Hi Geert Thank you for your feedback > > +- auxoutsrc: select AUX_OUT source from these. > > + refclk: Timing Reference Clock > > + clk_in: Frequency Reference Clock > > + pllclkout: PLL Clock Output > > + push-pull: PLL Lock/Unlock Indication > > + open-drain: PLL Lock/Unlock Indication > > AUX_OUT is an output pin? > Hence, isn't this software configuration instead of hardware description? > > Selection of refclk vs. clk_in vs. pllclkout can be implemented as a mux clock > driver with three parents. > > PLL Lock/Unlock Indication and its pinctrl are something different. > How to support that? I think mux clock is nice idea. I will use this idea. Best regards --- Kuninori Morimoto