summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
blob: a1c96985951ff2b1083ed64d86bcf24235ad9101 (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
# 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

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:
      - enum:
          - allwinner,sun4i-a10-sram-controller
          - allwinner,sun50i-a64-sram-controller
        deprecated: true
      - enum:
          - allwinner,sun4i-a10-system-control
          - allwinner,sun5i-a13-system-control
          - allwinner,sun8i-a23-system-control
          - allwinner,sun8i-h3-system-control
          - allwinner,sun20i-d1-system-control
          - allwinner,sun50i-a64-system-control
          - allwinner,sun50i-h5-system-control
          - allwinner,sun50i-h616-system-control
      - items:
          - enum:
              - allwinner,suniv-f1c100s-system-control
              - allwinner,sun7i-a20-system-control
              - allwinner,sun8i-r40-system-control
          - const: allwinner,sun4i-a10-system-control
      - items:
          - const: allwinner,sun8i-v3s-system-control
          - const: allwinner,sun8i-h3-system-control
      - items:
          - const: allwinner,sun50i-h6-system-control
          - const: allwinner,sun50i-a64-system-control

  reg:
    maxItems: 1

  ranges: true

patternProperties:
  "^sram@[a-z0-9]+":
    $ref: /schemas/sram/sram.yaml#
    unevaluatedProperties: false

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

        properties:
          reg: true

          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:
                  - enum:
                      - allwinner,sun5i-a13-sram-a3-a4
                      - allwinner,sun7i-a20-sram-a3-a4
                  - const: allwinner,sun4i-a10-sram-a3-a4
              - items:
                  - enum:
                      - allwinner,sun5i-a13-sram-c1
                      - allwinner,sun7i-a20-sram-c1
                      - allwinner,sun8i-a23-sram-c1
                      - allwinner,sun8i-h3-sram-c1
                      - allwinner,sun8i-r40-sram-c1
                      - allwinner,sun50i-a64-sram-c1
                      - allwinner,sun50i-h5-sram-c1
                      - allwinner,sun50i-h6-sram-c1
                  - const: allwinner,sun4i-a10-sram-c1
              - items:
                  - enum:
                      - allwinner,suniv-f1c100s-sram-d
                      - allwinner,sun5i-a13-sram-d
                      - allwinner,sun7i-a20-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>;
        };
      };
    };