xref: /linux/Documentation/devicetree/bindings/clock/amlogic,axg-audio-clkc.yaml (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
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
7title: Amlogic AXG Audio Clock Controller
8
9maintainers:
10  - Neil Armstrong <neil.armstrong@linaro.org>
11  - Jerome Brunet <jbrunet@baylibre.com>
12
13description:
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
18properties:
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
103required:
104  - compatible
105  - '#clock-cells'
106  - reg
107  - clocks
108  - clock-names
109  - resets
110
111allOf:
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
126additionalProperties: false
127
128examples:
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    };
202