From mboxrd@z Thu Jan  1 00:00:00 1970
From: narmstrong@baylibre.com (Neil Armstrong)
Date: Fri, 20 Jan 2017 14:31:00 +0100
Subject: [PATCH v2 2/9] ARM64: dts: meson-gxbb-p201: add the ethernet
 PHY's reset GPIO
In-Reply-To: <20170120132650.9784-3-martin.blumenstingl@googlemail.com>
References: <20161202234739.22929-1-martin.blumenstingl@googlemail.com>
 <20170120132650.9784-1-martin.blumenstingl@googlemail.com>
 <20170120132650.9784-3-martin.blumenstingl@googlemail.com>
Message-ID: <8a0b6c29-38f0-8474-34a2-8e3df4a5a239@baylibre.com>
To: linus-amlogic@lists.infradead.org
List-Id: linus-amlogic.lists.infradead.org

On 01/20/2017 02:26 PM, Martin Blumenstingl wrote:
> This resets the ethernet PHY during boot to get the PHY into a "clean"
> state.
> While here also specify the phy-handle of the ethmac node to make the
> PHY configuration similar to the one we have on GXL devices. This will
> allow us to specify OF-properties for the PHY itself.
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts
> index 39bb037a3e47..5d2cd2ecfdc4 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts
> @@ -50,3 +50,27 @@
>  	compatible = "amlogic,p201", "amlogic,meson-gxbb";
>  	model = "Amlogic Meson GXBB P201 Development Board";
>  };
> +
> +&ethmac {
> +	status = "okay";
> +	pinctrl-0 = <&eth_rgmii_pins>;
> +	pinctrl-names = "default";
> +	phy-handle = <&eth_phy0>;
> +	phy-mode = "rgmii";
> +
> +	snps,reset-gpio = <&gpio GPIOZ_14 0>;
> +	snps,reset-delays-us = <0 10000 1000000>;
> +	snps,reset-active-low;
> +
> +	mdio {
> +		compatible = "snps,dwmac-mdio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		eth_phy0: ethernet-phy at 0 {
> +			compatible = "ethernet-phy-id0022.1620",
> +				     "ethernet-phy-ieee802.3-c22";
> +			reg = <3>;
> +		};
> +	};
> +};
> 

Hi Martin,

It seems you mismatched the p200 and the p201, it's the p201 nobody has and uses a rmii link.

Neil