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Tom Rini53633a82024-02-29 12:33:36 -05001# 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
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 - enum:
28 - allwinner,sun4i-a10-sram-controller
29 - allwinner,sun50i-a64-sram-controller
30 deprecated: true
31 - enum:
32 - allwinner,sun4i-a10-system-control
33 - allwinner,sun5i-a13-system-control
34 - allwinner,sun8i-a23-system-control
35 - allwinner,sun8i-h3-system-control
36 - allwinner,sun20i-d1-system-control
37 - allwinner,sun50i-a64-system-control
38 - allwinner,sun50i-h5-system-control
39 - allwinner,sun50i-h616-system-control
40 - items:
41 - enum:
42 - allwinner,suniv-f1c100s-system-control
43 - allwinner,sun7i-a20-system-control
44 - allwinner,sun8i-r40-system-control
45 - const: allwinner,sun4i-a10-system-control
46 - items:
47 - const: allwinner,sun8i-v3s-system-control
48 - const: allwinner,sun8i-h3-system-control
49 - items:
50 - const: allwinner,sun50i-h6-system-control
51 - const: allwinner,sun50i-a64-system-control
52
53 reg:
54 maxItems: 1
55
56 ranges: true
57
58patternProperties:
Tom Rini6bb92fc2024-05-20 09:54:58 -060059 "^sram@[a-f0-9]+":
Tom Rini53633a82024-02-29 12:33:36 -050060 $ref: /schemas/sram/sram.yaml#
61 unevaluatedProperties: false
62
63 patternProperties:
64 "^sram-section?@[a-f0-9]+$":
65 type: object
66 additionalProperties: false
67
68 properties:
69 reg: true
70
71 compatible:
72 oneOf:
73 - const: allwinner,sun4i-a10-sram-a3-a4
74 - const: allwinner,sun4i-a10-sram-c1
75 - const: allwinner,sun4i-a10-sram-d
76 - const: allwinner,sun50i-a64-sram-c
77 - items:
78 - enum:
79 - allwinner,sun5i-a13-sram-a3-a4
80 - allwinner,sun7i-a20-sram-a3-a4
81 - const: allwinner,sun4i-a10-sram-a3-a4
82 - items:
83 - enum:
84 - allwinner,sun5i-a13-sram-c1
85 - allwinner,sun7i-a20-sram-c1
86 - allwinner,sun8i-a23-sram-c1
87 - allwinner,sun8i-h3-sram-c1
88 - allwinner,sun8i-r40-sram-c1
89 - allwinner,sun50i-a64-sram-c1
90 - allwinner,sun50i-h5-sram-c1
91 - allwinner,sun50i-h6-sram-c1
92 - const: allwinner,sun4i-a10-sram-c1
93 - items:
94 - enum:
95 - allwinner,suniv-f1c100s-sram-d
96 - allwinner,sun5i-a13-sram-d
97 - allwinner,sun7i-a20-sram-d
98 - const: allwinner,sun4i-a10-sram-d
99 - items:
100 - const: allwinner,sun50i-h6-sram-c
101 - const: allwinner,sun50i-a64-sram-c
102
103required:
104 - "#address-cells"
105 - "#size-cells"
106 - compatible
107 - reg
108
109additionalProperties: false
110
111examples:
112 - |
113 system-control@1c00000 {
114 compatible = "allwinner,sun4i-a10-system-control";
115 reg = <0x01c00000 0x30>;
116 #address-cells = <1>;
117 #size-cells = <1>;
118 ranges;
119
120 sram_a: sram@0 {
121 compatible = "mmio-sram";
122 reg = <0x00000000 0xc000>;
123 #address-cells = <1>;
124 #size-cells = <1>;
125 ranges = <0 0x00000000 0xc000>;
126
127 emac_sram: sram-section@8000 {
128 compatible = "allwinner,sun4i-a10-sram-a3-a4";
129 reg = <0x8000 0x4000>;
130 };
131 };
132 };