Which system do you use? Android, Ubuntu, OOWOW or others?
Ubtuntu
Which version of system do you use? Khadas official images, self built images, or others?
Khadas official images
Please describe your issue below:
I have i2s audio out in the 40 pin connectors, but I need to use TDM 8 channels but I don’t know how to make .
I change the dts file but doesn’t work.
/dts-v1/;
/plugin/;
/ {
fragment@0 {
target = <&aml_sound>;
__overlay__ {
aml-audio-card,dai-link@0 {
format = "i2s";
mclk-fs = <256>;
continuous-clock;
//bitclock-inversion;
//frame-inversion;
/* master mode */
bitclock-master = <&tdmb>;
frame-master = <&tdmb>;
/* slave mode */
//bitclock-master = <&tdmbcodec>;
//frame-master = <&tdmbcodec>;
/* suffix-name, sync with android audio hal used for */
suffix-name = "alsaPORT-i2s-i2s4hdmirx";
cpu {
sound-dai = <&tdmb>;
dai-tdm-slot-tx-mask = <1 1 1 1 1 1 1 1>;
dai-tdm-slot-rx-mask = <1 1 1 1 1 1 0 0>;
dai-tdm-slot-num = <8>;
dai-tdm-slot-width = <32>;
system-clock-frequency = <12288000>;
};
tdmbcodec: codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@1 {
mclk-fs = <128>;
continuous-clock;
/* suffix-name, sync with android audio hal used for */
suffix-name = "alsaPORT-spdif";
cpu {
sound-dai = <&spdifa>;
system-clock-frequency = <6144000>;
};
codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@2 {
format = "dsp_a";
mclk-fs = <64>;
continuous-clock;
//bitclock-inversion;
//frame-inversion;
/* master mode */
bitclock-master = <&tdma>;
frame-master = <&tdma>;
/* slave mode */
/*
* bitclock-master = <&tdmacodec>;
* frame-master = <&tdmacodec>;
*/
/* suffix-name, sync with android audio hal used for */
suffix-name = "alsaPORT-pcm";
tdmacpu: cpu {
sound-dai = <&tdma>;
dai-tdm-slot-tx-mask =
<1>;
dai-tdm-slot-rx-mask =
<1>;
dai-tdm-slot-num = <2>;
dai-tdm-slot-width = <16>;
system-clock-frequency = <512000>;
};
tdmacodec: codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@3 {
format = "i2s";
mclk-fs = <256>;
//continuous-clock;
//bitclock-inversion;
//frame-inversion;
/* master mode */
bitclock-master = <&tdmc>;
frame-master = <&tdmc>;
/* slave mode */
//bitclock-master = <&tdmccodec>;
//frame-master = <&tdmccodec>;
/* suffix-name, sync with android audio hal used for */
suffix-name = "alsaPORT-i2s4parser";
cpu {
sound-dai = <&tdmc>;
dai-tdm-slot-tx-mask = <1 1>;
dai-tdm-slot-rx-mask = <1 1>;
dai-tdm-slot-num = <2>;
dai-tdm-slot-width = <32>;
system-clock-frequency = <12288000>;
};
tdmccodec: codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@4 {
mclk-fs = <64>;
/* suffix-name, sync with android audio hal used for */
suffix-name = "alsaPORT-pdm";
cpu {
sound-dai = <&pdm>;
};
codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@5 {
mclk-fs = <128>;
suffix-name = "alsaPORT-spdifb";
cpu {
sound-dai = <&spdifb>;
system-clock-frequency = <6144000>;
};
codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@6 {
mclk-fs = <256>;
suffix-name = "alsaPORT-tv";
cpu {
sound-dai = <&extn>;
system-clock-frequency = <12288000>;
};
codec {
sound-dai = <&dummy_codec>;
};
};
aml-audio-card,dai-link@7 {
mclk-fs = <256>;
continuous-clock;
suffix-name = "alsaPORT-loopback";
cpu {
sound-dai = <&loopbacka>;
system-clock-frequency = <12288000>;
};
codec {
sound-dai = <&dummy_codec>;
};
};
};
};
fragment@1 {
target = <&tdmb>;
__overlay__ {
pinctrl-names = "tdm_pins";
pinctrl-0 = <&mclk_1_pins
&tdm_b_pins
&tdm_d2_pins
&tdm_d3_pins
&tdmb_clk_pins>;
};
};
};### Post a console log of your issue below:
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