Re: [PATCH 7/7] arm64: dts: renesas: rzg2ul-smarc-som: Enable Ethernet on SMARC platform

[Geert Uytterhoeven <geert@linux-m68k.org>]

Hi Biju,

On Tue, Mar 15, 2022 at 4:59 PM Biju Das <biju.das.jz@bp.renesas.com> wrote:
> Enable Ethernet{0,1} interfaces on RZ/G2UL SMARC EVK.
>
> Ethernet0 pins are muxed with CAN0, CAN1, SSI1 and RSPI1 pins and Ethernet0
> device selection is based on the SW1[3] switch position.
>
> Set SW1[3] to position OFF for selecting CAN0, CAN1, SSI1 and RSPI1.
> Set SW1[3] to position ON for selecting Ethernet0.
>
> This patch disables Ethernet0 on RZ/G2UL SMARC platform by default.
>
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> @@ -52,11 +57,101 @@
>  #endif
>  };
>
> +#if (!SW_ET0_EN_N)
> +&eth0 {
> +       pinctrl-0 = <&eth0_pins>;
> +       pinctrl-names = "default";
> +       phy-handle = <&phy0>;
> +       phy-mode = "rgmii-id";
> +       status = "okay";
> +
> +       phy0: ethernet-phy@7 {
> +               compatible = "ethernet-phy-id0022.1640",
> +                            "ethernet-phy-ieee802.3-c22";

To be augmented with interrupt properties when the RZ/G2L IRQC driver
and bindings have been completed.  But that can be done later..

> +               reg = <7>;
> +               rxc-skew-psec = <2400>;
> +               txc-skew-psec = <2400>;
> +               rxdv-skew-psec = <0>;
> +               txdv-skew-psec = <0>;
> +               rxd0-skew-psec = <0>;
> +               rxd1-skew-psec = <0>;
> +               rxd2-skew-psec = <0>;
> +               rxd3-skew-psec = <0>;
> +               txd0-skew-psec = <0>;
> +               txd1-skew-psec = <0>;
> +               txd2-skew-psec = <0>;
> +               txd3-skew-psec = <0>;
> +       };
> +};
> +#endif
> +
> +&eth1 {
> +       pinctrl-0 = <&eth1_pins>;
> +       pinctrl-names = "default";
> +       phy-handle = <&phy1>;
> +       phy-mode = "rgmii-id";
> +       status = "okay";
> +
> +       phy1: ethernet-phy@7 {
> +               compatible = "ethernet-phy-id0022.1640",
> +                            "ethernet-phy-ieee802.3-c22";
> +               reg = <7>;

Likewise.

> +               rxc-skew-psec = <2400>;
> +               txc-skew-psec = <2400>;
> +               rxdv-skew-psec = <0>;
> +               txdv-skew-psec = <0>;
> +               rxd0-skew-psec = <0>;
> +               rxd1-skew-psec = <0>;
> +               rxd2-skew-psec = <0>;
> +               rxd3-skew-psec = <0>;
> +               txd0-skew-psec = <0>;
> +               txd1-skew-psec = <0>;
> +               txd2-skew-psec = <0>;
> +               txd3-skew-psec = <0>;
> +       };
> +};

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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