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c9d95cf0 KM |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Device Tree for ULCB + Simple Audio Card (MIXer) | |
4 | * | |
5 | * Copyright (C) 2022 Renesas Electronics Corp. | |
6 | */ | |
7 | ||
8 | /* | |
9 | * Note: | |
10 | * The HDMI output is ignored due to the limited number of subdevices | |
11 | * | |
12 | * (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0) | |
13 | * (B) CPU1 (2ch) --/ (MIX-1) | |
14 | * | |
15 | * (A) aplay -D plughw:0,0 xxx.wav | |
16 | * (B) aplay -D plughw:0,1 xxx.wav | |
17 | * | |
18 | * (A) arecord -D plughw:0,0 xxx.wav | |
19 | */ | |
20 | ||
21 | / { | |
22 | sound_card: sound { | |
23 | #address-cells = <1>; | |
24 | #size-cells = <0>; | |
25 | ||
26 | compatible = "simple-scu-audio-card"; | |
d70be079 | 27 | label = "snd-ulcb-mix"; |
c9d95cf0 KM |
28 | |
29 | simple-audio-card,prefix = "ak4613"; | |
30 | simple-audio-card,routing = "ak4613 Playback", "DAI0 Playback", | |
31 | "ak4613 Playback", "DAI1 Playback", | |
32 | "DAI0 Capture", "ak4613 Capture"; | |
33 | ||
34 | simple-audio-card,dai-link@0 { | |
35 | #address-cells = <1>; | |
36 | #size-cells = <0>; | |
37 | reg = <0>; | |
38 | convert-rate = <48000>; | |
39 | ||
40 | /* | |
41 | * (A) CPU0 | |
42 | */ | |
43 | cpu@0 { | |
44 | reg = <0>; | |
45 | bitclock-master; | |
46 | frame-master; | |
47 | sound-dai = <&rcar_sound 0>; | |
48 | }; | |
49 | /* | |
50 | * (B) CPU1 | |
51 | */ | |
52 | cpu@1 { | |
53 | reg = <1>; | |
54 | sound-dai = <&rcar_sound 1>; | |
55 | }; | |
56 | /* | |
57 | * (X) ak4613 | |
58 | */ | |
59 | codec { | |
60 | prefix = "ak4613"; | |
61 | sound-dai = <&ak4613>; | |
62 | }; | |
63 | }; | |
64 | }; | |
65 | }; | |
66 | ||
67 | &ak4613 { | |
68 | /* | |
69 | * (X) ak4613 | |
70 | */ | |
71 | #sound-dai-cells = <0>; | |
72 | }; | |
73 | ||
74 | &rcar_sound { | |
d70be079 KM |
75 | #address-cells = <1>; |
76 | #size-cells = <0>; | |
c9d95cf0 KM |
77 | #sound-dai-cells = <1>; |
78 | ||
d70be079 KM |
79 | rcar_sound,dai@0 { |
80 | reg = <0>; | |
81 | ||
c9d95cf0 KM |
82 | /* |
83 | * (A) CPU0 | |
84 | */ | |
85 | dai0 { | |
86 | playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>; | |
87 | capture = <&ssi1 &src0 &dvc1>; | |
88 | }; | |
89 | /* | |
90 | * (B) CPU1 | |
91 | */ | |
92 | dai1 { | |
93 | playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>; | |
94 | }; | |
95 | }; | |
96 | }; |