Hi, On Thu, Sep 12, 2019 at 10:43:28PM +0200, Jernej Škrabec wrote: > Dne četrtek, 12. september 2019 ob 22:26:47 CEST je Maxime Ripard napisal(a): > > > + clk_set_rate(dev->mod_clk, 300000000); I just realized I missed this too. If you really need the rate to be fixed, and if the controller cannot operate properly at any other frequency, you probably want to use clk_set_rate_exclusive there. Maxime