On Thu, Nov 9, 2017 at 4:29 PM, Corentin Labbe
<clabbe.montjoie@xxxxxxxxx> wrote:
> The dwmac-sun8i hardware is present on the bananapi m3
> It uses an external PHY rtl8211e via RGMII.
>
> This patch create the needed emac and phy nodes.
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
> index c606af3dbfed..45bdd5c17829 100644
> --- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
> +++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
> @@ -52,6 +52,7 @@
> compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
>
> aliases {
> + ethernet0 = &emac;
> serial0 = &uart0;
> };
>
> @@ -88,6 +89,23 @@
> /* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
> };
>
> +&emac {
> + pinctrl-names = "default";
> + pinctrl-0 = <&emac_rgmii_pins>;
> + phy-handle = <&ext_rgmii_phy>;
> + phy-mode = "rgmii";
Schematics say PHY is power by DC1SW from the PMIC.
Not sure why you don't need that. Have you tested your patch?
See https://github.com/wens/linux/commit/c2a12e2470b6d7988a3af043e0f030d8206ad68a
ChenYu
> + allwinner,rx-delay-ps = <700>;
> + allwinner,tx-delay-ps = <700>;
> +
> + status = "okay";
> +};
> +
> +&mdio {
> + ext_rgmii_phy: ethernet-phy@1 {
> + reg = <1>;
> + };
> +};
> +
> &mmc0 {
> pinctrl-names = "default";
> pinctrl-0 = <&mmc0_pins>;
> --
> 2.13.6
>
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