Hi Geert > > This does not match the Hardware User's Manual (Rev. 2.20): > > 1. ZA2 is not a fixed clock, but can be controlled through the ZA2CKCR > > register. Adding support for that requires writing a custom clock > > driver. > > Of course we can consider it a fixed clock initially, and make it > > configurable later, when time permits. > > 2. The parent clock is either PLL0D3 or S0, with a configurable > > post-divider of 2 or 4, yielding 200, 250, 400, or 500[*] MHz. > > Using plain PLL0D24 would mean a post-divider of 8, yielding > > 125 MHz, which is not documented as a supported value. > > > > [*] Using the default would mean: > > > > DEF_FIXED("za2", R8A77995_CLK_ZA2, CLK_PLL0D3, 4, 1); PLL0 * 1/3 = 1GHz. And default ZA2 on D3 is 500MHz thus it will be below but am I misunderstanding ? - DEF_FIXED("za2", R8A77995_CLK_ZA2, CLK_PLL0D3, 4, 1); + DEF_FIXED("za2", R8A77995_CLK_ZA2, CLK_PLL0D3, 2, 1); Thank you for your help !! Best regards --- Kuninori Morimoto