u-boot/arch/arm/dts/ulcb-audio-graph-card.dtsi
Marek Vasut f984d3889c ARM: dts: renesas: Synchronize R-Car R8A77951 H3 DTs with Linux 6.5.3
Synchronize R-Car R8A77951 H3 DTs with Linux 6.5.3,
commit 238589d0f7b421aae18c5704dc931595019fa6c7 .

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
2023-10-01 00:08:29 +02:00

85 lines
1.4 KiB
Text

// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for ULCB + Audio Graph Card
*
* Copyright (C) 2022 Renesas Electronics Corp.
*/
/*
* (A) CPU0 <-----> ak4613
* (B) CPU1 -----> HDMI
*
* (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 {
compatible = "audio-graph-card";
label = "rcar-sound";
dais = <&rsnd_port0 /* (A) CPU0 <-> ak4613 */
&rsnd_port1 /* (B) CPU1 -> HDMI */
>;
};
};
&ak4613 {
#sound-dai-cells = <0>;
port {
/*
* (A) CPU0 <-> ak4613
*/
ak4613_endpoint: endpoint {
remote-endpoint = <&rsnd_for_ak4613>;
};
};
};
&hdmi0 {
ports {
port@2 {
/*
* (B) CPU1 -> HDMI
*/
dw_hdmi0_snd_in: endpoint {
remote-endpoint = <&rsnd_for_hdmi>;
};
};
};
};
&rcar_sound {
ports {
#address-cells = <1>;
#size-cells = <0>;
rsnd_port0: port@0 {
/*
* (A) CPU0 <-> ak4613
*/
reg = <0>;
rsnd_for_ak4613: endpoint {
remote-endpoint = <&ak4613_endpoint>;
bitclock-master;
frame-master;
playback = <&ssi0>, <&src0>, <&dvc0>;
capture = <&ssi1>, <&src1>, <&dvc1>;
};
};
rsnd_port1: port@1 {
/*
* (B) CPU1 -> HDMI
*/
reg = <1>;
rsnd_for_hdmi: endpoint {
remote-endpoint = <&dw_hdmi0_snd_in>;
bitclock-master;
frame-master;
playback = <&ssi2>;
};
};
};
};