required:
  - "#address-cells"
  - "#size-cells"
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    system-control@1c00000 {
      compatible = "allwinner,sun4i-a10-system-control";
      reg = <0x01c00000 0x30>;
      #address-cells = <1>;
      #size-cells = <1>;
      ranges;

      sram_a: sram@0 {
        compatible = "mmio-sram";
        reg = <0x00000000 0xc000>;
        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0 0x00000000 0xc000>;

        emac_sram: sram-section@8000 {
          compatible = "allwinner,sun4i-a10-sram-a3-a4";
          reg = <0x8000 0x4000>;
        };
      };
    };