[PATCH v1 3/4] arm64: dts: ti: verdin-am62: dev: add sound card

Francesco Dolcini francesco at dolcini.it
Mon Jul 31 07:21:34 PDT 2023


From: Francesco Dolcini <francesco.dolcini at toradex.com>

Add NAU8822 based analog sound card to Development carrier board.

Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
---
 .../arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
index 846caee7dfa4..8f4ca7d3cad5 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
@@ -8,6 +8,42 @@
  * https://www.toradex.com/products/carrier-board/verdin-development-board-kit
  */
 
+/ {
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,bitclock-master = <&codec_dai>;
+		simple-audio-card,format = "i2s";
+		simple-audio-card,frame-master = <&codec_dai>;
+		simple-audio-card,name = "verdin-nau8822";
+		simple-audio-card,routing =
+			"Headphones", "LHP",
+			"Headphones", "RHP",
+			"Speaker", "LSPK",
+			"Speaker", "RSPK",
+			"Line Out", "AUXOUT1",
+			"Line Out", "AUXOUT2",
+			"LAUX", "Line In",
+			"RAUX", "Line In",
+			"LMICP", "Mic In",
+			"RMICP", "Mic In";
+		simple-audio-card,widgets =
+			"Headphones", "Headphones",
+			"Line Out", "Line Out",
+			"Speaker", "Speaker",
+			"Microphone", "Mic In",
+			"Line", "Line In";
+
+		codec_dai: simple-audio-card,codec {
+			clocks = <&audio_refclk1>;
+			sound-dai = <&nau8822_1a>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&mcasp0>;
+		};
+	};
+};
+
 /* Verdin ETHs */
 &cpsw3g {
 	pinctrl-names = "default";
@@ -65,6 +101,15 @@ &main_gpio0 {
 &main_i2c1 {
 	status = "okay";
 
+	/* Audio Codec */
+	nau8822_1a: audio-codec at 1a {
+		compatible = "nuvoton,nau8822";
+		reg = <0x1a>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2s1_mclk>;
+		#sound-dai-cells = <0>;
+	};
+
 	/* IO Expander */
 	gpio_expander_21: gpio at 21 {
 		compatible = "nxp,pcal6416";
-- 
2.25.1




More information about the linux-arm-kernel mailing list