[PATCH 4/6] arm64: dts: imx943-evk: add sound-wm8962 support

[Frank Li]

On Thu, May 15, 2025 at 01:18:58PM +0800, Shengjiu Wang wrote:
> Add wm8962 sound card which connects to sai1.

Add WM8962 codec connected to SAI1 interface. Or
Enable WM8962 audio codec via SAI1.

Reviewed-by: Frank Li <Frank.Li at nxp.com>

>
> Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx943-evk.dts | 79 ++++++++++++++++++++
>  1 file changed, 79 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> index ff6e9ac5477f..da08aaa95904 100644
> --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> @@ -36,6 +36,15 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
>  		enable-active-high;
>  	};
>
> +	reg_audio_pwr: regulator-wm8962-pwr {
> +		compatible = "regulator-fixed";
> +		regulator-max-microvolt = <3300000>;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-name = "audio-pwr";
> +		gpio = <&pcal6416_i2c3_u171 12 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
>  	reserved-memory {
>  		ranges;
>  		#address-cells = <2>;
> @@ -50,6 +59,21 @@ linux,cma {
>  		};
>  	};
>
> +	sound-wm8962 {
> +		compatible = "fsl,imx-audio-wm8962";
> +		audio-codec = <&wm8962>;
> +		audio-cpu = <&sai1>;
> +		audio-routing = "Headphone Jack", "HPOUTL",
> +			"Headphone Jack", "HPOUTR",
> +			"Ext Spk", "SPKOUTL",
> +			"Ext Spk", "SPKOUTR",
> +			"AMIC", "MICBIAS",
> +			"IN3R", "AMIC",
> +			"IN1R", "AMIC";
> +		hp-det-gpio = <&pcal6416_i2c3_u48 14 GPIO_ACTIVE_HIGH>;
> +		model = "wm8962-audio";
> +	};
> +
>  	memory at 80000000 {
>  		reg = <0x0 0x80000000 0x0 0x80000000>;
>  		device_type = "memory";
> @@ -103,6 +127,28 @@ i2c at 4 {
>  			reg = <4>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> +
> +			wm8962: codec at 1a {
> +				compatible = "wlf,wm8962";
> +				reg = <0x1a>;
> +				clocks = <&scmi_clk IMX94_CLK_SAI1>;
> +				AVDD-supply = <&reg_audio_pwr>;
> +				CPVDD-supply = <&reg_audio_pwr>;
> +				DBVDD-supply = <&reg_audio_pwr>;
> +				DCVDD-supply = <&reg_audio_pwr>;
> +				gpio-cfg = <
> +					0x0000 /* 0:Default */
> +					0x0000 /* 1:Default */
> +					0x0000 /* 2:FN_DMICCLK */
> +					0x0000 /* 3:Default */
> +					0x0000 /* 4:FN_DMICCDAT */
> +					0x0000 /* 5:Default */
> +				>;
> +				MICVDD-supply = <&reg_audio_pwr>;
> +				PLLVDD-supply = <&reg_audio_pwr>;
> +				SPKVDD1-supply = <&reg_audio_pwr>;
> +				SPKVDD2-supply = <&reg_audio_pwr>;
> +			};
>  		};
>
>  		i2c at 5 {
> @@ -128,6 +174,12 @@ pcal6416_i2c3_u171: gpio at 21 {
>  				reg = <0x21>;
>  				#gpio-cells = <2>;
>  				gpio-controller;
> +
> +				audio-pwren-hog {
> +					gpios = <12 GPIO_ACTIVE_HIGH>;
> +					gpio-hog;
> +					output-high;
> +				};
>  			};
>  		};
>
> @@ -262,6 +314,23 @@ &lpuart1 {
>  	status = "okay";
>  };
>
> +&sai1 {
> +	assigned-clocks = <&scmi_clk IMX94_CLK_AUDIOPLL1_VCO>,
> +			  <&scmi_clk IMX94_CLK_AUDIOPLL2_VCO>,
> +			  <&scmi_clk IMX94_CLK_AUDIOPLL1>,
> +			  <&scmi_clk IMX94_CLK_AUDIOPLL2>,
> +			  <&scmi_clk IMX94_CLK_SAI1>;
> +	assigned-clock-parents = <0>, <0>, <0>, <0>,
> +				 <&scmi_clk IMX94_CLK_AUDIOPLL1>;
> +	assigned-clock-rates = <3932160000>,
> +			       <3612672000>, <393216000>,
> +			       <361267200>, <12288000>;
> +	pinctrl-0 = <&pinctrl_sai1>;
> +	pinctrl-names = "default";
> +	fsl,sai-mclk-direction-output;
> +	status = "okay";
> +};
> +
>  &scmi_iomuxc {
>
>  	pinctrl_ioexpander_int2: ioexpanderint2grp {
> @@ -297,6 +366,16 @@ IMX94_PAD_GPIO_IO28__LPI2C6_SCL		0x40000b9e
>  		>;
>  	};
>
> +	pinctrl_sai1: sai1grp {
> +		fsl,pins = <
> +			IMX94_PAD_SAI1_TXFS__SAI1_TX_SYNC	0x31e
> +			IMX94_PAD_SAI1_TXC__SAI1_TX_BCLK	0x31e
> +			IMX94_PAD_SAI1_TXD0__SAI1_TX_DATA0	0x31e
> +			IMX94_PAD_SAI1_RXD0__SAI1_RX_DATA0	0x31e
> +			IMX94_PAD_I2C2_SDA__SAI1_MCLK		0x31e
> +		>;
> +	};
> +
>  	pinctrl_uart1: uart1grp {
>  		fsl,pins = <
>  			IMX94_PAD_UART1_TXD__LPUART1_TX		0x31e
> --
> 2.34.1
>