SK-AM62-LP: [Audio][McASP] Configuration for the tuner

Muhammadh Salih

Part Number: SK-AM62-LP

Tool/software:

Hi,

We are using the TI processor SDK ti-processor-sdk-linux-am62xx-evm-11.00.09.04. We are customizing the BSP Audio configuration for our custom hardware.

From the below post, we have configured our DTS.
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1540988/sk-am62-lp-audio-mcasp-configuring-external-clock-for-mcasp/5951326?tisearch=e2e-sitesearch&keymatch=%2520user%253A620861#

Below are snippets:

The above are the DTS configuration for Tuner and Bluetooth PCM channel. We want to know whether the configuration is proper for the tuner?. SInce our Audio tuner is driving the clock, whether we need to configure it as a master?. If so, how we can configure it?

Please provide your inputs on the same>

Thanks in advance

Regards,
Salih

24 days ago

0 Suren Porwar 24 days ago

TI__Mastermind 28775 points

Hi Muhammadh,

If Audio turner is driving the clock, you are saying MCASP2 is receiving the ACLKX/FSX ?? In that case, MCASP2 is slave. So your pin controls should be PIN_INPUT.

But if you are wanting the MCASP2 to be driving those clocks to Audio tuner (which would be master configuration) pin controls would be PIN_OUTPUT.

Let me know if this helps.

Best Regards,

Suren

0 Muhammadh Salih 24 days ago in reply to Suren Porwar

Intellectual 320 points

OK. Whether data stream with LSB first or MSB first is set it from McASP ?

0 Suren Porwar 20 days ago in reply to Muhammadh Salih

TI__Mastermind 28775 points

Hi Salih,

On Sitara SoCs, the default McASP bit order is LSB first, but this is configurable via software.

MCASP_RFMT/MCASP_XFMT register can be programmed accordingly.

Best Regards,

Suren

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SK-AM62-LP: [Audio][McASP] Configuration for the tuner