1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
2 /**
3 * Audio playback via HDMI for AM625-SK and AM62-LP SK.
4 *
5 * Links:
6 * AM625 SK: https://www.ti.com/tool/SK-AM62
7 * AM62-LP SK: https://www.ti.com/tool/SK-AM62-LP
8 *
9 * Copyright (C) 2023-2024 Texas Instruments Incorporated - https://www.ti.com/
10 */
11
12 /dts-v1/;
13 /plugin/;
14
15 &{/} {
16 hdmi_audio: sound-sii9022 {
17 compatible = "simple-audio-card";
18 simple-audio-card,name = "AM62x-Sil9022-HDMI";
19 simple-audio-card,format = "i2s";
20 simple-audio-card,bitclock-master = <&hdmi_dailink_master>;
21 simple-audio-card,frame-master = <&hdmi_dailink_master>;
22
23 hdmi_dailink_master: simple-audio-card,cpu {
24 sound-dai = <&mcasp1>;
25 system-clock-direction-out;
26 };
27
28 simple-audio-card,codec {
29 sound-dai = <&sii9022>;
30 };
31 };
32 };
33
34 &mcasp1 {
35 auxclk-fs-ratio = <2177>;
36 };
37
38 &codec_audio {
39 status = "disabled";
40 };
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