On Tue, Dec 16, 2014 at 01:01:17PM -0700, Paul Walmsley wrote: > So the reference clock and functional clock are (usually) required by the > PLL to operate, and should therefore be required by the PLL clock driver > code in the kernel; but one could claim that they aren't technically parent > clocks of the PLL in a clock tree sense, since the downstream output clock > isn't directly derived from either of those clocks. The reference clock is the parent clock for a PLL, and the output clock is a derivative of the reference clock. The PLL maths show that very clearly. -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html