linux-kernel - Re: [PATCH 07/10] ARM: dts: sun7i: cubietruck: Enable the GMAC

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Date:	Fri, 6 Dec 2013 13:09:06 -0800
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	netdev <netdev@...r.kernel.org>,
	Rob Herring <rob.herring@...xeda.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-sunxi@...glegroups.com,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...com>
Subject: Re: [PATCH 07/10] ARM: dts: sun7i: cubietruck: Enable the GMAC

2013/12/6 Chen-Yu Tsai <wens@...e.org>:
> The CubieTruck uses the GMAC with an RGMII phy.
>
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
> index 8a1009d..af212a2 100644
> --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
> +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
> @@ -33,6 +33,14 @@
>                         pinctrl-0 = <&uart0_pins_a>;
>                         status = "okay";
>                 };
> +
> +               gmac: ethernet@...50000 {
> +                       pinctrl-names = "default";
> +                       pinctrl-0 = <&gmac_pins_rgmii>;
> +                       snps,phy-addr = <1>;

What is this snps,phy-addr property? Why is not a standard device tree
node for an Ethernet PHY node used?

> +                       phy-mode = "rgmii";

Especially since you use the relatively standard "phy-mode" property here?
--
Florian
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