Re: [PATCH v3 3/9] ARM: dts: imx6qdl-icore: Add Sound card with codec node

[Shawn Guo <shawnguo@kernel.org>]

On Thu, Apr 06, 2017 at 11:32:09PM +0530, Jagan Teki wrote:
> From: Jagan Teki <jagan@amarulasolutions.com>
> 
> Add support for Sound card and related codec(via i2c1) nodes
> on below Engicam module boards.
> - i.CoreM6 DualLite/Solo Starter kit
> - i.CoreM6 Quad/Dual Starter kit
> - i.CoreM6 Quad/Dual OpenFrame Cap touch 10.1
> - i.CoreM6 Quad/Dual OpenFrame Cap touch 12.3
> 
> Cc: Shawn Guo <shawnguo@kernel.org>
> Cc: Matteo Lisi <matteo.lisi@engicam.com>
> Cc: Michael Trimarchi <michael@amarulasolutions.com>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> ---
> Changes for v3:
> - Replace fsl,imx-audio-sgtl5000 and use simple-audio-card
> Changes for v2:
> - Use proper [label:] node-name[@unit-address] for codec
> 
>  arch/arm/boot/dts/imx6dl-icore.dts        | 11 +++++++
>  arch/arm/boot/dts/imx6q-icore-ofcap10.dts | 11 +++++++
>  arch/arm/boot/dts/imx6q-icore-ofcap12.dts | 11 +++++++
>  arch/arm/boot/dts/imx6q-icore.dts         | 11 +++++++
>  arch/arm/boot/dts/imx6qdl-icore.dtsi      | 48 +++++++++++++++++++++++++++++++

Why cannot you just add sgtl5000 node into dtsi rather than keeping the
same copy for 4 dts files?

Shawn

>  5 files changed, 92 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6dl-icore.dts b/arch/arm/boot/dts/imx6dl-icore.dts
> index 6de83c7..0562ce4 100644
> --- a/arch/arm/boot/dts/imx6dl-icore.dts
> +++ b/arch/arm/boot/dts/imx6dl-icore.dts
> @@ -57,3 +57,14 @@
>  &can2 {
>  	status = "okay";
>  };
> +
> +&i2c3 {
> +	sgtl5000: codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		VDDA-supply = <&reg_2p5v>;
> +		VDDIO-supply = <&reg_3p3v>;
> +		VDDD-supply = <&reg_1p8v>;
> +	};
> +};
> diff --git a/arch/arm/boot/dts/imx6q-icore-ofcap10.dts b/arch/arm/boot/dts/imx6q-icore-ofcap10.dts
> index 49b60ca..f63b87f 100644
> --- a/arch/arm/boot/dts/imx6q-icore-ofcap10.dts
> +++ b/arch/arm/boot/dts/imx6q-icore-ofcap10.dts
> @@ -50,6 +50,17 @@
>  	compatible = "engicam,imx6-icore", "fsl,imx6q";
>  };
>  
> +&i2c3 {
> +	sgtl5000: codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		VDDA-supply = <&reg_2p5v>;
> +		VDDIO-supply = <&reg_3p3v>;
> +		VDDD-supply = <&reg_1p8v>;
> +	};
> +};
> +
>  &ldb {
>  	status = "okay";
>  
> diff --git a/arch/arm/boot/dts/imx6q-icore-ofcap12.dts b/arch/arm/boot/dts/imx6q-icore-ofcap12.dts
> index 9e230f5..68ca828 100644
> --- a/arch/arm/boot/dts/imx6q-icore-ofcap12.dts
> +++ b/arch/arm/boot/dts/imx6q-icore-ofcap12.dts
> @@ -50,6 +50,17 @@
>  	compatible = "engicam,imx6-icore", "fsl,imx6q";
>  };
>  
> +&i2c3 {
> +	sgtl5000: codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		VDDA-supply = <&reg_2p5v>;
> +		VDDIO-supply = <&reg_3p3v>;
> +		VDDD-supply = <&reg_1p8v>;
> +	};
> +};
> +
>  &ldb {
>  	status = "okay";
>  
> diff --git a/arch/arm/boot/dts/imx6q-icore.dts b/arch/arm/boot/dts/imx6q-icore.dts
> index 5613dd9..1ae7294 100644
> --- a/arch/arm/boot/dts/imx6q-icore.dts
> +++ b/arch/arm/boot/dts/imx6q-icore.dts
> @@ -67,6 +67,17 @@
>  	};
>  };
>  
> +&i2c3 {
> +	sgtl5000: codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		VDDA-supply = <&reg_2p5v>;
> +		VDDIO-supply = <&reg_3p3v>;
> +		VDDD-supply = <&reg_1p8v>;
> +	};
> +};
> +
>  &ldb {
>  	status = "okay";
>  
> diff --git a/arch/arm/boot/dts/imx6qdl-icore.dtsi b/arch/arm/boot/dts/imx6qdl-icore.dtsi
> index 56d0c5d..1bd7cdb 100644
> --- a/arch/arm/boot/dts/imx6qdl-icore.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-icore.dtsi
> @@ -55,6 +55,25 @@
>  		default-brightness-level = <7>;
>  	};
>  
> +	reg_1p8v: regulator-1p8v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "1P8V";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +
> +	reg_2p5v: regulator-3p3v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "2P5V";
> +		regulator-min-microvolt = <2500000>;
> +		regulator-max-microvolt = <2500000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
>  	reg_3p3v: regulator-3p3v {
>  		compatible = "regulator-fixed";
>  		regulator-name = "3P3V";
> @@ -87,6 +106,31 @@
>  		#clock-cells = <0>;
>  		clock-frequency = <25000000>;  /* 25MHz for example */
>  	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "imx6qdl-icore-sgtl5000";
> +		simple-audio-card,format = "i2s";
> +		simple-audio-card,bitclock-master = <&dailink_master>;
> +		simple-audio-card,frame-master = <&dailink_master>;
> +		simple-audio-card,widgets =
> +			"Microphone", "Mic Jack",
> +			"Line", "Line In",
> +			"Line", "Line Out",
> +			"Headphone", "Headphone Jack";
> +		simple-audio-card,routing =
> +			"MIC_IN", "Mic Jack",
> +			"Mic Jack", "Mic Bias",
> +			"Headphone Jack", "HP_OUT";
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&ssi1>;
> +		};
> +
> +		dailink_master: simple-audio-card,codec {
> +			sound-dai = <&sgtl5000>;
> +		};
> +	};
>  };
>  
>  &can1 {
> @@ -149,6 +193,10 @@
>  	status = "okay";
>  };
>  
> +&ssi1 {
> +	status = "okay";
> +};
> +
>  &uart4 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_uart4>;
> -- 
> 1.9.1
>