On Wed, May 15, 2019 at 11:42 AM Daniel Baluta <daniel.baluta@xxxxxxx> wrote: > + simple-audio-card,codec { > + sound-dai = <&wm8524>; > + clocks = <&clk IMX8MM_CLK_SAI3_ROOT>; IMX8MM_CLK_SAI3_ROOT is the internal clock that drives the SAI3 interface, not an external clock that feeds the codec. It seems you should remove this 'clocks' entry.