Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * audio-graph-card2-custom-sample.dtsi
4 *
5 * Copyright (C) 2020 Renesas Electronics Corp.
6 * Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 *
8 * This sample indicates how to use audio-graph-card2 and its
9 * custom driver. "audio-graph-card2-custom-sample" is the custome driver
10 * which is using audio-graph-card2.
11 *
12 * You can easily use this sample by adding below line on your DT file,
13 * and add new CONFIG to your .config.
14 *
15 * #include "../../../../../sound/soc/generic/audio-graph-card2-custom-sample.dtsi"
16 *
17 * CONFIG_SND_AUDIO_GRAPH_CARD2
18 * CONFIG_SND_AUDIO_GRAPH_CARD2_CUSTOM_SAMPLE
19 * CONFIG_SND_TEST_COMPONENT
20 *
21 *
22 * You can indicate more detail each device behavior as debug if you modify
23 * "compatible" on each test-component. see below
24 *
25 * test_cpu {
26 * - compatible = "test-cpu";
27 * + compatible = "test-cpu-verbose";
28 * ...
29 * };
30 *
31 * test_codec {
32 * - compatible = "test-codec";
33 * + compatible = "test-codec-verbose";
34 * ...
35 * };
36 *
37 */
38/ {
39 /*
40 * @ : used at links
41 *
42 * [Normal]
43 * cpu0 <-@-----------------> codec0
44 *
45 * [Multi-CPU/Codec]
46 * +-+ +-+
47 * cpu1 <--| |<-@--------->| |-> codec1
48 * cpu2 <--| | | |-> codec2
49 * +-+ +-+
50 *
51 * [DPCM]
52 *
53 * CPU3/CPU4 are converting rate to 44100
54 *
55 * FE BE
56 * ****
57 * cpu3 <-@--* *--@-> codec3
58 * cpu4 <-@--* * (44.1kHz)
59 * ****
60 *
61 * [DPCM-Multi]
62 *
63 * --NOTE--
64 * Multi-FE is not supported by ASoC.
65 *
66 * FE BE
67 * **** +-+
68 * cpu5 <-@--* *--@-> | | -> codec4
69 * cpu6 <-@--* * | | -> codec5
70 * **** +-+
71 *
72 * [Codec2Codec]
73 * +-@-> codec6
74 * |
75 * +---> codec7
76 *
77 * [Codec2Codec-Multi]
78 *
79 * --NOTE--
80 * Multi connect N:M is not supported by ASoC.
81 *
82 * +-+
83 * +-@->| |-> codec8
84 * | | |-> codec9
85 * | +-+
86 * | +-+
87 * +--->| |-> codec10
88 * | |-> codec11
89 * +-+
90 */
91 audio-graph-card2-custom-sample {
92 /*
93 * You can use audio-graph-card2 directly by using
94 *
95 * compatible = "audio-graph-card2";
96 */
97 compatible = "audio-graph-card2-custom-sample";
98
99 /* for [DPCM] */
100 /* BE FE */
101 routing = "TC DAI3 Playback", "DAI3 Playback",
102 "TC DAI3 Playback", "DAI4 Playback",
103 "DAI3 Capture", "TC DAI3 Capture",
104 "DAI4 Capture", "TC DAI3 Capture",
105 /* for [DPCM-Multi] */
106 /* BE FE */
107 "TC DAI4 Playback", "DAI5 Playback",
108 "TC DAI5 Playback", "DAI5 Playback",
109 "TC DAI4 Playback", "DAI6 Playback",
110 "TC DAI5 Playback", "DAI6 Playback",
111 "DAI5 Capture", "TC DAI4 Capture",
112 "DAI5 Capture", "TC DAI5 Capture",
113 "DAI6 Capture", "TC DAI4 Capture",
114 "DAI6 Capture", "TC DAI5 Capture",
115 /* for [Codec2Codec] */
116 "TC OUT", "TC DAI7 Playback",
117 "TC DAI6 Capture", "TC IN",
118 /* for [Codec2Codec-Multi] */
119 "TC OUT", "TC DAI10 Playback",
120 "TC DAI8 Capture", "TC IN",
121 "TC OUT", "TC DAI11 Playback",
122 "TC DAI9 Capture", "TC IN";
123
124 links = <
125 /*
126 * [Normal]: cpu side only
127 * cpu0/codec0
128 */
129 &cpu0
130
131 /*
132 * [Multi-CPU/Codec]: cpu side only
133 * cpu1/cpu2/codec1/codec2
134 */
135 &mcpu0
136
137 /*
138 * [DPCM]: both FE / BE
139 * cpu3/cpu4/codec3
140 */
141 &fe00 &fe01 &be0
142
143 /*
144 * [DPCM-Multi]: both FE / BE
145 * cpu5/cpu6/codec4/codec5
146 */
147 &fe10 &fe11 &be1
148
149 /*
150 * [Codec2Codec]: cpu side only
151 * codec6/codec7
152 */
153 &c2c
154
155 /*
156 * [Codec2Codec-Multi]: cpu side only
157 * codec8/codec9/codec10/codec11
158 */
159 &c2c_m
160 >;
161
162 multi {
163 ports@0 {
164 /* [Multi-CPU] */
165 mcpu0: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
166 port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
167 port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
168 };
169
170 /* [Multi-Codec] */
171 ports@1 {
172 port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
173 port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
174 port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
175 };
176
177 /* [DPCM-Multi]::BE */
178 ports@2 {
179 port@0 { mbe_ep: endpoint { remote-endpoint = <&be10_ep>; }; };
180 port@1 { mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; };
181 port@2 { mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; };
182 };
183
184 /* [Codec2Codec-Multi]::CPU */
185 ports@3 {
186 port@0 { mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; }; };
187 port@1 { mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; };
188 port@2 { mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; };
189 };
190
191 /* [Codec2Codec-Multi]::Codec */
192 ports@4 {
193 port@0 { mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; }; };
194 port@1 { mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; };
195 port@2 { mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; };
196 };
197 };
198
199 dpcm {
200 ports@0 {
201 /* [DPCM]::FE */
202 fe00: port@0 { fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; };
203 fe01: port@1 { fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; };
204
205 /* [DPCM-Multi]::FE */
206 fe10: port@2 { fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; };
207 fe11: port@3 { fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; };
208 };
209
210 ports@1 {
211 /* [DPCM]::BE */
212 be0: port@0 { be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; };
213
214 /* [DPCM-Multi]::BE */
215 be1: port@1 { be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; };
216 };
217 };
218
219 codec2codec {
220 /* [Codec2Codec] */
221 ports@0 {
222 /* use default settings */
223 c2c: port@0 { c2cf_ep: endpoint { remote-endpoint = <&codec6_ep>; }; };
224 port@1 { c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; };
225 };
226
227 /* [Codec2Codec-Multi] */
228 ports@1 {
229 /* use original settings */
230 rate = <48000>;
231 c2c_m: port@0 { c2cmf_ep: endpoint { remote-endpoint = <&mc2c0_ep>; }; };
232 port@1 { c2cmb_ep: endpoint { remote-endpoint = <&mc2c1_ep>; }; };
233 };
234 };
235 };
236
237 test_cpu {
238 /*
239 * update compatible to indicate more detail behaviour
240 * if you want. see test-compatible for more detail.
241 *
242 * ex)
243 * - compatible = "test-cpu";
244 * + compatible = "test-cpu-verbose";
245 */
246 compatible = "test-cpu";
247 ports {
248 bitclock-master;
249 frame-master;
250 /* [Normal] */
251 cpu0: port@0 { cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
252
253 /* [Multi-CPU] */
254 port@1 { cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
255 port@2 { cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
256
257 /* [DPCM]::FE */
258 port@3 { cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; };
259 port@4 { cpu4_ep: endpoint { remote-endpoint = <&fe01_ep>; }; };
260
261 /* [DPCM-Multi]::FE */
262 port@5 { cpu5_ep: endpoint { remote-endpoint = <&fe10_ep>; }; };
263 port@6 { cpu6_ep: endpoint { remote-endpoint = <&fe11_ep>; }; };
264 };
265 };
266
267 test_codec {
268 /*
269 * update compatible to indicate more detail behaviour
270 * if you want. see test-compatible for more detail.
271 *
272 * ex)
273 * - compatible = "test-codec";
274 * + compatible = "test-codec-verbose";
275 */
276 compatible = "test-codec";
277 ports {
278 /*
279 * prefix can be added to *component*,
280 * see audio-graph-card2::routing
281 */
282 prefix = "TC";
283
284 /* [Normal] */
285 port@0 { codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; };
286
287 /* [Multi-Codec] */
288 port@1 { codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; };
289 port@2 { codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; };
290
291 /* [DPCM]::BE */
292 port@3 {
293 convert-rate = <44100>;
294 codec3_ep: endpoint { remote-endpoint = <&be00_ep>; };
295 };
296
297 /* [DPCM-Multi]::BE */
298 port@4 { codec4_ep: endpoint { remote-endpoint = <&mbe1_ep>; }; };
299 port@5 { codec5_ep: endpoint { remote-endpoint = <&mbe2_ep>; }; };
300
301 /* [Codec2Codec] */
302 port@6 { bitclock-master;
303 frame-master;
304 codec6_ep: endpoint { remote-endpoint = <&c2cf_ep>; }; };
305 port@7 { codec7_ep: endpoint { remote-endpoint = <&c2cb_ep>; }; };
306
307 /* [Codec2Codec-Multi] */
308 port@8 { bitclock-master;
309 frame-master;
310 codec8_ep: endpoint { remote-endpoint = <&mc2c00_ep>; }; };
311 port@9 { codec9_ep: endpoint { remote-endpoint = <&mc2c01_ep>; }; };
312 port@10 { codec10_ep: endpoint { remote-endpoint = <&mc2c10_ep>; }; };
313 port@11 { codec11_ep: endpoint { remote-endpoint = <&mc2c11_ep>; }; };
314 };
315 };
316};