On Wed, Sep 27, 2017 at 12:16:22PM +0200, Maxime Ripard wrote:
> On Wed, Sep 27, 2017 at 07:34:09AM +0000, Corentin Labbe wrote:
> > Since dwmac-sun8i could use either an integrated PHY or an external PHY
> > (which could be at same MDIO address), we need to represent this selection
> > by a MDIO switch.
> > 
> > Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>
> > ---
> >  arch/arm/boot/dts/sunxi-h3-h5.dtsi | 31 +++++++++++++++++++++++++------
> >  1 file changed, 25 insertions(+), 6 deletions(-)
> > 
> > diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi 
> > b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> > index 3b7d953429a6..a8e9b8f378ba 100644
> > --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> > +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> > @@ -422,14 +422,33 @@
> >                     #size-cells = <0>;
> >                     status = "disabled";
> >  
> > -                   mdio: mdio {
> > +                   mdio0: mdio {
> >                             #address-cells = <1>;
> >                             #size-cells = <0>;
> > -                           int_mii_phy: ethernet-phy@1 {
> > -                                   compatible = 
> > "ethernet-phy-ieee802.3-c22";
> > -                                   reg = <1>;
> > -                                   clocks = <&ccu CLK_BUS_EPHY>;
> > -                                   resets = <&ccu RST_BUS_EPHY>;
> > +                           compatible = "snps,dwmac-mdio";
> > +
> > +                           mdio-mux {
> > +                                   compatible = "mdio-mux";
> > +                                   #address-cells = <1>;
> > +                                   #size-cells = <0>;
> 
> Newline
> 
> > +                                   /* Only one MDIO is usable at the time 
> > */
> > +                                   internal_mdio: mdio@1 {
> > +                                           reg = <1>;
> > +                                           #address-cells = <1>;
> > +                                           #size-cells = <0>;
> 
> Newline
> 
> > +                                           int_mii_phy: ethernet-phy@1 {
> > +                                                   compatible = 
> > "ethernet-phy-ieee802.3-c22";
> > +                                                   reg = <1>;
> > +                                                   clocks = <&ccu 
> > CLK_BUS_EPHY>;
> > +                                                   resets = <&ccu 
> > RST_BUS_EPHY>;
> > +                                                   phy-is-integrated;
> > +                                           };
> > +                                   };
> 
> Newline
> 
> > +                                   mdio: mdio@2 {
> 
> This is quite confusing. Why not call the label external_mdio?
> 

I will do it. (at origin I was not changing it for limiting changes on board 
with external PHY, but now all DT are reverted, it will be easy)

Regards

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