arm64: dts: renesas: ulcb/ulcb-kf: switch to use audio-graph-card2 for sound

Current ULCB{-KF} are using audio-graph-card.
Now ALSA is supporting new audio-graph-card2 which can easily handle
more advanced feature. Let's switch to use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20220124021142.224592-2-kuninori.morimoto.gx@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/ulcb-kf.dtsi

@@ -419,12 +419,9 @@ rsnd_port2: port@2 {
 			reg = <2>;
 			rsnd_for_pcm3168a_play: endpoint {
 				remote-endpoint = <&pcm3168a_endpoint_p>;
-
-				dai-format = "i2s";
-				bitclock-master = <&rsnd_for_pcm3168a_play>;
-				frame-master = <&rsnd_for_pcm3168a_play>;
+				bitclock-master;
+				frame-master;
 				dai-tdm-slot-num = <8>;
-
 				playback = <&ssi3>;
 			};
 		};
@@ -432,12 +429,9 @@ rsnd_port3: port@3 {
 			reg = <3>;
 			rsnd_for_pcm3168a_capture: endpoint {
 				remote-endpoint = <&pcm3168a_endpoint_c>;
-
-				dai-format = "i2s";
-				bitclock-master = <&rsnd_for_pcm3168a_capture>;
-				frame-master = <&rsnd_for_pcm3168a_capture>;
+				bitclock-master;
+				frame-master;
 				dai-tdm-slot-num = <6>;
-
 				capture  = <&ssi4>;
 			};
 		};
@@ -477,7 +471,7 @@ wlcore: wlcore@2 {
 };
 
 &sound_card {
-	dais = <&rsnd_port0	/* ak4613 */
+	links = <&rsnd_port0	/* ak4613 */
 		 &rsnd_port1	/* HDMI0  */
 		 &rsnd_port2	/* pcm3168a playback */
 		 &rsnd_port3	/* pcm3168a capture  */

arch/arm64/boot/dts/renesas/ulcb.dtsi

@@ -95,10 +95,10 @@ reg_3p3v: regulator1 {
 	};
 
 	sound_card: sound {
-		compatible = "audio-graph-card";
+		compatible = "audio-graph-card2";
 		label = "rcar-sound";
 
-		dais = <&rsnd_port0	/* ak4613 */
+		links = <&rsnd_port0	/* ak4613 */
 			 &rsnd_port1	/* HDMI0  */
 			>;
 	};
@@ -408,11 +408,8 @@ rsnd_port0: port@0 {
 			reg = <0>;
 			rsnd_for_ak4613: endpoint {
 				remote-endpoint = <&ak4613_endpoint>;
-
-				dai-format = "left_j";
-				bitclock-master = <&rsnd_for_ak4613>;
-				frame-master = <&rsnd_for_ak4613>;
-
+				bitclock-master;
+				frame-master;
 				playback = <&ssi0>, <&src0>, <&dvc0>;
 				capture  = <&ssi1>, <&src1>, <&dvc1>;
 			};
@@ -421,11 +418,8 @@ rsnd_port1: port@1 {
 			reg = <1>;
 			rsnd_for_hdmi: endpoint {
 				remote-endpoint = <&dw_hdmi0_snd_in>;
-
-				dai-format = "i2s";
-				bitclock-master = <&rsnd_for_hdmi>;
-				frame-master = <&rsnd_for_hdmi>;
-
+				bitclock-master;
+				frame-master;
 				playback = <&ssi2>;
 			};
 		};