aboutsummaryrefslogtreecommitdiff
path: root/dts/upstream/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi
diff options
context:
space:
mode:
Diffstat (limited to 'dts/upstream/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi')
-rw-r--r--dts/upstream/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi90
1 files changed, 90 insertions, 0 deletions
diff --git a/dts/upstream/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi b/dts/upstream/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi
new file mode 100644
index 00000000000..28d29ecfb39
--- /dev/null
+++ b/dts/upstream/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for ULCB + Kingfisher + Simple Audio Card
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/*
+ * (A) CPU0 <----> ak4613
+ * (B) CPU1 ----> HDMI
+ * (C) CPU2 ----> PCM3168A-p
+ * (D) CPU3 <---- PCM3168A-c
+ *
+ * (A) aplay -D plughw:0,0 xxx.wav
+ * (B) aplay -D plughw:0,1 xxx.wav
+ * (C) aplay -D plughw:1,0 xxx.wav
+ *
+ * (A) arecord -D plughw:0,0 xxx.wav
+ * (D) arecord -D plughw:1,1 xxx.wav
+ */
+
+/ {
+ sound_card_kf: expand-sound {
+ compatible = "simple-audio-card";
+ label = "snd-kf";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /*
+ * (C) CPU2 -> PCM3168A-p
+ */
+ simple-audio-card,dai-link@0 {
+ reg = <0>;
+ cpu {
+ bitclock-master;
+ frame-master;
+ dai-tdm-slot-num = <8>;
+ sound-dai = <&rcar_sound 2>;
+ };
+ codec {
+ mclk-fs = <512>;
+ sound-dai = <&pcm3168a 0>;
+ };
+ };
+ /*
+ * (D) CPU3 <- PCM3168A-c
+ */
+ simple-audio-card,dai-link@1 {
+ reg = <1>;
+ cpu {
+ bitclock-master;
+ frame-master;
+ dai-tdm-slot-num = <6>;
+ sound-dai = <&rcar_sound 3>;
+ };
+ codec {
+ mclk-fs = <512>;
+ sound-dai = <&pcm3168a 1>;
+ };
+ };
+ };
+};
+
+&pcm3168a {
+ /*
+ * (C) CPU2 -> PCM3168A-p
+ * (D) CPU3 <- PCM3168A-c
+ */
+ #sound-dai-cells = <1>;
+};
+
+&rcar_sound {
+ rcar_sound,dai@1 {
+ reg = <1>;
+
+ /*
+ * (C) CPU2 -> PCM3168A-p
+ */
+ dai2 {
+ playback = <&ssi3>;
+ };
+ /*
+ * (D) CPU3 <- PCM3168A-c
+ */
+ dai3 {
+ capture = <&ssi4>;
+ };
+ };
+};