tjh.dev
Linux kernel mirror (for testing)
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linux
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
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 - enum:
51 - allwinner,sun50i-a100-system-control
52 - allwinner,sun50i-h6-system-control
53 - allwinner,sun55i-a523-system-control
54 - const: allwinner,sun50i-a64-system-control
55
56 reg:
57 maxItems: 1
58
59 ranges: true
60
61patternProperties:
62 "^regulators@[0-9a-f]+$":
63 $ref: /schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#
64
65 "^sram@[a-f0-9]+":
66 $ref: /schemas/sram/sram.yaml#
67 unevaluatedProperties: false
68
69 patternProperties:
70 "^sram-section?@[a-f0-9]+$":
71 type: object
72 additionalProperties: false
73
74 properties:
75 reg: true
76
77 compatible:
78 oneOf:
79 - const: allwinner,sun4i-a10-sram-a3-a4
80 - const: allwinner,sun4i-a10-sram-c1
81 - const: allwinner,sun4i-a10-sram-d
82 - const: allwinner,sun50i-a64-sram-c
83 - items:
84 - enum:
85 - allwinner,sun5i-a13-sram-a3-a4
86 - allwinner,sun7i-a20-sram-a3-a4
87 - const: allwinner,sun4i-a10-sram-a3-a4
88 - items:
89 - enum:
90 - allwinner,sun5i-a13-sram-c1
91 - allwinner,sun7i-a20-sram-c1
92 - allwinner,sun8i-a23-sram-c1
93 - allwinner,sun8i-h3-sram-c1
94 - allwinner,sun8i-r40-sram-c1
95 - allwinner,sun50i-a64-sram-c1
96 - allwinner,sun50i-h5-sram-c1
97 - allwinner,sun50i-h6-sram-c1
98 - const: allwinner,sun4i-a10-sram-c1
99 - items:
100 - enum:
101 - allwinner,suniv-f1c100s-sram-d
102 - allwinner,sun5i-a13-sram-d
103 - allwinner,sun7i-a20-sram-d
104 - const: allwinner,sun4i-a10-sram-d
105 - items:
106 - const: allwinner,sun50i-h6-sram-c
107 - const: allwinner,sun50i-a64-sram-c
108
109required:
110 - "#address-cells"
111 - "#size-cells"
112 - compatible
113 - reg
114
115additionalProperties: false
116
117examples:
118 - |
119 system-control@1c00000 {
120 compatible = "allwinner,sun4i-a10-system-control";
121 reg = <0x01c00000 0x30>;
122 #address-cells = <1>;
123 #size-cells = <1>;
124 ranges;
125
126 sram_a: sram@0 {
127 compatible = "mmio-sram";
128 reg = <0x00000000 0xc000>;
129 #address-cells = <1>;
130 #size-cells = <1>;
131 ranges = <0 0x00000000 0xc000>;
132
133 emac_sram: sram-section@8000 {
134 compatible = "allwinner,sun4i-a10-sram-a3-a4";
135 reg = <0x8000 0x4000>;
136 };
137 };
138 };
139
140 - |
141 syscon@3000000 {
142 compatible = "allwinner,sun20i-d1-system-control";
143 reg = <0x3000000 0x1000>;
144 ranges;
145 #address-cells = <1>;
146 #size-cells = <1>;
147
148 regulators@3000150 {
149 compatible = "allwinner,sun20i-d1-system-ldos";
150 reg = <0x3000150 0x4>;
151
152 reg_ldoa: ldoa {
153 regulator-min-microvolt = <1800000>;
154 regulator-max-microvolt = <1800000>;
155 };
156
157 reg_ldob: ldob {
158 regulator-name = "vcc-dram";
159 regulator-min-microvolt = <1500000>;
160 regulator-max-microvolt = <1500000>;
161 };
162 };
163 };