On Mon, 2018-11-05 at 10:20 +0800, Ryder Lee wrote: > 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 >
Sorry, I didn't get it right. I will add a compatible string in ns16550_serial_ids[] for MTK chips. Ryder _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot