ASoC: rsnd: add missing DT example for Simple Card

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
index 59cebfbd7b6a..bb9f33405d29 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
@@ -249,3 +249,43 @@ rcar_sound: sound@ec500000 {
                 };
         };
 };
+
+Example: simple sound card
+
+        rsnd_ak4643: sound {
+                compatible = "simple-audio-card";
+
+                simple-audio-card,format = "left_j";
+                simple-audio-card,bitclock-master = <&sndcodec>;
+                simple-audio-card,frame-master = <&sndcodec>;
+
+                sndcpu: simple-audio-card,cpu {
+                        sound-dai = <&rcar_sound>;
+                };
+
+                sndcodec: simple-audio-card,codec {
+                        sound-dai = <&ak4643>;
+                        clocks = <&audio_clock>;
+                };
+        };
+
+&rcar_sound {
+        pinctrl-0 = <&sound_pins &sound_clk_pins>;
+        pinctrl-names = "default";
+
+        /* Single DAI */
+        #sound-dai-cells = <0>;
+
+        status = "okay";
+
+        rcar_sound,dai {
+                dai0 {
+                        playback = <&ssi0 &src2 &dvc0>;
+                        capture  = <&ssi1 &src3 &dvc1>;
+                };
+        };
+};
+
+&ssi1 {
+        shared-pin;
+};