On Sun, May 13, 2012 at 3:46 PM, Marek Vasut <marex at denx.de> wrote: >> From what I read from mx23 datasheet it is. > > From what I saw two days ago in the LAKML it isn't ... compare HW_APBH_CH0_SEMA > for instance ;-) Check drivers/dma/mxs-dma.c in Linux for example.