Re: [PATCH v3 5/9] ARM: dts: sun8i-h3: add sun8i-emac ethernet driver

From: LABBE Corentin
Date: Wed Sep 14 2016 - 04:54:49 EST


On Mon, Sep 12, 2016 at 09:29:33AM +0200, Maxime Ripard wrote:
> On Fri, Sep 09, 2016 at 02:45:13PM +0200, Corentin Labbe wrote:
> > The sun8i-emac is an ethernet MAC hardware that support 10/100/1000
> > speed.
> >
> > This patch enable the sun8i-emac on the Allwinner H3 SoC Device-tree.
> > The SoC H3 have an internal PHY, so optionals syscon and ephy are set.
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> > ---
> > arch/arm/boot/dts/sun8i-h3.dtsi | 19 +++++++++++++++++++
> > 1 file changed, 19 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
> > index a39da6f..a3ac476 100644
> > --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> > @@ -50,6 +50,10 @@
> > / {
> > interrupt-parent = <&gic>;
> >
> > + aliases {
> > + ethernet0 = &emac;
> > + };
> > +
>
> This needs to be done at the board level.
>

ok

> > cpus {
> > #address-cells = <1>;
> > #size-cells = <0>;
> > @@ -446,6 +450,21 @@
> > status = "disabled";
> > };
> >
> > + emac: ethernet@1c30000 {
> > + compatible = "allwinner,sun8i-h3-emac";
> > + syscon = <&syscon>;
> > + reg = <0x01c30000 0x104>;
> > + reg-names = "emac";
>
> You don't need reg-names anymore.
>

ok

> > + interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
> > + resets = <&ccu RST_BUS_EMAC>, <&ccu RST_BUS_EPHY>;
> > + reset-names = "ahb", "ephy";
> > + clocks = <&ccu CLK_BUS_EMAC>, <&ccu CLK_BUS_EPHY>;
> > + clock-names = "ahb", "ephy";
>
> I still believe that having the same node for both the PHY and the MAC
> is wrong.
>

Ok I have moved clock/reset of ephy in its node.

Thanks

Regards

Corentin Labbe