linux-kernel - Re: [PATCH v1 04/10] arm64: dts: colibri-imx8x: Add sound card

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Message-ID: <ZtQrxzTNJTQd7zHK@dragon>
Date: Sun, 1 Sep 2024 16:54:31 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Francesco Dolcini <francesco@...cini.it>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	João Paulo Gonçalves <joao.goncalves@...adex.com>,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Francesco Dolcini <francesco.dolcini@...adex.com>
Subject: Re: [PATCH v1 04/10] arm64: dts: colibri-imx8x: Add sound card

On Mon, Aug 26, 2024 at 11:59:16PM +0200, Francesco Dolcini wrote:
> From: João Paulo Gonçalves <joao.goncalves@...adex.com>
> 
> Add audio support for Colibri-iMX8X sound card.
> 
> Signed-off-by: João Paulo Gonçalves <joao.goncalves@...adex.com>
> Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
> ---
>  .../boot/dts/freescale/imx8x-colibri.dtsi     | 47 ++++++++++++++++++-
>  1 file changed, 46 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
> index aa9c45c290b9..1d22002103c4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
> @@ -38,6 +38,13 @@ reg_module_3v3: regulator-module-3v3 {
>  		regulator-max-microvolt = <3300000>;
>  	};
>  
> +	reg_module_3v3_avdd: regulator-module-3v3-avdd {
> +		compatible = "regulator-fixed";
> +		regulator-max-microvolt = <3300000>;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-name = "+V3.3_AVDD_AUDIO";
> +	};
> +
>  	reg_module_vref_1v8: regulator-module-vref-1v8 {
>  		compatible = "regulator-fixed";
>  		regulator-max-microvolt = <1800000>;
> @@ -55,6 +62,23 @@ reg_usbh_vbus: regulator-usbh-vbus {
>  		regulator-min-microvolt = <5000000>;
>  		regulator-name = "usbh_vbus";
>  	};
> +
> +	sound-card {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,bitclock-master = <&dailink_master>;
> +		simple-audio-card,format = "i2s";
> +		simple-audio-card,frame-master = <&dailink_master>;
> +		simple-audio-card,name = "colibri-imx8x";
> +
> +		dailink_master: simple-audio-card,codec {
> +			clocks = <&mclkout0_lpcg IMX_LPCG_CLK_0>;
> +			sound-dai = <&sgtl5000_a>;
> +		};
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&sai0>;
> +		};
> +	};
>  };
>  
>  /* Colibri Analogue Inputs */
> @@ -109,6 +133,21 @@ touchscreen@2c {
>  		status = "disabled";
>  	};
>  
> +	sgtl5000_a: audio-codec@a {

Please sort I2C device nodes in slave address.

Shawn

> +		compatible = "fsl,sgtl5000";
> +		reg = <0xa>;
> +		#sound-dai-cells = <0>;
> +		assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
> +				  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
> +				  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
> +				  <&mclkout0_lpcg IMX_LPCG_CLK_0>;
> +		assigned-clock-rates = <786432000>, <49152000>, <12000000>, <12000000>;
> +		clocks = <&mclkout0_lpcg IMX_LPCG_CLK_0>;
> +		VDDA-supply = <&reg_module_3v3_avdd>;
> +		VDDD-supply = <&reg_module_vref_1v8>;
> +		VDDIO-supply = <&reg_module_3v3>;
> +	};
> +
>  	gpio_expander_43: gpio@43 {
>  		compatible = "fcs,fxl6408";
>  		reg = <0x43>;
> @@ -373,7 +412,13 @@ &lsio_pwm2 {
>  
>  /* TODO on-module PCIe for Wi-Fi */
>  
> -/* TODO On-module i2s / Audio */
> +/* On-module I2S */
> +&sai0 {
> +	#sound-dai-cells = <0>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_sai0>;
> +	status = "okay";
> +};
>  
>  &usbotg1 {
>  	adp-disable;
> -- 
> 2.39.2
>