[PATCH v3 4/9] ARM64: dts: meson-gxbb-nexbox-a95x: add the ethernet PHY's reset GPIO

Neil Armstrong narmstrong at baylibre.com
Fri Jan 20 08:23:30 PST 2017


On 01/20/2017 04:22 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 at googlemail.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
> index 4cbd626a9e88..c7e3ea008566 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
> @@ -164,7 +164,24 @@
>  	status = "okay";
>  	pinctrl-0 = <&eth_rmii_pins>;
>  	pinctrl-names = "default";
> +	phy-handle = <&eth_phy0>;
>  	phy-mode = "rmii";
> +
> +	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-id0243.0c54",
> +				     "ethernet-phy-ieee802.3-c22";
> +			reg = <0>;
> +		};
> +	};
>  };
>  
>  &ir {
> 

On Nexbox A95X (S905) :
Tested-by: Neil Armstrong <narmstrong at baylibre.com>



More information about the linux-arm-kernel mailing list