linux-kernel - Re: [PATCH 1/1] arm64: dts: imx8qm-mek: add audio-codec cs42888 and related nodes

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Message-ID: <20241029002131.GA10307@francesco-nb>
Date: Tue, 29 Oct 2024 01:21:31 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Frank Li <Frank.Li@....com>
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>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	"open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <imx@...ts.linux.dev>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] arm64: dts: imx8qm-mek: add audio-codec cs42888 and
 related nodes

Hello Frank,

On Mon, Oct 28, 2024 at 06:03:18PM -0400, Frank Li wrote:
> Add audio-codec cs42888, enable esai0 and asrc0.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 82 ++++++++++++++++++++
>  1 file changed, 82 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> index e983633a4bb31..31cf02275ca9e 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> @@ -134,6 +134,13 @@ reg_usdhc2_vmmc: usdhc2-vmmc {
>  		enable-active-high;
>  	};
>  
> +	reg_audio: regulator-audio {
> +		compatible = "regulator-fixed";
> +		regulator-name = "cs42888_supply";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +
>  	reg_fec2_supply: regulator-fec2-nvcc {
>  		compatible = "regulator-fixed";
>  		regulator-name = "fec2_nvcc";
> @@ -223,6 +230,27 @@ simple-audio-card,codec {
>  		};
>  	};
>  
> +	sound-cs42888 {
> +		compatible = "fsl,imx-audio-cs42888";
> +		model = "imx-cs42888";
> +		audio-cpu = <&esai0>;
> +		audio-codec = <&cs42888>;
> +		audio-asrc = <&asrc0>;
> +		audio-routing = "Line Out Jack", "AOUT1L",
> +				"Line Out Jack", "AOUT1R",
> +				"Line Out Jack", "AOUT2L",
> +				"Line Out Jack", "AOUT2R",
> +				"Line Out Jack", "AOUT3L",
> +				"Line Out Jack", "AOUT3R",
> +				"Line Out Jack", "AOUT4L",
> +				"Line Out Jack", "AOUT4R",
> +				"AIN1L", "Line In Jack",
> +				"AIN1R", "Line In Jack",
> +				"AIN2L", "Line In Jack",
> +				"AIN2R", "Line In Jack";
> +		status = "okay";
remove status=okay, not needed

> +	};
> +
>  	sound-wm8960 {
>  		compatible = "fsl,imx-audio-wm8960";
>  		model = "wm8960-audio";
> @@ -301,12 +329,45 @@ pca6416: gpio@20 {
>  		gpio-controller;
>  		#gpio-cells = <2>;
>  	};
> +
> +	cs42888: audio-codec@48 {
> +		compatible = "cirrus,cs42888";
> +		reg = <0x48>;
> +		clocks = <&mclkout0_lpcg IMX_LPCG_CLK_0>;
> +		clock-names = "mclk";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_cs42888_reset>;
> +		VA-supply = <&reg_audio>;
> +		VD-supply = <&reg_audio>;
> +		VLS-supply = <&reg_audio>;
> +		VLC-supply = <&reg_audio>;
> +		reset-gpios = <&lsio_gpio4 25 GPIO_ACTIVE_LOW>;
> +		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>, <12288000>, <12288000>;
> +		status = "okay";

remove status=okay, not needed