On Sat, 2018-11-03 at 00:09 -0600, Simon Glass wrote:
> Hi Ryder,
>
> On 2 November 2018 at 09:15, Ryder Lee <ryder....@mediatek.com> wrote:
> > This patch adds an extra operation in ns16550.c to suuport MediaTek
> > SoCs as we have a highspeed register which influences the calcualtion
> > of the divisor.
> >
> > Note that we don't support the baudrate greater than 115200 currently.
> >
> > Signed-off-by: Ryder Lee <ryder....@mediatek.com>
> > Tested-by: Matthias Brugger <matthias....@gmail.com>
> > Reviewed-by: Simon Glass <s...@chromium.org>
> > ---
> > drivers/serial/ns16550.c | 10 ++++++++++
> > 1 file changed, 10 insertions(+)
>
> Actually it seems to me that we should have a compatible string for
> this and deal with this at run-time?
>
> Is that easy to do here?
>
How about this:
uart0: serial@11002000 {
compatible = "ns16550a";
....
mediatek,highspeed = <0>;
....
Ryder
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