tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1# SPDX-License-Identifier: GPL-2.0+
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mfd/allwinner,sun8i-a23-prcm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A23 PRCM
8
9maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13deprecated: true
14
15properties:
16 compatible:
17 const: allwinner,sun8i-a23-prcm
18
19 reg:
20 maxItems: 1
21
22patternProperties:
23 "^.*(clk|rst|codec).*$":
24 type: object
25 unevaluatedProperties: false
26
27 properties:
28 compatible:
29 enum:
30 - fixed-factor-clock
31 - allwinner,sun8i-a23-apb0-clk
32 - allwinner,sun8i-a23-apb0-gates-clk
33 - allwinner,sun6i-a31-clock-reset
34 - allwinner,sun8i-a23-codec-analog
35
36 required:
37 - compatible
38
39 allOf:
40 - if:
41 properties:
42 compatible:
43 contains:
44 const: fixed-factor-clock
45
46 then:
47 $ref: /schemas/clock/fixed-factor-clock.yaml#
48
49 - if:
50 properties:
51 compatible:
52 contains:
53 const: allwinner,sun8i-a23-apb0-clk
54
55 then:
56 properties:
57 "#clock-cells":
58 const: 0
59
60 # Already checked in the main schema
61 compatible: true
62
63 clocks:
64 maxItems: 1
65
66 clock-output-names:
67 maxItems: 1
68
69 phandle: true
70
71 required:
72 - "#clock-cells"
73 - compatible
74 - clocks
75 - clock-output-names
76
77 additionalProperties: false
78
79 - if:
80 properties:
81 compatible:
82 contains:
83 const: allwinner,sun8i-a23-apb0-gates-clk
84
85 then:
86 properties:
87 "#clock-cells":
88 const: 1
89 description: >
90 This additional argument passed to that clock is the
91 offset of the bit controlling this particular gate in
92 the register.
93
94 # Already checked in the main schema
95 compatible: true
96
97 clocks:
98 maxItems: 1
99
100 clock-output-names:
101 minItems: 1
102 maxItems: 32
103
104 phandle: true
105
106 required:
107 - "#clock-cells"
108 - compatible
109 - clocks
110 - clock-output-names
111
112 additionalProperties: false
113
114 - if:
115 properties:
116 compatible:
117 contains:
118 const: allwinner,sun6i-a31-clock-reset
119
120 then:
121 properties:
122 "#reset-cells":
123 const: 1
124
125 # Already checked in the main schema
126 compatible: true
127
128 phandle: true
129
130 required:
131 - "#reset-cells"
132 - compatible
133
134 additionalProperties: false
135
136 - if:
137 properties:
138 compatible:
139 contains:
140 const: allwinner,sun8i-a23-codec-analog
141
142 then:
143 properties:
144 # Already checked in the main schema
145 compatible: true
146
147 phandle: true
148
149 required:
150 - compatible
151
152 additionalProperties: false
153
154required:
155 - compatible
156 - reg
157
158additionalProperties: false
159
160examples:
161 - |
162 prcm@1f01400 {
163 compatible = "allwinner,sun8i-a23-prcm";
164 reg = <0x01f01400 0x200>;
165
166 ar100: ar100_clk {
167 compatible = "fixed-factor-clock";
168 #clock-cells = <0>;
169 clock-div = <1>;
170 clock-mult = <1>;
171 clocks = <&osc24M>;
172 clock-output-names = "ar100";
173 };
174
175 ahb0: ahb0_clk {
176 compatible = "fixed-factor-clock";
177 #clock-cells = <0>;
178 clock-div = <1>;
179 clock-mult = <1>;
180 clocks = <&ar100>;
181 clock-output-names = "ahb0";
182 };
183
184 apb0: apb0_clk {
185 compatible = "allwinner,sun8i-a23-apb0-clk";
186 #clock-cells = <0>;
187 clocks = <&ahb0>;
188 clock-output-names = "apb0";
189 };
190
191 apb0_gates: apb0_gates_clk {
192 compatible = "allwinner,sun8i-a23-apb0-gates-clk";
193 #clock-cells = <1>;
194 clocks = <&apb0>;
195 clock-output-names = "apb0_pio", "apb0_timer",
196 "apb0_rsb", "apb0_uart",
197 "apb0_i2c";
198 };
199
200 apb0_rst: apb0_rst {
201 compatible = "allwinner,sun6i-a31-clock-reset";
202 #reset-cells = <1>;
203 };
204
205 codec_analog: codec-analog {
206 compatible = "allwinner,sun8i-a23-codec-analog";
207 };
208 };
209
210...