IMX8MP TLV320AIC3101 codec issues

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IMX8MP TLV320AIC3101 codec issues

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petertseng
Contributor IV

Hi

I'm currently using i.MX Linux Yocto BSP (mickledore-6.1.22-2.0.0)

And I try to porting TLV320AIC3101 to IMX8MP processor.

In the hardware circuit, MCLK of TLV320AIC3101 is not used.

I can already detect the sound card

 $ cat /proc/asound/cards
 0 [TLV320AIC3101  ]: simple-card - TLV320AIC3101
                      TLV320AIC3101
 1 [audiohdmi      ]: audio-hdmi - audio-hdmi
                      audio-hdmi

When I am trying to play audio

 $ aplay -D hw:0 /usr/share/sounds/alsa/Front_Left.wav

I am getting following error :

[  138.854902] tlv320aic31xx-codec 1-0018: aic31xx_set_dai_sysclk: Unsupported frequency 0
[  138.865847] tlv320aic31xx-codec 1-0018: ASoC: error at snd_soc_dai_set_sysclk on tlv320aic31xx-hifi: -22

 

Here I attached my DTS tree

	sound-tlv320aic310x {
		compatible = "simple-audio-card";
		simple-audio-card,name = "TLV320AIC3101";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&dailink_master>;
		simple-audio-card,frame-master = <&dailink_master>;
		simple-audio-card,mclk-fs = <256>;

		simple-audio-card,widgets =
			"Headphone", "Headphone Jack";

		simple-audio-card,routing =
			"Headphone Jack", "HPL",
			"Headphone Jack", "HPR";

		dailink_master: simple-audio-card,cpu {
			sound-dai = <&sai3>;
		};

		simple-audio-card,codec {
			sound-dai = <&codec>;
			clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_MCLK1>;
		};
	};

&i2c2 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	/* TLV320AIC3101 */
	codec: tlv320aic3101@18 {
		#sound-dai-cells = <0>;
		compatible = "ti,tlv320aic310x";
		reg = <0x18>;
		HPVDD-supply = <&buck4>;
		SPRVDD-supply = <&reg_audio_pwr>;
		SPLVDD-supply = <&reg_audio_pwr>;
		IOVDD-supply = <&buck5>;
		DVDD-supply = <&buck5>;
		AVDD-supply = <&buck4>;
	};
};

&sai3 {
	#sound-dai-cells = <0>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_sai3>;
	assigned-clocks = <&clk IMX8MP_CLK_SAI3>;
	assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
	assigned-clock-rates = <12288000>;
	clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_IPG>, <&clk IMX8MP_CLK_DUMMY>,
			<&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_MCLK1>, <&clk IMX8MP_CLK_DUMMY>,
			<&clk IMX8MP_CLK_DUMMY>;
	clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3";
	//fsl,sai-mclk-direction-output;
	status = "okay";
};


	pinctrl_sai3: sai3grp {
		fsl,pins = <
			MX8MP_IOMUXC_NAND_DATA01__AUDIOMIX_SAI3_TX_SYNC		0xd6	/* AUD_TXFS */
			MX8MP_IOMUXC_NAND_ALE__AUDIOMIX_SAI3_TX_BCLK		0xd6	/* AUD_TXC */
			MX8MP_IOMUXC_NAND_CE0_B__AUDIOMIX_SAI3_TX_DATA00	0xd6	/* AUD_TXD */
		>;
	};

 

Anything I am missing out in dts tree.

Please help me in resolving this error

Thanks in advance,

 

Best Regards
Peter

 

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2 Replies

131 Views
JorgeCas
NXP TechSupport
NXP TechSupport

Hello,

 

The TLV320AIC3100 audio CODEC is not supported by default on our BSP. To use this CODEC to your system, you need to add a third-party driver provided by Texas Instruments and configure your device tree.

 

Unfortunately, there is no a guide to port this specific CODEC to the BSP. The references we have are the i.MX porting guide and EVK device tree (WM8960).

 

Maybe these threads could be helpful:

 

Verdin imx8mm with sound codec TLV320DAC3100

 

TLV320AIC3100: CLOCK Frequency issue

 

Best regards.

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petertseng
Contributor IV

Hi JorgeCas,

Sorry I used the wrong driver before.

Here I attach my changed DTS tree

&i2c2 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	codec: tlv320aic3101@18 {
		#sound-dai-cells = <0>;
		compatible = "ti,tlv320aic3x";
		reg = <0x18>;
		AVDD-supply = <&buck4>;
		IOVDD-supply = <&buck5>;
		DRVDD-supply = <&reg_audio_pwr>;
		DVDD-supply = <&buck5>;
	};
};

 

Then I tried to add TLV320AIC3101 in /sound/soc/fsl/fsl-asoc-card.c

--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -807,6 +807,15 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 		codec_dai_name = "tlv320aic32x4-hifi";
 		priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
 		priv->card_type = CARD_TLV320AIC32X4;
+	} else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic3x")) {
+		codec_dai_name = "tlv320aic3x-hifi";
+		priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
+		priv->dai_link[1].dpcm_capture = 0;
+		priv->dai_link[2].dpcm_capture = 0;
+		priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
+		priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
+		priv->card.dapm_routes = audio_map_tx;
+		priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
 	} else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic31xx")) {
 		codec_dai_name = "tlv320dac31xx-hifi";
 		priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
@@ -1186,6 +1195,7 @@ static const struct of_device_id fsl_asoc_card_dt_ids[] = {
 	{ .compatible = "fsl,imx-audio-cs42888", },
 	{ .compatible = "fsl,imx-audio-cs427x", },
 	{ .compatible = "fsl,imx-audio-tlv320aic32x4", },
+	{ .compatible = "fsl,imx-audio-tlv320aic3x", },
 	{ .compatible = "fsl,imx-audio-tlv320aic31xx", },
 	{ .compatible = "fsl,imx-audio-sgtl5000", },
 	{ .compatible = "fsl,imx-audio-wm8962", },

Device Tree

	sound-tlv320aic310x {
		compatible = "fsl,imx-audio-tlv320aic3x";
		model = "tlv320aic3x-hifi";
		audio-cpu = <&sai3>;
		audio-codec = <&codec>;
		audio-routing =
			"Headphone Jack", "HPLOUT",
			"Headphone Jack", "HPROUT";
		mclk-id = <2>;
	};

 

The sound card can also be detected after turning on.

 $ cat /proc/asound/cards
 0 [audiohdmi      ]: audio-hdmi - audio-hdmi
                      audio-hdmi
 1 [tlv320aic3xhifi]: tlv320aic3x-hif - tlv320aic3x-hifi
                      tlv320aic3x-hifi

 

When I am trying to play audio

 $ aplay -D hw:0 /usr/share/sounds/alsa/Front_Left.wav

I am getting following error :

Playing WAVE '/usr/share/sounds/alsa/Front_Left.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
aplay: set_params:1358: Channels count non available

 

Where did the error occur?
please help me

 

Best Regards
Peter

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