Hi Geert, On Friday 20 November 2015 10:07:31 Geert Uytterhoeven wrote: > On Fri, Nov 20, 2015 at 9:58 AM, Laurent Pinchart wrote: > > On Friday 20 November 2015 09:22:16 Geert Uytterhoeven wrote: > >> On Thu, Nov 19, 2015 at 10:08 PM, Laurent Pinchart wrote: > >>> Could you briefly explain (and even better in a source code comment) > >>> how you handle baud rate calculation with the chained BRGs ? > >> > >> I'll do that. Note that there's no chaining of BRGs, only muxing (so yes, > >> it needs more clarification ;-). > > > > Really ? I thought the BRG-EC was one possible input for the internal BRG > > ? Does it bypass the internal BRG ? Or do you configure the internal BRG > > to not divide the clock when using the BRG-EC ? > > Yes, it's bypassed. > > Cfr. SCSCR.CKE[1:0]. > '00' means internal BRG (although the docs state P divided by 1/4/16/64), > '10' means SCK or SC_CLK (SCIF_CLK/INT_CLK). That's indeed simpler. Could you capture the behaviour in a source code comment ? -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
