Quoting Miquel Raynal (2022-03-15 12:12:52) > The Renesas RZN1 DMA IP is based on a DW core, with eg. an additional > dmamux register located in the system control area which can take up to > 32 requests (16 per DMA controller). Each DMA channel can be wired to > two different peripherals. > > We need two additional information from the 'dmas' property: the channel > (bit in the dmamux register) that must be accessed and the value of the > mux for this channel. > > Aside from the driver introduction, as these devices are described as > subnodes of the system controller, we also need the system controller > (clock) driver to populate its children manually. Starting from now on, > one child can be the dmamux. > > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> > --- Acked-by: Stephen Boyd <sboyd@xxxxxxxxxx>
