https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1595959#M5459 <P>Hi folks,</P><P>I am working on a product that uses an MSC SM2S-IMX8PLUS card and Cirrus Logic WM8281 audio codec chips. The imx8plus SMARC card is connected to the codec chip digital audio interfaces with its I2S interface.&nbsp; I have been trying to locate a raw I2S linux driver so the SMARC can read/write digital audio in and out of the codec chips.</P><P>However, the only drivers I can find are all ALSA SoC based driver.&nbsp; All I want is a simple I2S driver so I can have read/write audio to the codec chips without the baggage of the ALSA framework.</P><P>Can someone point me to a simple non-ASoC I2S linux driver that can handle this?</P><P>Thanks,</P><P>-Andres</P> Wed, 08 Feb 2023 20:20:16 GMT gonzo 2023-02-08T20:20:16Z https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1595959#M5459 <P>Hi folks,</P><P>I am working on a product that uses an MSC SM2S-IMX8PLUS card and Cirrus Logic WM8281 audio codec chips. The imx8plus SMARC card is connected to the codec chip digital audio interfaces with its I2S interface.&nbsp; I have been trying to locate a raw I2S linux driver so the SMARC can read/write digital audio in and out of the codec chips.</P><P>However, the only drivers I can find are all ALSA SoC based driver.&nbsp; All I want is a simple I2S driver so I can have read/write audio to the codec chips without the baggage of the ALSA framework.</P><P>Can someone point me to a simple non-ASoC I2S linux driver that can handle this?</P><P>Thanks,</P><P>-Andres</P> Wed, 08 Feb 2023 20:20:16 GMT https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1595959#M5459 gonzo 2023-02-08T20:20:16Z https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1596114#M5460 <P>maybe you can refer to SDK </P> <P><A href="https://mcuxpresso.nxp.com/api_doc/dev/116/group__i2s.html" target="_blank">https://mcuxpresso.nxp.com/api_doc/dev/116/group__i2s.html</A></P> Thu, 09 Feb 2023 02:29:44 GMT https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1596114#M5460 joanxie 2023-02-09T02:29:44Z https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1596146#M5461 <P>Thanks for your reply. I will check that out.</P><P>-Andres</P> Thu, 09 Feb 2023 03:16:27 GMT https://community.nxp.com/t5/Processor-Expert-Software/Simple-I2S-driver-for-imx8mp/m-p/1596146#M5461 gonzo 2023-02-09T03:16:27Z