ASoC: audio-graph-card: merge audio-graph-scu-card on Doc
audio-graph-card and audio-graph-scu-card are very similar driver, but the former is supporting normal sound card, the latter is supporting DPCM sound card. We couldn't use normal sound and DPCM sound in same sound card by audio-graph-card. This patch merges both feature into it on Documentation. Now we can use both feature on same driver. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Kuninori Morimoto
Mark Brown
parent
b8b89f5ee0
commit
91a531e48b
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@ -32,7 +32,9 @@ Required properties:
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Optional properties:
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- pa-gpios: GPIO used to control external amplifier.
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-----------------------
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Example: Single DAI case
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-----------------------
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sound_card {
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compatible = "audio-graph-card";
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@ -61,7 +63,9 @@ Example: Single DAI case
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};
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};
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-----------------------
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Example: Multi DAI case
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-----------------------
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sound-card {
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compatible = "audio-graph-card";
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@ -130,3 +134,204 @@ Example: Multi DAI case
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};
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};
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-----------------------
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Example: Sampling Rate Conversion
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-----------------------
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sound_card {
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compatible = "audio-graph-card";
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label = "sound-card";
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prefix = "codec";
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routing = "codec Playback", "DAI0 Playback",
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"DAI0 Capture", "codec Capture";
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convert-rate = <48000>;
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dais = <&cpu_port>;
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};
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audio-codec {
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...
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port {
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codec_endpoint: endpoint {
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remote-endpoint = <&cpu_endpoint>;
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};
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};
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};
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dai-controller {
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...
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cpu_port: port {
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cpu_endpoint: endpoint {
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remote-endpoint = <&codec_endpoint>;
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dai-format = "left_j";
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...
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};
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};
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};
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-----------------------
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Example: 2 CPU 1 Codec (Mixing)
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-----------------------
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sound_card {
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compatible = "audio-graph-card";
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label = "sound-card";
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routing = "codec Playback", "DAI0 Playback",
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"codec Playback", "DAI1 Playback",
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"DAI0 Capture", "codec Capture";
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dais = <&cpu_port>;
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};
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audio-codec {
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...
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audio-graph-card,prefix = "codec";
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audio-graph-card,convert-rate = <48000>;
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port {
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reg = <0>;
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codec_endpoint0: endpoint@0 {
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remote-endpoint = <&cpu_endpoint0>;
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};
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codec_endpoint1: endpoint@1 {
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remote-endpoint = <&cpu_endpoint1>;
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};
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};
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};
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dai-controller {
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...
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cpu_port: port {
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cpu_endpoint0: endpoint@0 {
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remote-endpoint = <&codec_endpoint0>;
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dai-format = "left_j";
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...
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};
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cpu_endpoint1: endpoint@1 {
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remote-endpoint = <&codec_endpoint1>;
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dai-format = "left_j";
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...
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};
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};
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};
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-----------------------
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Example: Multi DAI with DPCM
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-----------------------
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CPU0 ------ ak4613
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CPU1 ------ HDMI
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CPU2 ------ PCM3168A-p /* DPCM 1ch/2ch */
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CPU3 --/ /* DPCM 3ch/4ch */
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CPU4 --/ /* DPCM 5ch/6ch */
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CPU5 --/ /* DPCM 7ch/8ch */
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CPU6 ------ PCM3168A-c
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sound_card: sound {
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compatible = "audio-graph-card";
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label = "sound-card";
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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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dais = <&snd_port0 /* ak4613 */
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&snd_port1 /* HDMI0 */
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&snd_port2 /* pcm3168a playback */
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&snd_port3 /* pcm3168a capture */
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>;
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};
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ak4613: codec@10 {
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...
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port {
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ak4613_endpoint: endpoint {
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remote-endpoint = <&rsnd_endpoint0>;
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};
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};
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};
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pcm3168a: audio-codec@44 {
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...
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audio-graph-card,prefix = "pcm3168a";
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audio-graph-card,convert-channels = <8>; /* TDM Split */
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ports {
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port@0 {
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reg = <0>;
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pcm3168a_endpoint_p1: endpoint@1 {
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remote-endpoint = <&rsnd_endpoint2>;
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...
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};
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pcm3168a_endpoint_p2: endpoint@2 {
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remote-endpoint = <&rsnd_endpoint3>;
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...
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};
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pcm3168a_endpoint_p3: endpoint@3 {
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remote-endpoint = <&rsnd_endpoint4>;
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...
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};
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pcm3168a_endpoint_p4: endpoint@4 {
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remote-endpoint = <&rsnd_endpoint5>;
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...
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};
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};
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port@1 {
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reg = <1>;
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pcm3168a_endpoint_c: endpoint {
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remote-endpoint = <&rsnd_endpoint6>;
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...
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};
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};
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};
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};
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&sound {
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ports {
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snd_port0: port@0 {
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rsnd_endpoint0: endpoint {
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remote-endpoint = <&ak4613_endpoint>;
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...
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};
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};
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snd_port1: port@1 {
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rsnd_endpoint1: endpoint {
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remote-endpoint = <&dw_hdmi0_snd_in>;
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...
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};
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};
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snd_port2: port@2 {
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#address-cells = <1>;
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#size-cells = <0>;
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rsnd_endpoint2: endpoint@2 {
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remote-endpoint = <&pcm3168a_endpoint_p1>;
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...
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};
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rsnd_endpoint3: endpoint@3 {
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remote-endpoint = <&pcm3168a_endpoint_p2>;
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...
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};
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rsnd_endpoint4: endpoint@4 {
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remote-endpoint = <&pcm3168a_endpoint_p3>;
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...
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};
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rsnd_endpoint5: endpoint@5 {
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remote-endpoint = <&pcm3168a_endpoint_p4>;
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...
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};
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};
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snd_port3: port@6 {
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rsnd_endpoint6: endpoint {
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remote-endpoint = <&pcm3168a_endpoint_c>;
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...
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};
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};
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};
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};
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