1 files changed, 157 insertions, 0 deletions
diff --git a/dts/src/arm64/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi b/dts/src/arm64/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi
new file mode 100644
index 0000000000..f01d91aaad
--- /dev/null
+++ b/dts/src/arm64/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for ULCB + Kingfisher + Simple Audio Card (MIX + TDM Split)
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/*
+ * Note:
+ * The HDMI output is ignored due to the limited number of subdevices
+ *
+ *	(A) CPU0 (2ch) <----> (2ch) (X)	ak4613	   (MIX-0)
+ *	(B) CPU1 (2ch)  --/			   (MIX-1)
+ *	(C) CPU3 (2ch)  ----> (8ch) (Y)	PCM3168A-p (TDM-0 : 0,1ch)
+ *	(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
+ *
+ *	(A) aplay   -D plughw:0,0 xxx.wav (MIX-0)
+ *	(B) aplay   -D plughw:0,1 xxx.wav (MIX-1)
+ *	(C) aplay   -D plughw:1,0 xxx.wav (TDM-0)
+ *	(D) aplay   -D plughw:1,1 xxx.wav (TDM-1)
+ *	(E) aplay   -D plughw:1,2 xxx.wav (TDM-2)
+ *	(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
+ */
+
+/ {
+	sound_card_kf: expand-sound {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		compatible = "simple-scu-audio-card";
+		label = "snd-kf-split";
+
+		simple-audio-card,routing = "pcm3168a Playback", "DAI2 Playback",
+					    "pcm3168a Playback", "DAI3 Playback",
+					    "pcm3168a Playback", "DAI4 Playback",
+					    "pcm3168a Playback", "DAI5 Playback";
+
+		simple-audio-card,dai-link@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			convert-channels = <8>; /* to 8ch TDM */
+
+			/*
+			 * (C) CPU2
+			 */
+			cpu@0 {
+				reg = <0>;
+				bitclock-master;
+				frame-master;
+				sound-dai = <&rcar_sound 2>;
+			};
+			/*
+			 * (D) CPU3
+			 */
+			cpu@1 {
+				reg = <1>;
+				sound-dai = <&rcar_sound 3>;
+			};
+			/*
+			 * (E) CPU4
+			 */
+			cpu@2 {
+				reg = <2>;
+				sound-dai = <&rcar_sound 4>;
+			};
+			/*
+			 * (F) CPU5
+			 */
+			cpu@3 {
+				reg = <3>;
+				sound-dai = <&rcar_sound 5>;
+			};
+			/*
+			 * (Y) PCM3168A-p
+			 */
+			codec {
+				prefix = "pcm3168a";
+				mclk-fs = <512>;
+				sound-dai = <&pcm3168a 0>;
+			};
+		};
+
+		simple-audio-card,dai-link@1 {
+			reg = <1>;
+			/*
+			 * (G) CPU6
+			 */
+			cpu {
+				bitclock-master;
+				frame-master;
+				sound-dai = <&rcar_sound 6>;
+			};
+			/*
+			 * (Z) PCM3168A-c
+			 */
+			codec {
+				prefix = "pcm3168a";
+				mclk-fs = <512>;
+				sound-dai = <&pcm3168a 1>;
+			};
+		};
+	};
+};
+
+&pcm3168a {
+	/*
+	 * (Y) PCM3168A-p
+	 * (Z) PCM3168A-c
+	 */
+	#sound-dai-cells = <1>;
+};
+
+&rcar_sound {
+	rcar_sound,dai@1 {
+		reg = <1>;
+
+		/* dai0-1 are defined in ulcb.dtsi */
+
+		/*
+		 * (C) CPU2
+		 */
+		dai2 {
+			playback = <&ssiu30 &ssi3>;
+		};
+		/*
+		 * (D) CPU3
+		 */
+		dai3 {
+			playback = <&ssiu31 &ssi3>;
+		};
+		/*
+		 * (E) CPU4
+		 */
+		dai4 {
+			playback = <&ssiu32 &ssi3>;
+		};
+		/*
+		 * (F) CPU5
+		 */
+		dai5 {
+			playback = <&ssiu33 &ssi3>;
+		};
+		/*
+		 * (G) CPU6
+		 */
+		dai6 {
+			capture = <&ssi4>;
+		};
+	};
+};