[U-Boot] [PATCH v4 14/18] serial: 16550: allow the driver to support MediaTek serial

[Weijie Gao]

On Fri, 2018-11-16 at 09:30 -0500, Tom Rini wrote:
> On Thu, Nov 15, 2018 at 11:59:34AM -0800, Simon Glass wrote:
> > Hi Ryder,
> > 
> > On 13 November 2018 at 17:32, Ryder Lee <ryder.lee at mediatek.com> wrote:
> > > On Tue, 2018-11-13 at 11:53 -0800, Simon Glass wrote:
> > >> Hi Ryder,
> > >>
> > >> On 6 November 2018 at 01:47, Ryder Lee <ryder.lee at 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.lee at mediatek.com>
> > >> > Tested-by: Matthias Brugger <matthias.bgg at gmail.com>
> > >> > Reviewed-by: Simon Glass <sjg at chromium.org>
> > >> > ---
> > >> > Changes since v4: None
> > >> >
> > >> > @Simon
> > >> > We have tried the compatible string, but it made the ns16550 driver more complicated.
> > >> > To use the compatible string we have to add a new field in ns16550_platdata, and change
> > >> > the flow of ns16550_serial_probe().
> > >> >
> > >> > Moreover, it's totally useless for debug uart. At present using a macro is the easiest way here.
> > >> >
> > >> > What do you think?
> > >> > ---
> > >> >  drivers/serial/ns16550.c | 10 ++++++++++
> > >> >  1 file changed, 10 insertions(+)
> > >>
> > >> Please see my reply to the other thread. We should not have
> > >> arch-specific code in generic drivers.
> > >>
> > >> Sorry for not replying earlier on that.
> > >>
> > >
> > > OK.
> > >
> > > BTW, can you (or Tom) please take the other patches through your tree?
> > 
> > I think this is more Tom's domain, but I'm happy to do this if Tom wants me to.
> 
> I'll be picking up the whole series once everyone seems happy with it,
> thanks!
> 

Hi Tom,

We have uploaded the v5 patch series, which introduce a new serial
driver for MTK's high speed uart.

The v4 patch is obsolete.

Best Regards,

Weijie