[PATCH] ARM64: dts: update MDIO speed and preamble for zii-ultra device

Chris Healy cphealy at gmail.com
Tue Jul 7 18:12:25 EDT 2020


On Tue, Jul 7, 2020 at 2:59 PM Florian Fainelli <f.fainelli at gmail.com> wrote:
>
> Hi Chris,
>
> On 7/4/2020 6:26 PM, Chris Healy wrote:
> > Update MDIO configuration with zii-ultra device to fully utilize
> > MDIO endpoint capabilities.  Device supports 12.5MHz clock and
> > doesn't require MDIO preamble.
> >
> > Signed-off-by: Chris Healy <cphealy at gmail.com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> > index 6a55165bd76a..98aa67a4c040 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> > @@ -132,6 +132,8 @@
> >          #address-cells = <1>;
> >          #size-cells = <0>;
> >          status = "okay";
> > +        suppress-preamble = <1>;
>
> suppress-preamble is defined as a boolean, so you can remove the "= <1>"
> part entirely.

Good point, I'll make the necessary change.

> --
> Florian



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