Re: [PATCH 1/4] ARM: dts: Activate pullups in the console pins on rv1108-elgin-r1【请注意，邮件由u-boot-bounces at lists.denx.de代发】

[Otavio Salvador]

Ping?

On Tue, Mar 17, 2020 at 10:50 PM Kever Yang <kever.yang at rock-chips.com> wrote:
>
> Hi Otavio,
>
>
> On 2020/3/14 上午1:42, Otavio Salvador wrote:
> > In order to make the console pins more robust to noise, activate
> > the pullups and increase its drive strength.
> >
> > Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>
>
> Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
>
> Thanks,
> - Kever
> > ---
> >
> >   arch/arm/dts/rv1108-elgin-r1.dts | 11 +++++++++++
> >   1 file changed, 11 insertions(+)
> >
> > diff --git a/arch/arm/dts/rv1108-elgin-r1.dts b/arch/arm/dts/rv1108-elgin-r1.dts
> > index 32b95940b0..83e8b31838 100644
> > --- a/arch/arm/dts/rv1108-elgin-r1.dts
> > +++ b/arch/arm/dts/rv1108-elgin-r1.dts
> > @@ -40,9 +40,20 @@
> >   };
> >
> >   &uart2 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&uart2m0_xfer_pullup>;
> >       status = "okay";
> >   };
> >
> >   &usb20_otg {
> >       status = "okay";
> >   };
> > +
> > +&pinctrl {
> > +     uart2m0 {
> > +             uart2m0_xfer_pullup: uart2m0-xfer-pullup {
> > +                     rockchip,pins = <2 RK_PD2 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
> > +                                     <2 RK_PD1 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
> > +             };
> > +     };
> > +};
>
>


-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9 9981-7854          Mobile: +1 (347) 903-9750