Difference between revisions of "DESK-MX6UL-L/Peripherals/Audio"

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m (U0007 moved page AXEL ULite SOM/DESK-MX6UL-L/Pheripherals/Audio to DESK-MX6UL-L/Pheripherals/Audio without leaving a redirect)
(Audio section update for DESK-MX6UL-L release)
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<section begin=History/>
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<section begin="History" />
 
{| style="border-collapse:collapse; "
 
{| style="border-collapse:collapse; "
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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
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! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
 
|-  
 
|-  
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!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Version
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Version
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!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Issue Date
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Issue Date
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!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Notes
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Notes
 
|-
 
|-
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|1.0.0
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |1.0.0
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|Apr 2021
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Apr 2021
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|First DESK release
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |First DESK release
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|-
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |3.0.0
 +
| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Feb 2022
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |3.0.0 DESK release
 
|-
 
|-
 
|}
 
|}
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<section end=History/>
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<section end="History" />
−
<section begin=Body/>
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<section begin="Body" />
  
 
==Peripheral Audio ==
 
==Peripheral Audio ==
  
−
{{ImportantMessage|text=The audio peripheral is not available - ''as default option'' - on [[AXEL_ULite_SOM/AXEL_ULite_Evaluation_Kit | AXEL ULite EVK]]. Please contact [mailto:sales@dave.eu Sales department] for this option}}
+
{{ImportantMessage|text=The audio peripheral is not available - ''as default option'' - on [[AXEL_ULite_SOM/AXEL_ULite_Evaluation_Kit | AXEL ULite EVK]]. Please contact [mailto:sales@dave.eu Sales department] for this option.}}
  
 
=== Device tree configuration ===
 
=== Device tree configuration ===
Line 23: Line 27:
  
 
From <code>imx6ul-axelulite-cb006c.dts</code>:
 
From <code>imx6ul-axelulite-cb006c.dts</code>:
−
 
+
        sound {
−
<pre>
+
                compatible = "fsl,imx-audio-tlv320aic31xx";
−
        sound {
+
                model = "axelulite-audio-tlv320aic3100";
−
                compatible = "fsl,imx-audio-tlv320aic31xx";
+
                cpu-dai = <&sai2>;
−
                model = "axelulite-audio-tlv320aic3100";
+
                audio-codec = <&codec>;
−
                cpu-dai = <&sai2>;
+
                audio-routing =
−
                audio-codec = <&codec>;
+
                        "Speaker", "SPK",
−
                audio-routing =
+
                        "Headphone Jack", "HPL",
−
                        "Speaker", "SPK",
+
                        "Headphone Jack", "HPR",
−
                        "Headphone Jack", "HPL",
+
                        "MIC1LP", "Line In",
−
                        "Headphone Jack", "HPR",
+
                        "MIC1LM", "Line In",
−
                        "MIC1LP", "Line In",
+
                        "MIC1RP", "Mic Jack",
−
                        "MIC1LM", "Line In",
+
                        "Mic Jack", "MICBIAS";
−
                        "MIC1RP", "Mic Jack",
+
                status = "okay";
−
                        "Mic Jack", "MICBIAS";
+
        };
−
                status = "okay";
+
−
        };
+
&i2c4 {
−
 
+
        clock-frequency = <100000>;
−
&i2c4 {
+
        pinctrl-names = "default", "recovery";
−
        clock-frequency = <100000>;
+
        pinctrl-0 = <&pinctrl_i2c4>;
−
        pinctrl-names = "default", "recovery";
+
        pinctrl-1 = <&pinctrl_i2c4_recovery>;
−
        pinctrl-0 = <&pinctrl_i2c4>;
+
        recovery-gpios = <&gpio1 20 0>, <&gpio1 21 0>;
−
        pinctrl-1 = <&pinctrl_i2c4_recovery>;
+
        status = "okay";
−
        recovery-gpios = <&gpio1 20 0>, <&gpio1 21 0>;
+
−
        status = "okay";
+
        codec: tlv320aic31xx@18 {
−
 
+
                compatible = "ti,tlv320aic3100";
−
        codec: tlv320aic31xx@18 {
+
                reg = <0x18>;
−
                compatible = "ti,tlv320aic3100";
+
                clocks = <&clks IMX6UL_CLK_SAI2>,
−
                reg = <0x18>;
+
                        <&clks IMX6UL_CLK_DUMMY>;
−
                clocks = <&clks IMX6UL_CLK_SAI2>,
+
                clock-names = "mclk1", "mclk2";
−
                      <&clks IMX6UL_CLK_DUMMY>;
+
−
                clock-names = "mclk1", "mclk2";
+
gpio-reset = <&gpio1 27 1>;
−
 
+
HPVDD-supply = <&reg_3p3v>;
−
                gpio-reset = <&gpio1 27 1>;
+
SPRVDD-supply = <&reg_3p3v>;
−
                HPVDD-supply = <&reg_3p3v>;
+
SPLVDD-supply = <&reg_3p3v>;
−
                SPRVDD-supply = <&reg_3p3v>;
+
AVDD-supply = <&reg_3p3v>;
−
                SPLVDD-supply = <&reg_3p3v>;
+
IOVDD-supply = <&reg_3p3v>;
−
                AVDD-supply = <&reg_3p3v>;
+
DVDD-supply = <&reg_1p8v>;
−
                IOVDD-supply = <&reg_3p3v>;
+
        };
−
                DVDD-supply = <&reg_1p8v>;
+
...
−
        };
+
...
−
...
+
&iomuxc {
−
...
+
        pinctrl-0 = <&pinctrl_hog_gpios>;
−
&iomuxc {
+
        imx6ul-axelulite {
−
        pinctrl-0 = <&pinctrl_hog_gpios>;
+
−
        imx6ul-axelulite {
+
        tlv320aic3x {
−
 
+
                pinctrl_tlv320aic3x_1: tlv320aic3x_codecgrp-1{
−
        tlv320aic3x {
+
                        fsl,pins = <
−
                pinctrl_tlv320aic3x_1: tlv320aic3x_codecgrp-1{
+
                                MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK        0x17088
−
                        fsl,pins = <
+
                                MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC        0x17088
−
                                MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK        0x17088
+
                                MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA    0x11088
−
                                MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC        0x17088
+
                                MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA        0x11088
−
                                MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA    0x11088
+
                                MX6UL_PAD_JTAG_TMS__SAI2_MCLK          0x17088
−
                                MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA        0x11088
+
                                MX6UL_PAD_UART3_RTS_B__GPIO1_IO27      0x130b0 /* codec reset */
−
                                MX6UL_PAD_JTAG_TMS__SAI2_MCLK          0x17088
+
                        >;
−
                                MX6UL_PAD_UART3_RTS_B__GPIO1_IO27      0x130b0 /* codec reset */
+
                };
−
                        >;
+
        };
−
                };
+
−
        };
+
};
−
 
 
−
};
 
−
</pre>
 
−
 
 
  
 
===Accessing the peripheral===
 
===Accessing the peripheral===

Revision as of 09:54, 28 February 2022

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History
Version Issue Date Notes
1.0.0 Apr 2021 First DESK release
3.0.0 Feb 2022 3.0.0 DESK release


Peripheral Audio[edit | edit source]

200px-Emblem-important.svg.png

The audio peripheral is not available - as default option - on AXEL ULite EVK. Please contact Sales department for this option.

Device tree configuration[edit | edit source]

Here below an example of device tree configuration for the AXEL ULite SOM (using a special version of AXEL ULite EVK mounting option):

From imx6ul-axelulite-cb006c.dts: 

        sound {
                compatible = "fsl,imx-audio-tlv320aic31xx";
                model = "axelulite-audio-tlv320aic3100";
                cpu-dai = <&sai2>;
                audio-codec = <&codec>;
                audio-routing =
                        "Speaker", "SPK",
                        "Headphone Jack", "HPL",
                        "Headphone Jack", "HPR",
                        "MIC1LP", "Line In",
                        "MIC1LM", "Line In",
                        "MIC1RP", "Mic Jack",
                        "Mic Jack", "MICBIAS";
                status = "okay";
        };

&i2c4 {
        clock-frequency = <100000>;
        pinctrl-names = "default", "recovery";
        pinctrl-0 = <&pinctrl_i2c4>;
        pinctrl-1 = <&pinctrl_i2c4_recovery>;
        recovery-gpios = <&gpio1 20 0>, <&gpio1 21 0>;
        status = "okay";

        codec: tlv320aic31xx@18 {
                compatible = "ti,tlv320aic3100";
                reg = <0x18>;
                clocks = <&clks IMX6UL_CLK_SAI2>,
                       <&clks IMX6UL_CLK_DUMMY>;
                clock-names = "mclk1", "mclk2";

		gpio-reset = <&gpio1 27 1>;
		HPVDD-supply = <&reg_3p3v>;
		SPRVDD-supply = <&reg_3p3v>;
		SPLVDD-supply = <&reg_3p3v>;
		AVDD-supply = <&reg_3p3v>;
		IOVDD-supply = <&reg_3p3v>;
		DVDD-supply = <&reg_1p8v>;
        };
...
...
&iomuxc {
        pinctrl-0 = <&pinctrl_hog_gpios>;
        imx6ul-axelulite {

        tlv320aic3x {
                pinctrl_tlv320aic3x_1: tlv320aic3x_codecgrp-1{
                        fsl,pins = <
                                MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK        0x17088
                                MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC        0x17088
                                MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA     0x11088
                                MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA        0x11088
                                MX6UL_PAD_JTAG_TMS__SAI2_MCLK           0x17088
                                MX6UL_PAD_UART3_RTS_B__GPIO1_IO27       0x130b0 /* codec reset */
                        >;
                };
        };

};

Accessing the peripheral[edit | edit source]

Access to the audio interface is provided by ALSA (Advanced Linux Sound Architecture), which consists in a kernel driver and a users space library for application developers. A set of standard tools alsa-utils can be used for simple management of the audio codec.

Linux messages at boot time[edit | edit source]

...
...
[    3.314515] imx-tlv320aic31xx sound: tlv320aic31xx-hifi <-> 202c000.sai mapping ok
...
...
[    3.545396] ALSA device list:
[    3.548401]   #0: axelulite-audio-tlv320aic3100

To list the audio sound cards just use the aplay utility: 

root@desk-mx6ul-axelulite:~# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: axeluliteaudiot [axelulite-audio-tlv320aic3100], device 0: HiFi tlv320aic31xx-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
root@desk-mx6ul-axelulite:~#

Usage alsa-utils[edit | edit source]

root@desk-mx6ul-axelulite:~# aplay audio8k16S.wav 
Playing WAVE 'audio8k16S.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo
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