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

From: Francesco Dolcini
Date: Mon Jul 31 2023 - 10:22:02 EST


From: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>

Add NAU8822 based analog sound card to Development carrier board.

Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
---
.../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@1a {
+ compatible = "nuvoton,nau8822";
+ reg = <0x1a>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2s1_mclk>;
+ #sound-dai-cells = <0>;
+ };
+
/* IO Expander */
gpio_expander_21: gpio@21 {
compatible = "nxp,pcal6416";
--
2.25.1