On Tue, Feb 06, 2024 at 01:55:17PM +0100, Marek Vasut wrote: > Add SAI I2S and audio bindings to Data Modul i.MX8M Plus eDM SBC. > > The SGTL5000 is attached to SAI3, however the SGTL5000 codec MCLK > must be supplied even if the SAI3 is not in use and is controlled > separately by the codec. The MCLK is also used to drive the codec > I2C block, so without MCLK, I2C access to the codec would not be > possible. > > To provide such flexible MCLK control, use PWM4 with period 1 and > duty cycle 50% as 12 MHz clock source, as there is no direct way > to route MX8MP CCM clock to the MCLK pin. Use codec as bitclock > and frame clock master, so that the SGTL5000 PLL can be used to > generate derived clock. > > Signed-off-by: Marek Vasut <marex@xxxxxxx> Applied, thanks!
