Re: [PATCH v1] ARM: dts: imx6dl-riotboard: properly define rgmii PHY
From: Shawn Guo
Date: Wed Mar 11 2020 - 04:49:24 EST
On Wed, Mar 04, 2020 at 07:54:36AM +0100, Oleksij Rempel wrote:
> The Atheros AR8035 PHY can be autodetected but can't use interrupt
> support provided on this board. Define MDIO bus and the PHY node to make
> it work properly.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx6dl-riotboard.dts | 18 +++++++++++++++++-
> 1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
> index 829654e1835a..17c637b66387 100644
> --- a/arch/arm/boot/dts/imx6dl-riotboard.dts
> +++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
> @@ -89,11 +89,27 @@ &fec {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_enet>;
> phy-mode = "rgmii-id";
> - phy-reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
> + phy-handle = <&rgmii_phy>;
> interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>,
> <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>;
> fsl,err006687-workaround-present;
> status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* Atheros AR8035 PHY */
> + rgmii_phy: ethernet-phy@4 {
> + reg = <4>;
> +
> + interrupts-extended = <&gpio1 28 IRQ_TYPE_LEVEL_LOW>;
> +
Drop these unnecessary newlines.
Shawn
> + reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10000>;
> + reset-deassert-us = <1000>;
> + };
> + };
> };
>
> &gpio1 {
> --
> 2.25.1
>