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

Jai Luthra j-luthra at ti.com
Wed Aug 2 04:18:06 PDT 2023


On Jul 31, 2023 at 16:21:35 +0200, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini at toradex.com>
> 
> Add WM8904 based analog sound card to Dahlia carrier board.
> 
> Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>

Reviewed-by: Jai Luthra <j-luthra at ti.com>

> ---
>  .../boot/dts/ti/k3-am62-verdin-dahlia.dtsi    | 53 +++++++++++++++++++
>  1 file changed, 53 insertions(+)
> 
> 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 3abd8d1d6761..e59235d6a8e6 100644
> --- 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_gpio0 {
>  &main_i2c1 {
>  	status = "okay";
>  
> +	/* Audio Codec */
> +	wm8904_1a: audio-codec at 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 at 40 {
>  		compatible = "ti,ina219";
> -- 
> 2.25.1
> 
> 

-- 
Thanks,
Jai

GPG Fingerprint: 4DE0 D818 E5D5 75E8 D45A AFC5 43DE 91F9 249A 7145
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