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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1338803/tlv320aic3204-codec-probe-issue
器件型号：TLV320AIC3204大家好！
我正在使用 imx8mp 定制板。 TLV320AIC3204编解码器通过 I2C4和 SAI5接口连接到 imx8mp。
以下是我的 DTS 文件更改:
sound {
compatible = "simple-audio-card";
label = "tlv320aic32x4-audio";
simple-audio-card,name = "tlv320aic32x4";
simple-audio-card,format = "i2s";
status = "okay";
simple-audio-card,frame-master = <&sndcodec>;
simple-audio-card,bitclock-master = <&sndcodec>;
simple-audio-card,widgets =
"Microphone", "Mic Jack",
"Line", "Line In",
"Line", "Line Out",
"Headphone", "Headphone Jack";
simple-audio-card,routing =
"IN1_L", "Line In",
"IN1_R", "Line In",
"IN3_R", "Mic Jack",
"CM_L", "Mic Jack",
"CM_R", "Mic Jack",
"Line Out", "LOL",
"Line Out", "LOR",
"Headphone Jack", "HPL",
"Headphone Jack", "HPR";
simple-audio-card,dai-link {
format = "i2s";
cpu: simple-audio-card,cpu {
sound-dai = <&sai5>;
};
sndcodec: codec {
sound-dai = <&tlv320aic32x4>;
system-clock-frequency = <IMX8MP_CLK_AUDIO_BLK_CTRL_SAI5_MCLK1>; /* this matches sai3 */
};
};
};
&sai5 {
#sound-dai-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai5>;
dmas = <&sdma2 8 24 0>, <&sdma2 9 24 0>;
assigned-clocks = <&clk IMX8MP_CLK_SAI5>;
assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
assigned-clock-rates = <24576000>;
clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI5_IPG>, <&clk IMX8MP_CLK_DUMMY>,
<&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI5_MCLK1>, <&clk IMX8MP_CLK_DUMMY>,
<&clk IMX8MP_CLK_DUMMY>, <&clk IMX8MP_AUDIO_PLL1_OUT>,
<&clk IMX8MP_AUDIO_PLL2_OUT>;
clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k", "pll11k";
fsl,sai-asynchronous;
fsl,dataline = <2 0xf 0xf>;
status = "okay";
};
pinctrl_sai5:sai5grp {
fsl,pins = <
MX8MP_IOMUXC_SAI5_MCLK__AUDIOMIX_SAI5_MCLK 0xd6
MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_SAI5_RX_DATA00 0xd6
MX8MP_IOMUXC_SAI5_RXFS__AUDIOMIX_SAI5_RX_SYNC 0xd6
MX8MP_IOMUXC_SAI5_RXC__AUDIOMIX_SAI5_RX_BCLK 0xd6
MX8MP_IOMUXC_SAI5_RXC__AUDIOMIX_SAI1_TX_DATA01 0xd6
>;
};
&i2c4 {
clock-frequency = <384000>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c4>;
pinctrl-1 = <&pinctrl_i2c4_gpio>;
scl-gpios = <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
tlv320aic32x4: tlv320aic32x4@18 {
#sound-dai-cells=<0>;
compatible = "ti,tlv320aic32x4";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_tlv320aic3x04>;
reg = <0x18>;
clock-names = "mclk";
clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI5_MCLK1>;
iov-supply = <®_vcc_1v8>;
ldoin-supply = <®_vcc_3v3>;
reset-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
};
};
pinctrl_tlv320aic3x04: tlv320aic3x04grp {
fsl,pins = <
/* CODEC RST# */
MX8MP_IOMUXC_ECSPI2_MOSI__GPIO5_IO11 0x180
>;
};通过上述 DTS 更改、我将收到以下错误日志：
[ 7.244493][ T10] asoc-simple-card sound: ASoC: no sink widget found for IN1_L
[ 7.258329][ T10] asoc-simple-card sound: ASoC: Failed to add route Line In -> direct -> IN1_L
[ 7.331184][ T10] asoc-simple-card sound: ASoC: no sink widget found for IN1_R
[ 7.344900][ T10] asoc-simple-card sound: ASoC: Failed to add route Line In -> direct -> IN1_R
[ 7.417926][ T10] asoc-simple-card sound: ASoC: no sink widget found for IN3_R
[ 7.431851][ T10] asoc-simple-card sound: ASoC: Failed to add route Mic Jack -> direct -> IN3_R
[ 7.504847][ T10] asoc-simple-card sound: ASoC: no sink widget found for CM_L
[ 7.512189][ T95] usb 1-1.1: new full-speed USB device number 3 using xhci-hcd
[ 7.525980][ T10] asoc-simple-card sound: ASoC: Failed to add route Mic Jack -> direct -> CM_L
[ 7.598957][ T10] asoc-simple-card sound: ASoC: no sink widget found for CM_R
[ 7.612628][ T10] asoc-simple-card sound: ASoC: Failed to add route Mic Jack -> direct -> CM_R
[ 7.685553][ T10] asoc-simple-card sound: ASoC: no source widget found for LOL
[ 7.699316][ T95] usb 1-1.1: New USB device found, idVendor=0eef, idProduct=0005, bcdDevice= 1.11
[ 7.708388][ T10] asoc-simple-card sound: ASoC: Failed to add route LOL -> direct -> Line Out
[ 7.723485][ T95] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7.731505][ T95] usb 1-1.1: Product: WS170120
[ 7.723485][ T95] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7.731505][ T95] usb 1-1.1: Product: WS170120
[ 7.741713][ T95] usb 1-1.1: Manufacturer: WaveShare
[ 7.750788][ T95] usb 1-1.1: SerialNumber: 220211
[ 7.757046][ T10] asoc-simple-card sound: ASoC: no source widget found for LOR
[ 7.817234][ T10] asoc-simple-card sound: ASoC: Failed to add route LOR -> direct -> Line Out
[ 7.860368][ T95] input: WaveShare WS170120 as /devices/platform/soc@0/32f10108.usb/38200000.usb/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.0/001
[ 7.865821][ T10] asoc-simple-card sound: ASoC: no source widget found for HPL
[ 7.882169][ T95] hid-multitouch 0003:0EEF:0005.0001: input,hiddev96,hidraw0: USB HID v1.11 Device [WaveShare WS170120] on usb-xhci-hcd.1.au0
[ 7.887048][ T10] asoc-simple-card sound: ASoC: Failed to add route HPL -> direct -> Headphone Jack
[ 8.008465][ T10] asoc-simple-card sound: ASoC: no source widget found for HPR
[ 8.022156][ T10] asoc-simple-card sound: ASoC: Failed to add route HPR -> direct -> Headphone Jack
[ 8.093883][ T1] input: gpio-keys as /devices/platform/gpio-keys/input/input3
[ 8.113062][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 8.123891][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 8.131262][ T68] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 8.140014][ T1] ALSA device list:
[ 8.140595][ T68] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
[ 8.144274][ T1] No soundcards found.
[ 8.157674][ T1] Freeing unused kernel memory: 1984K有人能看到我做错了什么或遗漏了什么吗？
此致、
Dhaval Shiroya
