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