diff --git a/arch/arm64/boot/dts/renesas/ulcb-audio-graph-card-mix+split.dtsi b/arch/arm64/boot/dts/renesas/ulcb-audio-graph-card-mix+split.dtsi
new file mode 100644
index 000000000000..88daded1975b
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/ulcb-audio-graph-card-mix+split.dtsi
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for ULCB + Audio Graph Card (MIX)
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/*
+ * Note:
+ * Because there is subdevice maximum, it will ignore HDMI output
+ *
+ *	(A) CPU0 (2ch) <-----> (2ch) (X) ak4613	(MIX-0)
+ *	(B) CPU1 (2ch)  --/			(MIX-1)
+ *
+ *	(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-scu-card";
+		label = "rcar-sound";
+
+		routing = "ak4613 Playback", "DAI0 Playback",
+			  "ak4613 Playback", "DAI1 Playback",
+			  "DAI0 Capture",    "ak4613 Capture";
+
+		dais = <&rsnd_port0 /* (A) CPU0 */
+			&rsnd_port1 /* (B) CPU1 */
+		>;
+	};
+};
+
+&ak4613 {
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		/*
+		 * (X) ak4613
+		 */
+		prefix = "ak4613";
+		convert-rate = <48000>;
+
+		/* (A) CPU0 <-> (X) ak4613 */
+		ak4613_ep1: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&rsnd_for_ak4613_1>;
+		};
+		/* (B) CPU1 <-> (X) ak4613 */
+		ak4613_ep2: endpoint@1 {
+			reg = <1>;
+			remote-endpoint = <&rsnd_for_ak4613_2>;
+		};
+	};
+};
+
+&rcar_sound {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		/*
+		 * (A) CPU0
+		 */
+		rsnd_port0: port@0 {
+			reg = <0>;
+			rsnd_for_ak4613_1: endpoint {
+				remote-endpoint = <&ak4613_ep1>;
+				bitclock-master;
+				frame-master;
+				playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>;
+				capture  = <&ssi1 &src0 &dvc1>;
+			};
+		};
+		/*
+		 * (B) CPU1
+		 */
+		rsnd_port1: port@1 {
+			reg = <1>;
+			rsnd_for_ak4613_2: endpoint {
+				remote-endpoint = <&ak4613_ep2>;
+				bitclock-master;
+				frame-master;
+				playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>;
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card-mix+split.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card-mix+split.dtsi
new file mode 100644
index 000000000000..4fb3ba08a585
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card-mix+split.dtsi
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for ULCB + Kingfisher + Audio Graph Card (MIX + TDM Split)
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/*
+ * Because it reach to subdevice maximum, it ignore HDMI
+ *
+ *	(A) CPU0 (2ch) <----> (2ch) (X) ak4613	   (MIX-0)
+ *	(B) CPU1 (2ch)  --/			   (MIX-1)
+ *	(C) CPU2 (2ch)  ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
+ *	(D) CPU3 (2ch)  --/			   (TDM-1 : 2,3ch)
+ *	(E) CPU4 (2ch)  --/			   (TDM-2 : 4,5ch)
+ *	(F) CPU5 (2ch)  --/			   (TDM-3 : 6,7ch)
+ *	(G) CPU6 (6ch) <----  (6ch) (Z) PCM3168A-c
+ *
+ *	(A) aplay   -D plughw:0,0 xxx.wav (MIX-0)
+ *	(B) aplay   -D plughw:0,1 xxx.wav (MIX-1)
+ *	(C) aplay   -D plughw:0,2 xxx.wav (TDM-0)
+ *	(D) aplay   -D plughw:0,3 xxx.wav (TDM-1)
+ *	(E) aplay   -D plughw:0,4 xxx.wav (TDM-2)
+ *	(F) aplay   -D plughw:0,5 xxx.wav (TDM-3)
+ *
+ *	(A) arecord -D plughw:0,0 xxx.wav
+ *	(G) arecord -D plughw:0,6 xxx.wav
+ */
+
+&sound_card {
+	routing = "ak4613 Playback",   "DAI0 Playback",
+		  "ak4613 Playback",   "DAI1 Playback",
+		  "DAI0 Capture",      "ak4613 Capture",
+		  "pcm3168a Playback", "DAI2 Playback",
+		  "pcm3168a Playback", "DAI3 Playback",
+		  "pcm3168a Playback", "DAI4 Playback",
+		  "pcm3168a Playback", "DAI5 Playback";
+
+	dais = <&rsnd_port0 /* (A) CPU0 */
+		&rsnd_port1 /* (B) CPU1 */
+		&rsnd_port2 /* (C) CPU2 */
+		&rsnd_port3 /* (D) CPU3 */
+		&rsnd_port4 /* (E) CPU4 */
+		&rsnd_port5 /* (F) CPU5 */
+		&rsnd_port6 /* (G) GPU6 */
+	>;
+};
+
+&pcm3168a {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		mclk-fs = <512>;
+
+		/*
+		 * (Y) PCM3168A-p
+		 */
+		port@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			prefix = "pcm3168a";
+			convert-channels = <8>; /* to 8ch TDM */
+
+			/* (C) CPU2 -> (Y) PCM3168A-p */
+			pcm3168a_endpoint_p1: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&rsnd_for_pcm3168a_play1>;
+				clocks = <&clksndsel>;
+			};
+			/* (D) CPU3 -> (Y) PCM3168A-p */
+			pcm3168a_endpoint_p2: endpoint@1 {
+				reg = <1>;
+				remote-endpoint = <&rsnd_for_pcm3168a_play2>;
+				clocks = <&clksndsel>;
+			};
+			/* (E) CPU4 -> (Y) PCM3168A-p */
+			pcm3168a_endpoint_p3: endpoint@2 {
+				reg = <2>;
+				remote-endpoint = <&rsnd_for_pcm3168a_play3>;
+				clocks = <&clksndsel>;
+			};
+			/* (F) CPU5 -> (Y) PCM3168A-p */
+			pcm3168a_endpoint_p4: endpoint@3 {
+				reg = <3>;
+				remote-endpoint = <&rsnd_for_pcm3168a_play4>;
+				clocks = <&clksndsel>;
+			};
+		};
+		/*
+		 * (Z) PCM3168A-c
+		 */
+		port@1 {
+			reg = <1>;
+			/* (G) CPU6 <-> PCM3168A-c */
+			pcm3168a_endpoint_c: endpoint {
+				remote-endpoint = <&rsnd_for_pcm3168a_capture>;
+				clocks = <&clksndsel>;
+			};
+		};
+	};
+};
+
+&rcar_sound {
+	ports {
+		/* rsnd_port0-1 are defined in ulcb.dtsi */
+
+		/*
+		 * (C) CPU2
+		 */
+		rsnd_port2: port@2 {
+			reg = <2>;
+			rsnd_for_pcm3168a_play1: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_p1>;
+				bitclock-master;
+				frame-master;
+				playback = <&ssiu30 &ssi3>;
+			};
+		};
+		/*
+		 * (D) CPU3
+		 */
+		rsnd_port3: port@3 {
+			reg = <3>;
+			rsnd_for_pcm3168a_play2: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_p2>;
+				bitclock-master;
+				frame-master;
+				playback = <&ssiu31 &ssi3>;
+			};
+		};
+		/*
+		 * (E) CPU4
+		 */
+		rsnd_port4: port@4 {
+			reg = <4>;
+			rsnd_for_pcm3168a_play3: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_p3>;
+				bitclock-master;
+				frame-master;
+				playback = <&ssiu32 &ssi3>;
+			};
+		};
+		/*
+		 * (F) CPU5
+		 */
+		rsnd_port5: port@5 {
+			reg = <5>;
+			rsnd_for_pcm3168a_play4: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_p4>;
+				bitclock-master;
+				frame-master;
+				playback = <&ssiu33 &ssi3>;
+			};
+		};
+		/*
+		 * (G) CPU6
+		 */
+		rsnd_port6: port@6 {
+			reg = <6>;
+			rsnd_for_pcm3168a_capture: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_c>;
+				bitclock-master;
+				frame-master;
+				dai-tdm-slot-num = <6>;
+				capture  = <&ssi4>;
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 25098efd6b89..08242d3dee3f 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -449,6 +449,7 @@ &xhci0 {
  *
  * #include "ulcb-kf-simple-audio-card.dtsi"
  * #include "ulcb-kf-audio-graph-card.dtsi"
+ * #include "ulcb-kf-audio-graph-card-mix+split.dtsi"
  * #include "ulcb-kf-audio-graph-card2-mix+split.dtsi"
  */
 #include "ulcb-kf-audio-graph-card2.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index bb93ba4ff946..172d065d70bb 100644
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -495,6 +495,7 @@ &usb2_phy1 {
  *
  * #include "ulcb-simple-audio-card.dtsi"
  * #include "ulcb-audio-graph-card.dtsi"
+ * #include "ulcb-audio-graph-card-mix+split.dtsi"
  * #include "ulcb-audio-graph-card2-mix+split.dtsi"
  */
 #include "ulcb-audio-graph-card2.dtsi"
