Re: [PATCH v2 2/2] arm64: dts: imx8mn-bsh-smm-s2pro: Add tlv320aic31xx audio card node

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Hi Shawn,

Thanks for the review, will address all the below changes in v3.

Regards,
Ariel

On 2/13/22 01:18, Shawn Guo wrote:
> On Thu, Feb 10, 2022 at 10:40:49AM -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@xxxxxxxxxxxxx>
>> Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
>> ---
>>  .../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..3621354b4a92 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>
>>  
>>  / {
>>  	model = "BSH SMM S2 PRO";
>> @@ -16,6 +17,69 @@ memory@40000000 {
>>  		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>;
> 
> Double spaces before '='.
> 
>> +	fsl,asrc-format = <10>;
>> +	status = "okay";
>> +};
>> +
>> +&i2c2 {
>> +	clock-frequency = <400000>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_i2c2>;
>> +	status = "okay";
>> +
>> +	codec: tlv320dac3101@18 {
> 
> 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: dac_rst {
> 
> Name the node more in the same style as other pinctrl nodes.
> 
> Shawn
> 
>> +		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
>>



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