Re: [PATCH v4 5/9] dma: dw: dmamux: Introduce RZN1 DMA router support

Vinod Koul
2022-03-11T10:23:47Z

On 10-03-22, 19:44, Andy Shevchenko wrote:
> On Thu, Mar 10, 2022 at 04:57:51PM +0100, Miquel Raynal wrote:
> > 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.
>
> In all DMA engine related patches the prefix should be "dmaengine:".

Yep!

--
~Vinod