On Fri, 2020-01-17 at 15:50 +0100, Stefan Roese wrote:
> Added Mauro to Cc
>
> On 17.01.20 08:46, Weijie Gao wrote:
> > This patch adds a new pinmux for UART2, which shares the pins with SPIS.
> >
> > Signed-off-by: Weijie Gao <weijie....@mediatek.com>
> > ---
> > Changes since v1: newly added
> > ---
> > arch/mips/dts/mt7628a.dtsi | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi
> > index 744594c45a..f265cb6ad9 100644
> > --- a/arch/mips/dts/mt7628a.dtsi
> > +++ b/arch/mips/dts/mt7628a.dtsi
> > @@ -93,6 +93,11 @@
> > function = "uart2";
> > };
> >
> > + uart2_pwm_pins: uart2_pwm_pins {
> > + groups = "spis";
> > + function = "pwm_uart2";
> > + };
> > +
>
> Thanks. AFAIK, this will not be used by any of the currently supported
> boards. Is this correct?
Yes.
>
> Mauro is currently trying to port mainline U-Boot to the VoCore2 board
> which also uses UART2. I did not look to close, but might this pin mux
> option here be necessary for this VoCore2 board?
Yes. I added this because of your discussions about the pinmux.
I've tested this pinmux and it worked well. I believe it's necessary for
the VoCore2.
>
> Thanks,
> Stefan
