Re: [PATCH 10/14] arm64: renesas: r9a08g045: Add Ethernet nodes

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Hi Claudiu,

On Mon, Dec 4, 2023 at 8:41 AM claudiu beznea <claudiu.beznea@xxxxxxxxx> wrote:
> On 01.12.2023 19:35, Geert Uytterhoeven wrote:
> > On Mon, Nov 20, 2023 at 8:01 AM Claudiu <claudiu.beznea@xxxxxxxxx> wrote:
> >> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> >>
> >> Add Ethernet nodes available on RZ/G3S (R9A08G045).
> >>
> >> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> >
> > Thanks for your patch!
> >
> >> --- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
> >> +++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
> >> @@ -149,6 +149,38 @@ sdhi2: mmc@11c20000 {
> >>                         status = "disabled";
> >>                 };
> >>
> >> +               eth0: ethernet@11c30000 {
> >> +                       compatible = "renesas,r9a08g045-gbeth", "renesas,rzg2l-gbeth";
> >> +                       reg = <0 0x11c30000 0 0x10000>;
> >> +                       interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
> >> +                                    <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
> >> +                                    <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
> >> +                       interrupt-names = "mux", "fil", "arp_ns";
> >> +                       clocks = <&cpg CPG_MOD R9A08G045_ETH0_CLK_AXI>,
> >> +                                <&cpg CPG_MOD R9A08G045_ETH0_CLK_CHI>,
> >> +                                <&cpg CPG_MOD R9A08G045_ETH0_REFCLK>;
> >> +                       clock-names = "axi", "chi", "refclk";
> >> +                       resets = <&cpg R9A08G045_ETH0_RST_HW_N>;
> >> +                       power-domains = <&cpg>;
> >
> > Perhaps add a default phy mode, like on other SoCs?
> >
> >     phy-mode = "rgmii"';
>
> I skipped this (even it was available on the other SoCs) as I consider the
> phy-mode is board specific.

IC.  Still, it's good to have some consistency across boards.

> > Also missing:
> >
> >     #address-cells = <1>;
> >     #size-cells = <0>;
>
> Same for these.

These are required, and always have the same values, so it makes more
sense to have them in the SoC .dtsi file, once.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds





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