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Audio sai2 mclk

Question asked by jiehuai zhu on Aug 13, 2019
Latest reply on Aug 14, 2019 by Wigros Sun

Hello, I am using imx6ul, the kernel is linux4.14.78,
I used the i2s external audio chip, but the audio clock is wrong and I can't generate the clock I want. I checked the imx6ul chip manual and found

The register configuration is 10 for PLL4 as the parent clock. But I read it out is 00.
My device tree configures the PLL4 bit parent clock

I should do it exclusively?