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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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35a1c35e0a
Current ulcb/kf of -mix+split.dtsi is using TDM Split Mode, but only for playback. Use TDM Split Mode on capture too. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/875xlrshp5.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
224 lines
4.9 KiB
Plaintext
224 lines
4.9 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree for ULCB + Kingfisher + Audio Graph Card (MIX + TDM Split)
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*
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* Copyright (C) 2022 Renesas Electronics Corp.
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*/
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/*
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* Note:
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* The HDMI output is ignored due to the limited number of subdevices
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*
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* (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0)
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* (B) CPU1 (2ch) --/ (MIX-1)
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* (C) CPU2 (2ch) ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
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* (D) CPU3 (2ch) --/ (TDM-1 : 2,3ch)
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* (E) CPU4 (2ch) --/ (TDM-2 : 4,5ch)
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* (F) CPU5 (2ch) --/ (TDM-3 : 6,7ch)
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* (G) CPU6 (2ch) <---- (6ch) (Z) PCM3168A-c (TDM-a: 0,1ch)
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* (H) CPU7 (2ch) <--/ (TDM-b: 2,3ch)
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* (I) CPU8 (2ch) <--/ (TDM-c: 4,5ch)
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*
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* (A) aplay -D plughw:0,0 xxx.wav (MIX-0)
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* (B) aplay -D plughw:0,1 xxx.wav (MIX-1)
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* (C) aplay -D plughw:1,0 xxx.wav (TDM-0)
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* (D) aplay -D plughw:1,1 xxx.wav (TDM-1)
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* (E) aplay -D plughw:1,2 xxx.wav (TDM-2)
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* (F) aplay -D plughw:1,3 xxx.wav (TDM-3)
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*
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* (A) arecord -D plughw:0,0 xxx.wav
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* (G) arecord -D plughw:1,4 xxx.wav (TDM-a)
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* (H) arecord -D plughw:1,5 xxx.wav (TDM-b)
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* (I) arecord -D plughw:1,6 xxx.wav (TDM-c)
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*/
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/ {
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sound_card_kf: expand-sound {
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compatible = "audio-graph-scu-card";
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label = "snd-kf-split";
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routing = "pcm3168a Playback", "DAI2 Playback",
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"pcm3168a Playback", "DAI3 Playback",
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"pcm3168a Playback", "DAI4 Playback",
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"pcm3168a Playback", "DAI5 Playback",
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"DAI6 Capture", "pcm3168a Capture",
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"DAI7 Capture", "pcm3168a Capture",
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"DAI8 Capture", "pcm3168a Capture";
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dais = <&snd_kf1 /* (C) CPU2 */
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&snd_kf2 /* (D) CPU3 */
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&snd_kf3 /* (E) CPU4 */
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&snd_kf4 /* (F) CPU5 */
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&snd_kf5 /* (G) CPU6 */
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&snd_kf6 /* (H) CPU7 */
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&snd_kf7 /* (I) CPU8 */
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>;
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};
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};
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&pcm3168a {
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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mclk-fs = <512>;
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prefix = "pcm3168a";
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/*
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* (Y) PCM3168A-p
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*/
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port@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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convert-channels = <8>; /* to 8ch TDM */
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/* (C) CPU2 -> (Y) PCM3168A-p */
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pcm3168a_endpoint_p1: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&rsnd_for_pcm3168a_play1>;
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clocks = <&clksndsel>;
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};
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/* (D) CPU3 -> (Y) PCM3168A-p */
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pcm3168a_endpoint_p2: endpoint@1 {
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reg = <1>;
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remote-endpoint = <&rsnd_for_pcm3168a_play2>;
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clocks = <&clksndsel>;
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};
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/* (E) CPU4 -> (Y) PCM3168A-p */
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pcm3168a_endpoint_p3: endpoint@2 {
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reg = <2>;
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remote-endpoint = <&rsnd_for_pcm3168a_play3>;
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clocks = <&clksndsel>;
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};
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/* (F) CPU5 -> (Y) PCM3168A-p */
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pcm3168a_endpoint_p4: endpoint@3 {
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reg = <3>;
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remote-endpoint = <&rsnd_for_pcm3168a_play4>;
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clocks = <&clksndsel>;
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};
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};
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/*
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* (Z) PCM3168A-c
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*/
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port@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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convert-channels = <6>; /* to 6ch TDM */
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/* (G) CPU6 <- PCM3168A-c */
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pcm3168a_endpoint_c1: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&rsnd_for_pcm3168a_capture1>;
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clocks = <&clksndsel>;
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};
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/* (H) CPU7 <- PCM3168A-c */
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pcm3168a_endpoint_c2: endpoint@1 {
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reg = <1>;
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remote-endpoint = <&rsnd_for_pcm3168a_capture2>;
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clocks = <&clksndsel>;
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};
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/* (I) CPU8 <- PCM3168A-c */
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pcm3168a_endpoint_c3: endpoint@2 {
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reg = <2>;
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remote-endpoint = <&rsnd_for_pcm3168a_capture3>;
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clocks = <&clksndsel>;
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};
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};
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};
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};
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&rcar_sound {
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ports@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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/*
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* (C) CPU2
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*/
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snd_kf1: port@2 {
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reg = <2>;
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rsnd_for_pcm3168a_play1: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_p1>;
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bitclock-master;
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frame-master;
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playback = <&ssiu30 &ssi3>;
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};
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};
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/*
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* (D) CPU3
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*/
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snd_kf2: port@3 {
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reg = <3>;
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rsnd_for_pcm3168a_play2: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_p2>;
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bitclock-master;
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frame-master;
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playback = <&ssiu31 &ssi3>;
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};
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};
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/*
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* (E) CPU4
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*/
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snd_kf3: port@4 {
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reg = <4>;
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rsnd_for_pcm3168a_play3: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_p3>;
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bitclock-master;
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frame-master;
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playback = <&ssiu32 &ssi3>;
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};
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};
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/*
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* (F) CPU5
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*/
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snd_kf4: port@5 {
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reg = <5>;
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rsnd_for_pcm3168a_play4: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_p4>;
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bitclock-master;
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frame-master;
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playback = <&ssiu33 &ssi3>;
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};
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};
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/*
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* (G) CPU6
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*/
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snd_kf5: port@6 {
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reg = <6>;
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rsnd_for_pcm3168a_capture1: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_c1>;
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bitclock-master;
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frame-master;
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capture = <&ssiu40 &ssi4>;
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};
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};
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/*
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* (H) CPU7
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*/
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snd_kf6: port@7 {
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reg = <7>;
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rsnd_for_pcm3168a_capture2: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_c2>;
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bitclock-master;
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frame-master;
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capture = <&ssiu41 &ssi4>;
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};
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};
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/*
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* (I) CPU8
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*/
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snd_kf7: port@8 {
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reg = <8>;
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rsnd_for_pcm3168a_capture3: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_c3>;
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bitclock-master;
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frame-master;
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capture = <&ssiu42 &ssi4>;
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};
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};
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};
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};
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