Hi Geert,
On 11 July 2018 13:39, Geert Uytterhoeven wrote:
> On Wed, Jul 11, 2018 at 2:30 PM Phil Edworthy wrote:
> > The RZ/N1 UART is a modified Synopsys DesignWare UART.
> > The modifications only relate to DMA so you could actually use the
> > controller with the Synopsys compatible string if you are not using
> > DMA, but you should not do so.
> >
> > Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
>
> Thanks for your patch!
>
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/serial/renesas,rzn1-uart.txt
> > @@ -0,0 +1,10 @@
> > +Renesas RZ/N1 UART
> > +
> > +This controller is based on the Synopsys DesignWare ABP UART and
> > +inherits all properties defined in snps-dw-apb-uart.txt except for the
> compatible property.
> > +
> > +Required properties:
> > +- compatible : The device specific string followed by the generic RZ/N1
> string.
> > + Therefore it must be one of:
> > + "renesas,uart-r9a06g032", "renesas,uart-rzn1"
>
> "renesas,r9a06g032-uart", "renesas,rzn1-uart"
>
> > + "renesas,uart-r9a06g033", "renesas,uart-rzn1"
>
> "renesas,r9a06g033-uart", "renesas,rzn1-uart"
I followed the renesas convention of renesas,peripheral-device that is used for
most R-Car drivers, but happy to change.
> I assume you plan to describe the DMA-related properties later?
Yes, it will take a while to sort out.
Thanks
Phil
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