1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/clock/amlogic,axg-audio-clkc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Amlogic AXG Audio Clock Controller
8
9 maintainers:
10 - Neil Armstrong <neil.armstrong@linaro.org>
11 - Jerome Brunet <jbrunet@baylibre.com>
12
13 description:
14 The Amlogic AXG audio clock controller generates and supplies clock to the
15 other elements of the audio subsystem, such as fifos, i2s, spdif and pdm
16 devices.
17
18 properties:
19 compatible:
20 enum:
21 - amlogic,axg-audio-clkc
22 - amlogic,g12a-audio-clkc
23 - amlogic,sm1-audio-clkc
24
25 '#clock-cells':
26 const: 1
27
28 '#reset-cells':
29 const: 1
30
31 reg:
32 maxItems: 1
33
34 clocks:
35 minItems: 1
36 items:
37 - description: main peripheral bus clock
38 - description: input plls to generate clock signals N0
39 - description: input plls to generate clock signals N1
40 - description: input plls to generate clock signals N2
41 - description: input plls to generate clock signals N3
42 - description: input plls to generate clock signals N4
43 - description: input plls to generate clock signals N5
44 - description: input plls to generate clock signals N6
45 - description: input plls to generate clock signals N7
46 - description: slave bit clock N0 provided by external components
47 - description: slave bit clock N1 provided by external components
48 - description: slave bit clock N2 provided by external components
49 - description: slave bit clock N3 provided by external components
50 - description: slave bit clock N4 provided by external components
51 - description: slave bit clock N5 provided by external components
52 - description: slave bit clock N6 provided by external components
53 - description: slave bit clock N7 provided by external components
54 - description: slave bit clock N8 provided by external components
55 - description: slave bit clock N9 provided by external components
56 - description: slave sample clock N0 provided by external components
57 - description: slave sample clock N1 provided by external components
58 - description: slave sample clock N2 provided by external components
59 - description: slave sample clock N3 provided by external components
60 - description: slave sample clock N4 provided by external components
61 - description: slave sample clock N5 provided by external components
62 - description: slave sample clock N6 provided by external components
63 - description: slave sample clock N7 provided by external components
64 - description: slave sample clock N8 provided by external components
65 - description: slave sample clock N9 provided by external components
66
67 clock-names:
68 minItems: 1
69 items:
70 - const: pclk
71 - const: mst_in0
72 - const: mst_in1
73 - const: mst_in2
74 - const: mst_in3
75 - const: mst_in4
76 - const: mst_in5
77 - const: mst_in6
78 - const: mst_in7
79 - const: slv_sclk0
80 - const: slv_sclk1
81 - const: slv_sclk2
82 - const: slv_sclk3
83 - const: slv_sclk4
84 - const: slv_sclk5
85 - const: slv_sclk6
86 - const: slv_sclk7
87 - const: slv_sclk8
88 - const: slv_sclk9
89 - const: slv_lrclk0
90 - const: slv_lrclk1
91 - const: slv_lrclk2
92 - const: slv_lrclk3
93 - const: slv_lrclk4
94 - const: slv_lrclk5
95 - const: slv_lrclk6
96 - const: slv_lrclk7
97 - const: slv_lrclk8
98 - const: slv_lrclk9
99
100 resets:
101 description: internal reset line
102
103 required:
104 - compatible
105 - '#clock-cells'
106 - reg
107 - clocks
108 - clock-names
109 - resets
110
111 allOf:
112 - if:
113 properties:
114 compatible:
115 contains:
116 enum:
117 - amlogic,g12a-audio-clkc
118 - amlogic,sm1-audio-clkc
119 then:
120 required:
121 - '#reset-cells'
122 else:
123 properties:
124 '#reset-cells': false
125
126 additionalProperties: false
127
128 examples:
129 - |
130 #include <dt-bindings/clock/axg-clkc.h>
131 #include <dt-bindings/reset/amlogic,meson-axg-reset.h>
132 apb {
133 #address-cells = <2>;
134 #size-cells = <2>;
135
136 clkc_audio: clock-controller@0 {
137 compatible = "amlogic,axg-audio-clkc";
138 reg = <0x0 0x0 0x0 0xb4>;
139 #clock-cells = <1>;
140
141 clocks = <&clkc CLKID_AUDIO>,
142 <&clkc CLKID_MPLL0>,
143 <&clkc CLKID_MPLL1>,
144 <&clkc CLKID_MPLL2>,
145 <&clkc CLKID_MPLL3>,
146 <&clkc CLKID_HIFI_PLL>,
147 <&clkc CLKID_FCLK_DIV3>,
148 <&clkc CLKID_FCLK_DIV4>,
149 <&clkc CLKID_GP0_PLL>,
150 <&slv_sclk0>,
151 <&slv_sclk1>,
152 <&slv_sclk2>,
153 <&slv_sclk3>,
154 <&slv_sclk4>,
155 <&slv_sclk5>,
156 <&slv_sclk6>,
157 <&slv_sclk7>,
158 <&slv_sclk8>,
159 <&slv_sclk9>,
160 <&slv_lrclk0>,
161 <&slv_lrclk1>,
162 <&slv_lrclk2>,
163 <&slv_lrclk3>,
164 <&slv_lrclk4>,
165 <&slv_lrclk5>,
166 <&slv_lrclk6>,
167 <&slv_lrclk7>,
168 <&slv_lrclk8>,
169 <&slv_lrclk9>;
170 clock-names = "pclk",
171 "mst_in0",
172 "mst_in1",
173 "mst_in2",
174 "mst_in3",
175 "mst_in4",
176 "mst_in5",
177 "mst_in6",
178 "mst_in7",
179 "slv_sclk0",
180 "slv_sclk1",
181 "slv_sclk2",
182 "slv_sclk3",
183 "slv_sclk4",
184 "slv_sclk5",
185 "slv_sclk6",
186 "slv_sclk7",
187 "slv_sclk8",
188 "slv_sclk9",
189 "slv_lrclk0",
190 "slv_lrclk1",
191 "slv_lrclk2",
192 "slv_lrclk3",
193 "slv_lrclk4",
194 "slv_lrclk5",
195 "slv_lrclk6",
196 "slv_lrclk7",
197 "slv_lrclk8",
198 "slv_lrclk9";
199 resets = <&reset RESET_AUDIO>;
200 };
201 };
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