1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Device Tree for ULCB + Audio Graph Card2 (MIX + TDM Split) 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 sound_card: sound { 22 compatible = "audio-graph-card2"; 23 label = "snd-ulcb-mix"; 24 25 routing = "ak4613 Playback", "DAI0 Playback", 26 "ak4613 Playback", "DAI1 Playback", 27 "DAI0 Capture", "ak4613 Capture"; 28 29 links = <&fe_a /* (A) CPU0 */ 30 &fe_b /* (B) CPU1 */ 31 &be_x /* (X) ak4613 */ 32 >; 33 34 dpcm { 35 #address-cells = <1>; 36 #size-cells = <0>; 37 38 ports@0 { 39 #address-cells = <1>; 40 #size-cells = <0>; 41 reg = <0>; 42 /* 43 * FE 44 * (A) CPU0 (MIX-0) 45 * (B) CPU1 (MIX-1) 46 */ 47 fe_a: port@0 { reg = <0>; fe_a_ep: endpoint { remote-endpoint = <&rsnd_a_ep>; }; }; 48 fe_b: port@1 { reg = <1>; fe_b_ep: endpoint { remote-endpoint = <&rsnd_b_ep>; }; }; 49 }; 50 51 ports@1 { 52 reg = <1>; 53 /* 54 * BE 55 * (X) ak4613 56 */ 57 be_x: port { be_x_ep: endpoint { remote-endpoint = <&ak4613_x_ep>; }; }; 58 }; 59 }; 60 }; 61}; 62 63&ak4613 { 64 port { 65 /* 66 * (X) ak4613 67 */ 68 prefix = "ak4613"; 69 convert-rate = <48000>; 70 71 ak4613_x_ep: endpoint { 72 remote-endpoint = <&be_x_ep>; 73 }; 74 }; 75}; 76 77&rcar_sound { 78 #address-cells = <1>; 79 #size-cells = <0>; 80 81 ports@0 { 82 #address-cells = <1>; 83 #size-cells = <0>; 84 reg = <0>; 85 86 /* 87 * (A) CPU0 88 */ 89 port@0 { 90 reg = <0>; 91 rsnd_a_ep: endpoint { 92 remote-endpoint = <&fe_a_ep>; 93 bitclock-master; 94 frame-master; 95 playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>; 96 capture = <&ssi1 &src0 &dvc1>; 97 }; 98 }; 99 /* 100 * (B) CPU1 101 */ 102 port@1 { 103 reg = <1>; 104 rsnd_b_ep: endpoint { 105 remote-endpoint = <&fe_b_ep>; 106 bitclock-master; 107 frame-master; 108 playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>; 109 }; 110 }; 111 }; 112}; 113