summaryrefslogtreecommitdiff
path: root/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2.dtsi
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2.dtsi')
-rw-r--r--arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2.dtsi30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2.dtsi
new file mode 100644
index 000000000000..c30e056538e4
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2.dtsi
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for ULCB + Kingfisher + Audio Graph Card2
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/*
+ * (A) CPU0 <----> ak4613
+ * (B) CPU1 ----> HDMI
+ * (C) CPU2 ----> PCM3168A-p (8ch)
+ * (D) CPU3 <---- PCM3168A-c (6ch)
+ *
+ * (A) aplay -D plughw:0,0 xxx.wav
+ * (B) aplay -D plughw:0,1 xxx.wav
+ * (C) aplay -D plughw:0,2 xxx.wav
+ *
+ * (A) arecord -D plughw:0,0 xxx.wav
+ * (D) arecord -D plughw:0,3 xxx.wav
+ */
+#include "ulcb-kf-audio-graph-card.dtsi"
+
+&sound_card {
+ /delete-property/ dais;
+ links = <&rsnd_port0 /* (A) CPU0 <-> ak4613 */
+ &rsnd_port1 /* (B) CPU1 -> HDMI */
+ &rsnd_port2 /* (C) CPU2 -> PCM3168A-p */
+ &rsnd_port3 /* (D) CPU3 <- PCM3168A-c */
+ >;
+};