arm64: dts: ti: verdin-am62: dahlia: add sound card

Add WM8904 based analog sound card to Dahlia carrier board.

Reviewed-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230807202159.13095-5-francesco@dolcini.it
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
index 33c8f6f..013357d 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
@@ -8,6 +8,43 @@
  * https://www.toradex.com/products/carrier-board/dahlia-carrier-board-kit
  */
 
+/ {
+       reg_1v8_sw: regulator-1v8-sw {
+               compatible = "regulator-fixed";
+               regulator-max-microvolt = <1800000>;
+               regulator-min-microvolt = <1800000>;
+               regulator-name = "On-carrier +V1.8_SW";
+       };
+
+       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-wm8904";
+               simple-audio-card,routing =
+                       "Headphone Jack", "HPOUTL",
+                       "Headphone Jack", "HPOUTR",
+                       "IN2L", "Line In Jack",
+                       "IN2R", "Line In Jack",
+                       "Headphone Jack", "MICBIAS",
+                       "IN1L", "Headphone Jack";
+               simple-audio-card,widgets =
+                       "Microphone", "Headphone Jack",
+                       "Headphone", "Headphone Jack",
+                       "Line", "Line In Jack";
+
+               codec_dai: simple-audio-card,codec {
+                       clocks = <&audio_refclk1>;
+                       sound-dai = <&wm8904_1a>;
+               };
+
+               simple-audio-card,cpu {
+                       sound-dai = <&mcasp0>;
+               };
+       };
+};
+
 /* Verdin ETHs */
 &cpsw3g {
        status = "okay";
@@ -46,6 +83,22 @@
 &main_i2c1 {
        status = "okay";
 
+       /* Audio Codec */
+       wm8904_1a: audio-codec@1a {
+               compatible = "wlf,wm8904";
+               reg = <0x1a>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_i2s1_mclk>;
+               #sound-dai-cells = <0>;
+               clocks = <&audio_refclk1>;
+               clock-names = "mclk";
+               AVDD-supply = <&reg_1v8_sw>;
+               CPVDD-supply = <&reg_1v8_sw>;
+               DBVDD-supply = <&reg_1v8_sw>;
+               DCVDD-supply = <&reg_1v8_sw>;
+               MICVDD-supply = <&reg_1v8_sw>;
+       };
+
        /* Current measurement into module VCC */
        hwmon@40 {
                compatible = "ti,ina219";