| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Device Tree for ULCB + Simple Audio Card (MIXer) |
| * |
| * Copyright (C) 2022 Renesas Electronics Corp. |
| */ |
| |
| /* |
| * Note: |
| * The HDMI output is ignored due to the limited number of subdevices |
| * |
| * (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0) |
| * (B) CPU1 (2ch) --/ (MIX-1) |
| * |
| * (A) aplay -D plughw:0,0 xxx.wav |
| * (B) aplay -D plughw:0,1 xxx.wav |
| * |
| * (A) arecord -D plughw:0,0 xxx.wav |
| */ |
| |
| / { |
| sound_card: sound { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| compatible = "simple-scu-audio-card"; |
| label = "rcar-sound"; |
| |
| simple-audio-card,prefix = "ak4613"; |
| simple-audio-card,routing = "ak4613 Playback", "DAI0 Playback", |
| "ak4613 Playback", "DAI1 Playback", |
| "DAI0 Capture", "ak4613 Capture"; |
| |
| simple-audio-card,dai-link@0 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| reg = <0>; |
| convert-rate = <48000>; |
| |
| /* |
| * (A) CPU0 |
| */ |
| cpu@0 { |
| reg = <0>; |
| bitclock-master; |
| frame-master; |
| sound-dai = <&rcar_sound 0>; |
| }; |
| /* |
| * (B) CPU1 |
| */ |
| cpu@1 { |
| reg = <1>; |
| sound-dai = <&rcar_sound 1>; |
| }; |
| /* |
| * (X) ak4613 |
| */ |
| codec { |
| prefix = "ak4613"; |
| sound-dai = <&ak4613>; |
| }; |
| }; |
| }; |
| }; |
| |
| &ak4613 { |
| /* |
| * (X) ak4613 |
| */ |
| #sound-dai-cells = <0>; |
| }; |
| |
| &rcar_sound { |
| #sound-dai-cells = <1>; |
| |
| rcar_sound,dai { |
| /* |
| * (A) CPU0 |
| */ |
| dai0 { |
| playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>; |
| capture = <&ssi1 &src0 &dvc1>; |
| }; |
| /* |
| * (B) CPU1 |
| */ |
| dai1 { |
| playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>; |
| }; |
| }; |
| }; |
