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
index 8ae6af1af0949..4caa0281a687e 100644
--- 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
@@ -15,7 +15,9 @@
  *	(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
+ *	(G) CPU6 (2ch) <----  (6ch) (Z) PCM3168A-c (TDM-a: 0,1ch)
+ *	(H) CPU7 (2ch) <--/			   (TDM-b: 2,3ch)
+ *	(I) CPU8 (2ch) <--/			   (TDM-c: 4,5ch)
  *
  *	(A) aplay   -D plughw:0,0 xxx.wav (MIX-0)
  *	(B) aplay   -D plughw:0,1 xxx.wav (MIX-1)
@@ -25,7 +27,9 @@
  *	(F) aplay   -D plughw:1,3 xxx.wav (TDM-3)
  *
  *	(A) arecord -D plughw:0,0 xxx.wav
- *	(G) arecord -D plughw:1,4 xxx.wav
+ *	(G) arecord -D plughw:1,4 xxx.wav (TDM-a)
+ *	(H) arecord -D plughw:1,5 xxx.wav (TDM-b)
+ *	(I) arecord -D plughw:1,6 xxx.wav (TDM-c)
  */
 / {
 	sound_card_kf: expand-sound {
@@ -35,13 +39,18 @@ sound_card_kf: expand-sound {
 		routing = "pcm3168a Playback", "DAI2 Playback",
 			  "pcm3168a Playback", "DAI3 Playback",
 			  "pcm3168a Playback", "DAI4 Playback",
-			  "pcm3168a Playback", "DAI5 Playback";
+			  "pcm3168a Playback", "DAI5 Playback",
+			  "DAI6 Capture", "pcm3168a Capture",
+			  "DAI7 Capture", "pcm3168a Capture",
+			  "DAI8 Capture", "pcm3168a Capture";
 
 		dais = <&snd_kf1 /* (C) CPU2 */
 			&snd_kf2 /* (D) CPU3 */
 			&snd_kf3 /* (E) CPU4 */
 			&snd_kf4 /* (F) CPU5 */
-			&snd_kf5 /* (G) GPU6 */
+			&snd_kf5 /* (G) CPU6 */
+			&snd_kf6 /* (H) CPU7 */
+			&snd_kf7 /* (I) CPU8 */
 		>;
 	};
 };
@@ -50,7 +59,9 @@ &pcm3168a {
 	ports {
 		#address-cells = <1>;
 		#size-cells = <0>;
+
 		mclk-fs = <512>;
+		prefix = "pcm3168a";
 
 		/*
 		 * (Y) PCM3168A-p
@@ -59,7 +70,6 @@ port@0 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0>;
-			prefix = "pcm3168a";
 			convert-channels = <8>; /* to 8ch TDM */
 
 			/* (C) CPU2 -> (Y) PCM3168A-p */
@@ -91,10 +101,28 @@ pcm3168a_endpoint_p4: endpoint@3 {
 		 * (Z) PCM3168A-c
 		 */
 		port@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			reg = <1>;
+
+			convert-channels = <6>; /* to 6ch TDM */
+
 			/* (G) CPU6 <- PCM3168A-c */
-			pcm3168a_endpoint_c: endpoint {
-				remote-endpoint = <&rsnd_for_pcm3168a_capture>;
+			pcm3168a_endpoint_c1: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&rsnd_for_pcm3168a_capture1>;
+				clocks = <&clksndsel>;
+			};
+			/* (H) CPU7 <- PCM3168A-c */
+			pcm3168a_endpoint_c2: endpoint@1 {
+				reg = <1>;
+				remote-endpoint = <&rsnd_for_pcm3168a_capture2>;
+				clocks = <&clksndsel>;
+			};
+			/* (I) CPU8 <- PCM3168A-c */
+			pcm3168a_endpoint_c3: endpoint@2 {
+				reg = <2>;
+				remote-endpoint = <&rsnd_for_pcm3168a_capture3>;
 				clocks = <&clksndsel>;
 			};
 		};
@@ -160,12 +188,35 @@ rsnd_for_pcm3168a_play4: endpoint {
 		 */
 		snd_kf5: port@6 {
 			reg = <6>;
-			rsnd_for_pcm3168a_capture: endpoint {
-				remote-endpoint = <&pcm3168a_endpoint_c>;
+			rsnd_for_pcm3168a_capture1: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_c1>;
+				bitclock-master;
+				frame-master;
+				capture = <&ssiu40 &ssi4>;
+			};
+		};
+		/*
+		 * (H) CPU7
+		 */
+		snd_kf6: port@7 {
+			reg = <7>;
+			rsnd_for_pcm3168a_capture2: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_c2>;
+				bitclock-master;
+				frame-master;
+				capture = <&ssiu41 &ssi4>;
+			};
+		};
+		/*
+		 * (I) CPU8
+		 */
+		snd_kf7: port@8 {
+			reg = <8>;
+			rsnd_for_pcm3168a_capture3: endpoint {
+				remote-endpoint = <&pcm3168a_endpoint_c3>;
 				bitclock-master;
 				frame-master;
-				dai-tdm-slot-num = <6>;
-				capture  = <&ssi4>;
+				capture = <&ssiu42 &ssi4>;
 			};
 		};
 	};
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2-mix+split.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2-mix+split.dtsi
index 4cf632bc46215..67a0057a3383d 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2-mix+split.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2-mix+split.dtsi
@@ -15,7 +15,9 @@
  *	(D) CPU2 (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
+ *	(G) CPU6 (2ch) <----  (6ch) (Z) PCM3168A-c (TDM-a: 0,1ch)
+ *	(H) CPU7 (2ch) <--/			   (TDM-b: 2,3ch)
+ *	(I) CPU8 (2ch) <--/			   (TDM-c: 4,5ch)
  *
  *	(A) aplay   -D plughw:0,0 xxx.wav (MIX-0)
  *	(B) aplay   -D plughw:0,1 xxx.wav (MIX-1)
@@ -25,7 +27,9 @@
  *	(F) aplay   -D plughw:1,3 xxx.wav (TDM-3)
  *
  *	(A) arecord -D plughw:0,0 xxx.wav
- *	(G) arecord -D plughw:1,4 xxx.wav
+ *	(G) arecord -D plughw:1,4 xxx.wav (TDM-a)
+ *	(H) arecord -D plughw:1,5 xxx.wav (TDM-b)
+ *	(I) arecord -D plughw:1,6 xxx.wav (TDM-c)
  */
 / {
 	sound_card_kf: expand-sound {
@@ -36,19 +40,25 @@ sound_card_kf: expand-sound {
 			  "pcm3168a Playback", "DAI3 Playback",
 			  "pcm3168a Playback", "DAI4 Playback",
 			  "pcm3168a Playback", "DAI5 Playback",
-			  "DAI6 Capture",      "pcm3168a Capture";
+			  "DAI6 Capture",      "pcm3168a Capture",
+			  "DAI7 Capture",      "pcm3168a Capture",
+			  "DAI8 Capture",      "pcm3168a Capture";
 
 		links = <&fe_c		/* (C) CPU2	  */
 			 &fe_d		/* (D) CPU3	  */
 			 &fe_e		/* (E) CPU4	  */
 			 &fe_f		/* (F) CPU5	  */
-			 &rsnd_g	/* (G) CPU6	  */
+			 &fe_g		/* (G) CPU6	  */
+			 &fe_h		/* (H) CPU7	  */
+			 &fe_i		/* (I) CPU8	  */
 			 &be_y		/* (Y) PCM3168A-p */
+			 &be_z		/* (Z) PCM3168A-c */
 		>;
 
-		dpcm {
+		dpcm: dpcm {
 			#address-cells = <1>;
 			#size-cells = <0>;
+			non-supplier;
 
 			ports@0 {
 				#address-cells = <1>;
@@ -62,21 +72,32 @@ ports@0 {
 				 * (D) CPU3
 				 * (E) CPU4
 				 * (F) CPU5
+				 * (G) CPU6
+				 * (H) CPU7
+				 * (I) CPU8
 				 */
 			fe_c:	port@2 { reg = <2>; fe_c_ep: endpoint { remote-endpoint = <&rsnd_c_ep>; }; };
 			fe_d:	port@3 { reg = <3>; fe_d_ep: endpoint { remote-endpoint = <&rsnd_d_ep>; }; };
 			fe_e:	port@4 { reg = <4>; fe_e_ep: endpoint { remote-endpoint = <&rsnd_e_ep>; }; };
 			fe_f:	port@5 { reg = <5>; fe_f_ep: endpoint { remote-endpoint = <&rsnd_f_ep>; }; };
+
+			fe_g:	port@6 { reg = <6>; fe_g_ep: endpoint { remote-endpoint = <&rsnd_g_ep>; }; };
+			fe_h:	port@7 { reg = <7>; fe_h_ep: endpoint { remote-endpoint = <&rsnd_h_ep>; }; };
+			fe_i:	port@8 { reg = <8>; fe_i_ep: endpoint { remote-endpoint = <&rsnd_i_ep>; }; };
 			};
 
 			ports@1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
 				reg = <1>;
 				/*
 				 * BE
 				 *
 				 * (Y) PCM3168A-p
+				 * (Z) PCM3168A-c
 				 */
-			be_y:	port { be_y_ep: endpoint { remote-endpoint = <&pcm3168a_y_ep>; }; };
+			be_y:	port@0 { reg = <0>; be_y_ep: endpoint { remote-endpoint = <&pcm3168a_y_ep>; }; };
+			be_z:	port@1 { reg = <1>; be_z_ep: endpoint { remote-endpoint = <&pcm3168a_z_ep>; }; };
 			};
 		};
 	};
@@ -106,8 +127,9 @@ pcm3168a_y_ep: endpoint {
 		 */
 		port@1 {
 			reg = <1>;
+			convert-channels = <6>; /* to 6ch TDM */
 			pcm3168a_z_ep: endpoint {
-				remote-endpoint = <&rsnd_g_ep>;
+				remote-endpoint = <&be_z_ep>;
 				clocks = <&clksndsel>;
 			};
 		};
@@ -171,13 +193,37 @@ rsnd_f_ep: endpoint {
 		/*
 		 * (G) CPU6
 		 */
-		rsnd_g: port@6 {
+		port@6 {
 			reg = <6>;
 			rsnd_g_ep: endpoint {
-				remote-endpoint = <&pcm3168a_z_ep>;
+				remote-endpoint = <&fe_g_ep>;
+				bitclock-master;
+				frame-master;
+				capture = <&ssiu40 &ssi4>;
+			};
+		};
+		/*
+		 * (H) CPU7
+		 */
+		port@7 {
+			reg = <7>;
+			rsnd_h_ep: endpoint {
+				remote-endpoint = <&fe_h_ep>;
+				bitclock-master;
+				frame-master;
+				capture = <&ssiu41 &ssi4>;
+			};
+		};
+		/*
+		 * (I) CPU8
+		 */
+		port@8 {
+			reg = <8>;
+			rsnd_i_ep: endpoint {
+				remote-endpoint = <&fe_i_ep>;
 				bitclock-master;
 				frame-master;
-				capture = <&ssi4>;
+				capture = <&ssiu42 &ssi4>;
 			};
 		};
 	};
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi
index f01d91aaadf3b..fd75801c329e8 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi
@@ -15,7 +15,9 @@
  *	(D) CPU2 (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
+ *	(G) CPU6 (2ch) <----  (6ch) (Z) PCM3168A-c (TDM-a: 0,1ch)
+ *	(H) CPU7 (2ch) <--/			   (TDM-b: 2,3ch)
+ *	(I) CPU8 (2ch) <--/			   (TDM-c: 4,5ch)
  *
  *	(A) aplay   -D plughw:0,0 xxx.wav (MIX-0)
  *	(B) aplay   -D plughw:0,1 xxx.wav (MIX-1)
@@ -25,7 +27,9 @@
  *	(F) aplay   -D plughw:1,3 xxx.wav (TDM-3)
  *
  *	(A) arecord -D plughw:0,0 xxx.wav
- *	(G) arecord -D plughw:1,4 xxx.wav
+ *	(G) arecord -D plughw:1,4 xxx.wav (TDM-a)
+ *	(H) arecord -D plughw:1,5 xxx.wav (TDM-b)
+ *	(I) arecord -D plughw:1,6 xxx.wav (TDM-c)
  */
 
 / {
@@ -39,7 +43,10 @@ sound_card_kf: expand-sound {
 		simple-audio-card,routing = "pcm3168a Playback", "DAI2 Playback",
 					    "pcm3168a Playback", "DAI3 Playback",
 					    "pcm3168a Playback", "DAI4 Playback",
-					    "pcm3168a Playback", "DAI5 Playback";
+					    "pcm3168a Playback", "DAI5 Playback",
+					    "DAI6 Capture",      "pcm3168a Capture",
+					    "DAI7 Capture",      "pcm3168a Capture",
+					    "DAI8 Capture",      "pcm3168a Capture";
 
 		simple-audio-card,dai-link@0 {
 			#address-cells = <1>;
@@ -88,15 +95,39 @@ codec {
 		};
 
 		simple-audio-card,dai-link@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			reg = <1>;
+			convert-channels = <6>; /* to 6ch TDM */
+
 			/*
 			 * (G) CPU6
 			 */
-			cpu {
+			cpu@0 {
+				reg = <0>;
 				bitclock-master;
 				frame-master;
 				sound-dai = <&rcar_sound 6>;
 			};
+			/*
+			 * (H) CPU7
+			 */
+			cpu@1 {
+				reg = <1>;
+				bitclock-master;
+				frame-master;
+				sound-dai = <&rcar_sound 7>;
+			};
+			/*
+			 * (I) CPU8
+			 */
+			cpu@2 {
+				reg = <2>;
+				bitclock-master;
+				frame-master;
+				sound-dai = <&rcar_sound 8>;
+			};
+
 			/*
 			 * (Z) PCM3168A-c
 			 */
@@ -151,7 +182,19 @@ dai5 {
 		 * (G) CPU6
 		 */
 		dai6 {
-			capture = <&ssi4>;
+			capture = <&ssiu40 &ssi4>;
+		};
+		/*
+		 * (H) CPU7
+		 */
+		dai7 {
+			capture = <&ssiu41 &ssi4>;
+		};
+		/*
+		 * (I) CPU8
+		 */
+		dai8 {
+			capture = <&ssiu42 &ssi4>;
 		};
 	};
 };
