linux-kernel - Re: [PATCH v3] arm64: dts: imx8mn-bsh-smm-s2pro: Add tlv320aic31xx audio card node

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Message-ID: <6c03c8f1-2267-6e1e-71ff-8609f16ca7c5@collabora.com>
Date:   Wed, 9 Mar 2022 09:39:02 -0300
From:   Ariel D'Alessandro <ariel.dalessandro@...labora.com>
To:     Shawn Guo <shawnguo@...nel.org>
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        kernel@...gutronix.de, linux-arm-kernel@...ts.infradead.org,
        linux-imx@....com, linux-kernel@...r.kernel.org,
        broonie@...nel.org, festevam@...il.com,
        krzysztof.kozlowski@...onical.com, lgirdwood@...il.com,
        michael@...rulasolutions.com, robh+dt@...nel.org,
        s.hauer@...gutronix.de
Subject: Re: [PATCH v3] arm64: dts: imx8mn-bsh-smm-s2pro: Add tlv320aic31xx
 audio card node

Hi,

Can we get this integrated into the linux-next tree so it's available
for the next merge window?

Regards,
Ariel

On 2/21/22 01:00, Shawn Guo wrote:
> On Mon, Feb 14, 2022 at 09:03:07AM -0300, Ariel D'Alessandro wrote:
>> BSH SystemMaster (SMM) S2 PRO board comes with an audio card based on
>> tlv320aic31xx family codec.
>>
>> The audio card exposes two playback devices, one of them using the EASRC
>> (Enhanced Asynchronous Sample Rate Converter) module. Note that this
>> would require SDMA and EASRC firmware in order to work.
>>
>> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
>> Signed-off-by: Michael Trimarchi <michael@...rulasolutions.com>
>> ---
>>  .../dts/freescale/imx8mn-bsh-smm-s2pro.dts    | 94 +++++++++++++++++++
>>  1 file changed, 94 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts
>> index c6a8ed6745c1..44e2635d3096 100644
>> --- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts
>> +++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts
>> @@ -7,6 +7,7 @@
>>  /dts-v1/;
>>  
>>  #include "imx8mn-bsh-smm-s2-common.dtsi"
>> +#include <dt-bindings/sound/tlv320aic31xx.h>
> 
> Ping me when this header lands on Linus's tree.
> 
> Shawn
> 
>>  
>>  / {
>>  	model = "BSH SMM S2 PRO";
>> @@ -16,6 +17,69 @@ memory@...00000 {
>>  		device_type = "memory";
>>  		reg = <0x0 0x40000000 0x0 0x20000000>;
>>  	};
>> +
>> +	sound-tlv320aic31xx {
>> +		compatible = "fsl,imx-audio-tlv320aic31xx";
>> +		model = "tlv320aic31xx-hifi";
>> +		audio-cpu = <&sai3>;
>> +		audio-codec = <&codec>;
>> +		audio-asrc = <&easrc>;
>> +		audio-routing =
>> +			"Ext Spk", "SPL",
>> +			"Ext Spk", "SPR";
>> +		mclk-id = <PLL_CLKIN_BCLK>;
>> +	};
>> +
>> +	vdd_input: vdd_input {
>> +		compatible = "regulator-fixed";
>> +		regulator-name = "vdd_input";
>> +		regulator-min-microvolt = <5000000>;
>> +		regulator-max-microvolt = <5000000>;
>> +	};
>> +};
>> +
>> +&easrc {
>> +	fsl,asrc-rate = <48000>;
>> +	fsl,asrc-format = <10>;
>> +	status = "okay";
>> +};
>> +
>> +&i2c2 {
>> +	clock-frequency = <400000>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_i2c2>;
>> +	status = "okay";
>> +
>> +	tlv320dac3101: audio-codec@18 {
>> +		#sound-dai-cells = <0>;
>> +		compatible = "ti,tlv320dac3101";
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&pinctrl_dac_rst>;
>> +		reg = <0x18>;
>> +
>> +		ai31xx-micbias-vg = <MICBIAS_AVDDV>;
>> +
>> +		HPVDD-supply = <&buck4_reg>;
>> +		SPRVDD-supply = <&vdd_input>;
>> +		SPLVDD-supply = <&vdd_input>;
>> +		AVDD-supply = <&buck4_reg>;
>> +		IOVDD-supply = <&buck4_reg>;
>> +		DVDD-supply = <&buck5_reg>;
>> +		reset-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
>> +
>> +		clocks = <&clk IMX8MN_CLK_SAI3_ROOT>;
>> +		clock-names = "mclk";
>> +	};
>> +};
>> +
>> +&sai3 {
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_sai3>;
>> +	assigned-clocks = <&clk IMX8MN_CLK_SAI3>;
>> +	assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
>> +	assigned-clock-rates = <24576000>;
>> +	fsl,sai-mclk-direction-output;
>> +	status = "okay";
>>  };
>>  
>>  /* eMMC */
>> @@ -30,6 +94,36 @@ &usdhc1 {
>>  };
>>  
>>  &iomuxc {
>> +	pinctrl_dac_rst: dacrstgrp {
>> +		fsl,pins = <
>> +			MX8MN_IOMUXC_GPIO1_IO06_GPIO1_IO6		0x19 /* DAC_RST */
>> +		>;
>> +	};
>> +
>> +	pinctrl_espi2: espi2grp {
>> +		fsl,pins = <
>> +			MX8MN_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK		0x082
>> +			MX8MN_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI		0x082
>> +			MX8MN_IOMUXC_ECSPI2_MISO_ECSPI2_MISO		0x082
>> +			MX8MN_IOMUXC_ECSPI2_SS0_ECSPI2_SS0		0x040
>> +		>;
>> +	};
>> +
>> +	pinctrl_i2c2: i2c2grp {
>> +		fsl,pins = <
>> +			MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL			0x400000c3
>> +			MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA			0x400000c3
>> +		>;
>> +	};
>> +
>> +	pinctrl_sai3: sai3grp {
>> +		fsl,pins = <
>> +			MX8MN_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC		0xd6
>> +			MX8MN_IOMUXC_SAI3_TXC_SAI3_TX_BCLK		0xd6
>> +			MX8MN_IOMUXC_SAI3_TXD_SAI3_TX_DATA0		0xd6
>> +		>;
>> +	};
>> +
>>  	pinctrl_usdhc1: usdhc1grp {
>>  		fsl,pins = <
>>  			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK			0x40000090
>> -- 
>> 2.34.1
>>