[PATCH v2 2/2] ARM: dts: imx6sl-evk: Add audio support

[Shawn Guo]

On Wed, Jan 29, 2014 at 09:58:15AM -0200, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam at freescale.com>
> 
> imx6sl-evk has a wm8962 codec. Add support for it.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> ---
> Changes since v1:
> - Remove pingrp
> - Use regulator at num mode
> 
>  arch/arm/boot/dts/imx6sl-evk.dts | 81 ++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 81 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
> index 4fc62e8..17db01a 100644
> --- a/arch/arm/boot/dts/imx6sl-evk.dts
> +++ b/arch/arm/boot/dts/imx6sl-evk.dts
> @@ -43,9 +43,47 @@
>  			gpio = <&gpio4 2 0>;
>  			enable-active-high;
>  		};
> +
> +		reg_aud3v: regulator at 2 {
> +			compatible = "regulator-fixed";

reg = <2>;

> +			regulator-name = "wm8962-supply-3v15";
> +			regulator-min-microvolt = <3150000>;
> +			regulator-max-microvolt = <3150000>;
> +			regulator-boot-on;
> +		};
> +
> +		reg_aud4v: regulator at 3 {
> +			compatible = "regulator-fixed";

reg = <3>;

Shawn

> +			regulator-name = "wm8962-supply-4v2";
> +			regulator-min-microvolt = <4325000>;
> +			regulator-max-microvolt = <4325000>;
> +			regulator-boot-on;
> +		};
> +	};
> +
> +	sound {
> +		compatible = "fsl,imx6sl-evk-wm8962", "fsl,imx-audio-wm8962";
> +		model = "wm8962-audio";
> +		ssi-controller = <&ssi2>;
> +		audio-codec = <&codec>;
> +		audio-routing =
> +			"Headphone Jack", "HPOUTL",
> +			"Headphone Jack", "HPOUTR",
> +			"Ext Spk", "SPKOUTL",
> +			"Ext Spk", "SPKOUTR",
> +			"AMIC", "MICBIAS",
> +			"IN3R", "AMIC";
> +		mux-int-port = <2>;
> +		mux-ext-port = <3>;
>  	};
>  };
>  
> +&audmux {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_audmux3>;
> +	status = "okay";
> +};
> +
>  &i2c1 {
>  	clock-frequency = <100000>;
>  	pinctrl-names = "default";
> @@ -152,6 +190,27 @@
>  	};
>  };
>  
> +&i2c2 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "okay";
> +
> +	codec: wm8962 at 1a {
> +		compatible = "wlf,wm8962";
> +		reg = <0x1a>;
> +		clocks = <&clks IMX6SL_CLK_EXTERN_AUDIO>;
> +		DCVDD-supply = <&vgen3_reg>;
> +		DBVDD-supply = <&reg_aud3v>;
> +		AVDD-supply = <&vgen3_reg>;
> +		CPVDD-supply = <&vgen3_reg>;
> +		MICVDD-supply = <&reg_aud3v>;
> +		PLLVDD-supply = <&vgen3_reg>;
> +		SPKVDD1-supply = <&reg_aud4v>;
> +		SPKVDD2-supply = <&reg_aud4v>;
> +	};
> +};
> +
>  &ecspi1 {
>  	fsl,spi-num-chipselects = <1>;
>  	cs-gpios = <&gpio4 11 0>;
> @@ -189,6 +248,16 @@
>  				MX6SL_PAD_REF_CLK_32K__GPIO3_IO22 0x17059
>  				MX6SL_PAD_KEY_COL4__GPIO4_IO00	0x80000000
>  				MX6SL_PAD_KEY_COL5__GPIO4_IO02	0x80000000
> +				MX6SL_PAD_AUD_MCLK__AUDIO_CLK_OUT 0x4130b0
> +			>;
> +		};
> +
> +		pinctrl_audmux3: audmux3grp {
> +			fsl,pins = <
> +				MX6SL_PAD_AUD_RXD__AUD3_RXD	  0x4130b0
> +				MX6SL_PAD_AUD_TXC__AUD3_TXC	  0x4130b0
> +				MX6SL_PAD_AUD_TXD__AUD3_TXD	  0x4110b0
> +				MX6SL_PAD_AUD_TXFS__AUD3_TXFS	  0x4130b0
>  			>;
>  		};
>  
> @@ -199,6 +268,13 @@
>  			>;
>  		};
>  
> +		pinctrl_i2c2: i2c2grp {
> +			fsl,pins = <
> +				MX6SL_PAD_I2C2_SCL__I2C2_SCL	0x4001b8b1
> +				MX6SL_PAD_I2C2_SDA__I2C2_SDA	0x4001b8b1
> +			>;
> +		};
> +
>  		pinctrl_ecspi1: ecspi1grp {
>  			fsl,pins = <
>  				MX6SL_PAD_ECSPI1_MISO__ECSPI1_MISO	0x100b1
> @@ -374,6 +450,11 @@
>  	status = "okay";
>  };
>  
> +&ssi2 {
> +	fsl,mode = "i2s-slave";
> +	status = "okay";
> +};
> +
>  &uart1 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_uart1>;
> -- 
> 1.8.1.2
>